United States September Weather

United States weather averages in the month of September based on data made available by the NOAA and the University of East Anglia.
Country:
Month:
Countrywide September Averages
High temperature 73.7 °F
Low temperature 49.9 °F
Precipitation 2.7 inches
Cloud cover 42.2 %
United States Cities
September weather averages for various places in United States, from 1991–2020.
City Average (°F) Record (°F) Monthly (inches)
High Low High Low Precipitation Snow
Abilene 87.4 64.6 108 38 2.7 0.0
Akron 74.6 54.3 99 32 3.5 0.0
Albany 73.4 52.6 100 24 3.7 0.0
Albany 87.7 66.7 106 37 4.0 0.0
Albuquerque 82.7 58.3 100 35 1.1 0.0
Allentown 76.5 54.6 101 31 4.8 0.0
Amarillo 83.3 57.1 105 30 1.7 0.0
Ames 76.2 51.6 102 22 3.4 n/a
Anchorage 55.9 42.9 73 19 3.1 0.4
Ann Arbor 75.2 53.7 99 27 3.2 0.0
Antioch 86.7 58.1 110 38 0.1 n/a
Appleton 71.8 51.0 101 25 3.2 0.0
Asheville 77.7 57.3 95 30 4.1 0.0
Athens 84.3 63.4 108 30 3.9 n/a
Atlanta 83.5 65.7 99 36 3.8 0.0
Auburn 84.5 62.9 108 34 3.6 n/a
Augusta 87.0 63.8 102 36 3.6 0.0
Aurora 76.2 54.5 103 24 3.4 0.0
Austin 91.0 67.8 112 41 3.0 0.0
Bakersfield 91.6 64.4 115 30 0.0 0.0
Baltimore 79.2 59.2 101 35 4.4 0.0
Baton Rouge 88.8 68.8 104 43 4.4 n/a
Battle Creek 74.1 50.1 99 25 3.0 0.0
Baytown 88.5 70.7 109 41 5.8 0.0
Beaumont 88.8 69.4 107 48 6.5 0.0
Bellingham 67.6 49.1 89 23 1.9 n/a
Bend 75.2 40.8 100 12 0.2 0.0
Berkeley 75.4 53.9 106 38 0.1 0.0
Billings 74.3 48.6 103 18 1.4 0.3
Birmingham 85.9 64.9 102 37 4.0 0.0
Bismarck 73.4 46.0 105 11 1.7 0.0
Bloomington 78.5 56.3 103 26 3.9 0.0
Bloomington-Normal 78.4 53.3 103 22 3.2 0.0
Boise 80.0 52.1 105 22 0.4 0.0
Boston 73.4 58.4 100 34 3.6 0.0
Boulder 78.7 48.6 100 15 2.1 1.0
Bowling Green 82.4 59.1 105 33 3.5 0.0
Bozeman 72.7 42.6 99 12 1.4 0.3
Bradenton 89.9 73.7 98 58 6.6 0.0
Bridgeport 75.0 59.5 99 32 4.0 0.0
Brockton 75.2 53.1 100 27 4.1 0.0
Brownsville 91.0 73.7 105 51 5.7 n/a
Buffalo 72.5 54.5 98 31 4.1 0.0
Burlington 82.1 60.3 103 29 4.5 n/a
Carson City 80.7 44.3 103 17 0.1 0.0
Casper 75.8 42.6 103 14 1.0 1.5
Castle Rock 77.2 46.1 101 11 1.4 0.5
Cedar Rapids 77.0 53.9 105 22 4.0 0.0
Champaign 78.9 54.6 101 29 3.2 n/a
Chapel Hill 81.7 61.3 104 35 5.2 0.0
Charleston 85.5 68.5 100 42 6.0 0.0
Charlotte 82.6 62.6 104 39 3.7 0.0
Chattanooga 84.3 63.2 104 36 4.2 0.0
Cheyenne 73.3 45.5 97 8 1.5 1.0
Chicago 76.1 58.7 101 33 3.3 0.0
Chula Vista 78.7 64.5 108 43 0.1 0.0
Cincinnati 78.7 57.4 102 31 3.1 0.0
