Pocatello September Weather

Averages and records for weather in Pocatello, Idaho in the month of September.
Typical Pocatello September Weather
1991–2020
Average daily high 77.2 °F
Average daily low 42.2 °F
Average monthly precipitation 0.9 inches
Average monthly snow 0.0 inches
Pocatello September Weather Records
1939–2023
Highest temperature 102 °F September 3, 2022
Lowest temperature 19 °F September 30, 1985
Highest daily low 68 °F September 2, 1945
Lowest daily high 40 °F September 30, 1971
Hottest average temperature 6.1 °F
above average
1990
Coldest average temperature -7.7 °F
below average
1965
Most daily precipitation 1.5 inches September 12, 1942
Most monthly precipitation 3.8 inches 1940
Most daily snow 1.5 inches September 16, 1965
Most monthly snow 2.0 inches 1965
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 83.1 46.7 96 29
September 2 82.8 46.4 96 31
September 3 82.3 46.2 102 31
September 4 81.8 46.0 97 31
September 5 81.4 45.5 100 32
September 6 81.0 45.3 101 29
September 7 80.5 45.0 100 28
September 8 80.0 44.6 95 29
September 9 79.6 44.2 95 27
September 10 79.2 43.9 94 30
September 11 78.8 43.5 95 31
September 12 78.3 43.2 94 24
September 13 77.9 42.9 94 26
September 14 77.6 42.5 97 26
September 15 77.3 42.3 96 29
September 16 77.0 42.1 94 28
September 17 76.6 41.9 94 26
September 18 76.1 41.6 92 23
September 19 75.5 41.3 90 21
September 20 74.9 41.0 89 19
September 21 74.4 40.7 88 22
September 22 73.8 40.3 92 23
September 23 73.3 40.0 90 24
September 24 72.8 39.7 91 22
September 25 72.4 39.4 93 23
September 26 71.9 39.0 90 27
September 27 71.3 38.7 89 26
September 28 70.8 38.4 90 22
September 29 70.2 38.1 89 19
September 30 69.7 37.8 90 19
Weather Station Details
Years Station Coordinates
1939–2023 Pocatello Regional Airport location