Keene September Weather

Averages and records for weather in Keene, New Hampshire in the month of September.
Typical Keene September Weather
1991–2020
Average daily high 74.1 °F
Average daily low 47.8 °F
Average monthly precipitation 4.3 inches
Average monthly snow none
Daily chance of precipitation 31.7%
Daily chance of snow 0%
Keene September Weather Records
1893–2024
Highest temperature 101 °F September 2, 1953
Lowest temperature 19 °F September 29, 1914
Highest daily low 76 °F September 3, 1898
Lowest daily high 44 °F September 27, 1939
Hottest average high temperature 81.3 °F 1961
Coldest average high temperature 65.1 °F 1893
Most daily precipitation 4.4 inches September 17, 1999
Most monthly precipitation 10.4 inches 1938
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 78.3 51.7 95 35
September 2 78.1 51.5 101 33
September 3 77.8 51.2 97 33
September 4 77.5 51.0 93 37
September 5 77.2 50.7 90 33
September 6 77.0 50.3 90 29
September 7 76.8 50.0 90 33
September 8 76.6 49.8 94 32
September 9 76.3 49.5 93 30
September 10 75.9 49.2 94 30
September 11 75.6 48.8 93 26
September 12 75.2 48.4 93 28
September 13 74.8 48.2 91 32
September 14 74.6 48.0 91 25
September 15 74.3 47.9 90 25
September 16 73.9 47.7 95 24
September 17 73.4 47.4 88 29
September 18 73.0 47.0 92 30
September 19 72.6 46.7 90 29
September 20 72.1 46.3 91 25
September 21 71.6 46.1 92 25
September 22 71.2 45.6 91 23
September 23 70.7 45.1 93 21
September 24 70.4 44.6 89 21
September 25 70.1 44.2 90 23
September 26 69.9 43.9 89 23
September 27 69.5 43.7 90 25
September 28 69.2 43.4 87 24
September 29 68.7 43.0 86 19
September 30 68.3 42.5 83 25
Weather Station Details
Years Station Coordinates
1893–2024 Keene location