Clarksville 83.5 60.3 112 29 3.5 0.0
Cleveland 74.8 56.1 101 32 3.9 0.0
Coeur d'Alene 73.6 48.2 102 17 0.8 n/a
College Station 91.0 69.8 112 41 3.6 n/a
Colorado Springs 76.4 48.4 98 22 1.3 0.2
Columbia 89.0 66.3 104 43 4.2 0.0
Columbia 79.5 57.3 104 26 3.8 0.0
Columbus 86.9 67.6 106 38 3.3 n/a
Columbus 77.8 57.0 100 28 3.1 0.0
Concord 83.2 61.1 104 37 4.2 0.0
Conroe 89.7 67.5 110 43 3.8 n/a
Conway 85.7 62.3 110 34 3.0 0.0
Corpus Christi 90.8 72.7 109 51 5.4 0.0
Corvallis 77.6 48.3 103 27 1.5 0.0
Dallas 89.7 70.1 110 36 3.1 0.0
Danbury 74.2 52.6 100 23 4.8 n/a
Davenport 77.4 54.2 100 30 3.3 0.0
Davis 90.1 54.7 116 35 0.1 0.0
Dayton 77.2 55.6 102 29 3.3 0.0
Daytona Beach 87.5 72.9 99 52 7.1 n/a
Decatur 79.3 57.1 104 20 3.1 0.0
Denton 88.2 65.5 111 36 2.8 n/a
Denver 79.2 49.5 101 17 1.0 0.8
Des Moines 77.1 55.8 103 23 3.2 0.0
Detroit 74.8 55.5 100 28 3.2 0.0
Dothan 87.7 67.7 102 45 3.6 n/a
Dubuque 73.0 52.0 97 28 3.8 0.0
Duluth 66.2 47.4 97 23 3.5 0.1
Durham 82.2 62.3 104 37 5.1 0.0
Eau Claire 72.2 49.7 101 22 3.6 0.0
El Cajon 88.5 62.5 114 37 0.1 n/a
El Paso 88.5 64.6 106 41 1.5 0.0
Elgin 75.5 52.8 99 25 3.6 0.0
Erie 72.9 56.8 99 33 4.3 0.0
Escondido 87.2 62.7 115 32 0.2 0.0
Eugene 77.5 48.0 103 30 1.4 n/a
Evansville 81.7 58.3 103 33 3.3 0.0
Everett 68.2 51.9 89 30 1.8 n/a
Fairfield 87.2 55.9 114 39 0.1 0.0
Fargo 72.0 48.5 102 19 2.7 0.0
Fayetteville 81.6 57.3 109 31 4.0 0.0
Fayetteville 84.2 64.4 106 40 4.9 n/a
Flagstaff 74.1 42.5 91 22 1.8 0.0
Flint 73.7 50.7 97 26 2.9 0.0
Fort Collins 77.4 48.0 99 18 1.4 0.7
Fort Lauderdale 88.9 75.7 99 61 9.8 0.0
Fort Myers 90.1 74.6 98 63 8.9 n/a
Fort Smith 85.9 63.5 109 33 4.1 0.0
Fort Wayne 76.3 53.2 100 29 3.0 0.0
Franklin 82.9 59.1 107 30 4.0 0.0
Fresno 91.9 62.6 114 37 0.0 0.0
Gainesville 88.1 69.5 99 48 5.0 0.0
Galveston 87.6 76.4 104 55 6.6 0.0
Gastonia 83.1 63.5 101 34 3.6 0.0
Gilroy 85.8 54.1 113 30 0.0 0.0
Grand Forks 70.1 47.5 102 11 2.4 0.0
Grand Island 78.8 53.1 109 23 2.0 0.1
Grand Junction 81.4 52.8 102 28 1.2 0.0
Grand Rapids 73.5 52.6 98 27 3.4 0.0
Great Falls 71.7 43.2 102 10 1.3 0.8
Greeley 82.0 49.0 105 17 1.2 0.4
Green Bay 71.9 49.6 97 24 3.2 0.0
Greensboro 80.2 61.4 101 35 4.6 0.0
Greenville 82.1 64.0 101 32 3.6 n/a
Greenville 83.1 64.2 104 40 7.3 0.0
Guam 87.2 76.3 94 70 15.1 0.0
Gulfport 87.4 70.8 101 44 5.5 n/a
Hamilton 79.8 54.2 103 27 3.1 n/a
Hanford 91.5 58.0 114 35 0.1 0.0
Harlingen 91.7 72.9 107 52 5.2 n/a
Hartford 75.8 53.8 101 27 4.4 0.0
Haverhill 73.9 51.6 98 22 4.1 0.0
Hialeah 89.2 76.1 97 56 10.2 0.0
High Point 82.4 60.7 104 26 4.7 0.0
Honolulu 88.4 74.8 95 60 0.8 n/a
Houston 89.3 72.6 108 45 5.8 n/a
Huntsville 85.2 62.7 108 31 3.5 0.0
Idaho Falls 75.1 40.5 100 18 0.9 n/a
Indianapolis 78.3 57.5 105 24 3.1 0.0
Indio 101.5 75.8 122 46 0.1 n/a
Iowa City 77.1 54.3 101 20 3.3 n/a
Jackson 87.9 65.8 104 35 3.5 0.0
Jackson 84.2 61.0 106 30 4.1 0.0
Jacksonville 87.1 70.0 100 48 7.6 0.0
Janesville 75.1 50.8 101 27 3.7 0.0
Johnson City 80.5 56.7 101 32 2.8 0.0
Joliet 76.5 55.3 101 28 3.2 0.0
Jonesboro 84.2 62.1 110 33 3.1 0.0
Joplin 82.2 59.8 105 30 4.2 n/a
Kalamazoo 75.2 53.1 100 29 3.0 n/a
Kansas City 79.3 57.9 109 31 4.0 0.0
Kennewick 80.8 48.9 102 21 0.3 n/a
Kenosha 71.9 55.9 100 30 3.6 0.0
Kingsport 81.4 58.6 102 32 3.1 0.0
Kissimmee 89.9 72.8 100 55 6.9 0.0
Knoxville 82.3 61.4 103 36 3.5 0.0
Kokomo 77.2 53.1 103 27 3.7 0.0
La Crosse 74.6 53.4 101 23 3.6 0.0
Lafayette 88.7 70.1 103 41 5.0 n/a
Lake Charles 88.8 70.3 105 45 5.2 n/a
Lake Elsinore 94.9 60.5 117 35 0.2 0.0
Lake Havasu City 102.9 75.8 118 56 0.4 0.0
Lakeland 90.3 72.8 98 61 7.2 0.0
Lancaster 77.0 56.1 99 29 4.8 0.0
Lansing 73.4 50.8 97 22 2.8 0.0
Laredo 94.4 72.7 110 45 3.9 0.0
Las Cruces 88.4 61.1 103 30 1.4 0.0
Las Vegas 95.0 71.6 114 39 0.3 0.0
Lawrence 81.3 56.3 110 24 3.6 n/a
Lawrence 75.1 54.3 100 28 3.9 0.0
Lawton 87.2 62.7 111 35 2.7 n/a
Lee's Summit 79.0 58.0 107 29 4.0 n/a
Lexington 79.6 58.2 103 32 3.4 0.0
Lincoln 79.6 53.7 110 26 2.9 0.0
Little Rock 86.0 64.6 106 37 3.0 0.0
Livermore 85.9 55.4 115 35 0.1 n/a
Logan 75.8 50.0 98 24 1.4 0.0
Long Beach 82.9 63.9 111 44 0.1 n/a
Longview 89.2 66.0 109 38 3.1 n/a
Los Angeles 76.3 63.7 110 47 0.1 n/a
Louisville 81.8 61.5 104 29 3.7 0.0
Lowell 75.4 51.4 100 26 3.9 0.0
Lubbock 85.0 59.7 107 33 2.6 0.0
Lynchburg 79.0 57.6 102 35 4.0 0.0
Macon 86.9 64.5 103 35 3.7 n/a
Madera 91.2 57.4 115 34 0.0 n/a
Madison 73.2 51.0 99 25 3.4 0.0
Manchester 74.3 53.1 96 26 3.7 n/a
Manhattan 82.4 56.0 112 26 3.4 0.0
McAllen 93.6 74.3 108 50 4.7 n/a
McKinney 88.5 65.2 112 39 2.9 n/a
Medford 84.6 50.8 110 29 0.5 0.0
Melbourne 88.3 73.9 98 57 8.0 n/a
Memphis 85.8 66.2 103 36 3.0 0.0
Merced 90.6 56.6 116 32 0.0 n/a
Miami 89.2 76.9 97 64 10.2 n/a
Miami Beach 87.3 77.8 96 67 7.7 n/a
Midland 87.4 63.2 109 35 1.7 0.0
Milwaukee 72.6 55.9 98 28 3.2 0.0
Minneapolis 72.9 53.8 104 26 3.0 0.0
Missoula 73.3 42.4 99 15 1.0 0.1
Mobile 87.6 68.8 100 42 5.3 0.0
Modesto 89.1 59.4 112 40 0.1 n/a
Montgomery 88.4 66.5 106 39 3.7 n/a
Muncie 77.5 53.6 102 25 3.2 n/a
Murfreesboro 83.8 58.6 107 33 4.0 0.0
Napa 80.9 50.8 115 35 0.1 n/a
Nashua 74.8 50.7 99 23 4.0 0.0
Nashville 83.5 62.0 107 30 3.8 0.0
New Bedford 74.1 54.4 94 30 3.8 n/a
New Braunfels 90.6 67.7 112 43 3.2 0.0
New Brunswick 78.4 56.5 102 31 4.1 0.0
New Haven 75.0 59.5 99 32 4.0 0.0
New Orleans 88.2 72.8 101 42 5.1 n/a
New York City 76.4 61.8 102 39 4.3 0.0
Newark 78.0 61.0 105 34 3.8 0.0
Newark 76.0 52.6 103 25 3.2 0.0
Newport Beach 73.1 64.2 107 45 0.1 0.0
Norfolk 80.5 66.6 102 42 5.4 0.0
Oakland 74.7 55.6 104 41 0.1 n/a
Ocala 89.5 70.6 101 52 6.7 0.0
Odessa 87.4 63.2 107 36 1.7 0.0
Ogden 78.3 53.3 104 24 1.3 n/a
Oklahoma City 84.6 62.5 108 32 3.7 0.0
Olathe 80.4 58.2 107 29 3.8 n/a
Olympia 72.3 46.1 98 25 2.0 n/a
Omaha 78.5 55.3 103 25 3.0 0.0
Orlando 89.5 73.0 103 50 6.4 0.0
Oshkosh 72.6 53.0 99 25 3.0 0.0
Oxnard 73.2 58.9 104 40 0.1 n/a
Palm Bay 88.7 73.1 98 57 8.6 0.0
Palmdale 92.3 59.5 111 34 0.2 n/a
Pasadena 90.2 63.1 115 41 0.2 0.0
Pasco 80.8 48.9 102 21 0.3 n/a
Pensacola 87.6 71.2 102 43 6.6 n/a
Peoria 77.8 56.1 102 26 3.5 0.0
Petaluma 81.8 51.6 109 31 0.1 0.0
Philadelphia 78.8 61.7 100 29 4.4 0.0
Phoenix 100.5 77.8 118 43 0.6 n/a
Pittsburgh 75.3 55.0 97 31 3.3 0.0
Plymouth 73.3 54.0 100 32 4.2 n/a
Pocatello 77.2 42.2 102 19 0.9 0.0
Pontiac 73.1 53.3 98 29 3.0 n/a
Port Arthur 89.0 70.7 105 45 6.7 n/a
Portland 70.8 51.4 96 23 3.8 0.0
Portland 76.2 54.1 105 34 1.5 0.0
Providence 74.8 56.5 100 32 4.2 0.0
Provo 82.9 51.8 102 21 1.2 0.0
Pueblo 83.2 48.8 103 21 0.6 0.2
Racine 70.5 56.8 102 28 3.3 0.0
Raleigh 82.2 62.3 104 37 5.1 0.0
Rapid City 76.6 46.7 104 18 1.2 0.1
Reading 77.0 56.4 102 30 4.7 0.0
Redding 91.6 58.3 116 39 0.4 n/a
Reno 83.3 49.2 106 20 0.2 0.0
Renton 71.9 53.2 96 26 1.5 n/a
Richland 80.4 48.2 106 21 0.3 n/a
Richmond 81.5 61.6 103 35 4.6 0.0
Riverside 92.2 61.6 117 37 0.1 n/a
Roanoke 79.2 59.0 103 32 4.1 0.0
Rochester 71.7 50.5 100 22 3.6 0.0
Rochester 73.0 53.0 99 28 3.2 0.0
Rock Hill 83.7 63.5 106 37 3.4 0.0
Rockford 75.4 53.0 103 24 3.6 0.0
Sacramento 88.3 56.5 114 42 0.1 n/a
Saint Paul 72.9 53.8 104 26 3.0 0.0
Salem 77.0 50.0 104 26 1.5 n/a
Salinas 74.4 54.5 109 36 0.1 n/a
Salt Lake City 80.3 54.6 107 27 1.1 0.0
San Angelo 88.9 64.2 107 35 2.5 0.0
San Antonio 90.9 70.0 111 41 3.9 0.0
San Diego 76.8 65.9 111 50 0.1 n/a
San Francisco 70.8 55.9 106 48 0.1 n/a
San Jacinto 93.4 60.1 116 35 0.3 0.0
San Jose 81.1 57.5 109 35 0.1 n/a
San Juan 89.3 77.5 97 69 6.5 0.0
San Marcos 90.7 68.3 111 39 4.1 0.0
San Rafael 79.5 54.1 110 32 0.1 0.0
Sanford 89.7 72.9 98 52 6.2 0.0
Santa Ana 84.9 63.4 111 40 0.1 0.0
Santa Barbara 75.4 55.9 108 42 0.1 n/a
Santa Cruz 75.5 53.2 110 30 0.1 0.0
Santa Fe 78.2 46.9 94 21 1.4 0.0
Santa Maria 75.4 53.3 106 32 0.1 n/a
Santa Monica 74.2 62.6 103 40 0.1 n/a
Santa Rosa 82.9 50.4 114 30 0.1 n/a
Sarasota 89.9 73.7 98 58 6.6 0.0
Savannah 86.6 68.8 99 43 4.3 0.0
Seattle 70.7 53.1 98 35 1.6 0.0
Shreveport 89.2 67.3 109 42 3.5 0.0
Sioux City 77.2 51.4 103 25 2.8 0.0
Sioux Falls 74.6 51.0 104 22 2.7 0.0
South Bend 75.0 54.0 99 29 3.5 0.0
Southhampton 73.8 56.3 94 35 4.6 0.0
Spokane 73.7 47.8 98 22 0.6 0.1
Springfield 79.8 55.4 102 32 2.9 0.0
Springfield 80.6 58.7 104 30 4.3 0.0
Springfield 77.3 52.4 102 29 3.4 n/a
Springfield 75.7 51.9 102 27 4.7 n/a
St. Charles 80.1 57.3 106 31 3.2 0.0
St. Cloud 71.5 48.0 106 18 3.0 0.0
St. George 93.4 62.8 112 25 0.5 0.0
St. Joseph 80.5 55.5 107 30 3.1 n/a
St. Louis 81.0 61.3 104 32 3.0 0.0
St. Petersburg 88.3 76.9 100 61 6.8 0.0
Stillwater 85.6 60.6 111 31 3.4 0.0
Stockton 89.5 57.1 115 41 0.1 n/a
Suffolk 80.9 63.5 101 39 5.8 0.0
Syracuse 73.6 52.7 98 25 3.4 0.0
Tallahassee 89.2 69.3 102 40 4.9 n/a
Tampa 89.6 74.8 96 54 6.1 0.0
Taunton 75.2 51.8 98 23 4.3 n/a
Terre Haute 79.8 54.8 104 31 2.6 n/a
Toledo 76.1 53.6 101 26 2.9 0.0
Topeka 81.0 57.3 110 29 3.5 0.0
Trenton 77.4 57.4 101 34 4.1 0.0
Tucson 95.5 69.8 111 43 1.3 0.0
Tulsa 84.6 62.9 109 35 3.9 0.0
Tuscaloosa 87.9 65.0 107 32 3.5 n/a
Twin Falls 77.1 47.5 102 14 0.5 n/a
Tyler 88.5 67.1 107 39 3.2 0.0
Vacaville 90.2 56.1 115 32 0.1 n/a
Valdosta 88.6 68.2 104 42 4.2 n/a
Vancouver 74.9 48.2 103 28 1.6 0.0
Victoria 90.9 70.3 111 46 4.5 n/a
Victorville 92.8 57.2 113 30 0.2 0.0
Virginia Beach 80.5 66.6 102 42 5.4 0.0
Visalia 89.0 60.9 110 32 0.1 0.0
Waco 90.8 67.4 111 39 2.9 0.0
Washington D.C. 80.3 63.7 104 36 3.9 0.0
Waterloo 75.7 51.1 102 19 3.1 0.0
Watsonville 75.0 52.6 110 32 0.1 n/a
West Lafayette 78.4 54.9 100 29 2.7 n/a
West Palm Beach 88.6 75.7 96 66 8.0 n/a
Wichita 83.3 60.1 108 31 3.1 0.0
Wichita Falls 88.4 64.6 112 38 3.0 0.0
Wilmington 83.8 66.6 100 42 8.7 0.0
Wilmington 78.3 59.2 100 32 4.4 0.0
Winston-Salem 80.2 61.4 102 35 4.6 0.0
Worcester 70.5 53.9 99 27 4.2 0.0
Yakima 79.2 44.9 100 18 0.2 0.0
Youngstown 73.9 52.1 99 27 3.8 0.0
Yuma 102.0 77.3 123 50 0.6 0.0
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