Preston September Weather

Averages and records for weather in Preston, Idaho in the month of September.
Typical Preston September Weather
1991–2020
Average daily high 77.1 °F
Average daily low 42.9 °F
Average monthly precipitation 1.4 inches
Average monthly snow none
Preston September Weather Records
1964–2022
Highest temperature 98 °F September 7, 2022
Lowest temperature 13 °F September 19, 1965
Highest daily low 62 °F September 8, 2022
Lowest daily high 40 °F September 17, 1965
Hottest average temperature 5.3 °F
above average
1990
Coldest average temperature -8.8 °F
below average
1965
Most daily precipitation 2.2 inches September 28, 1986
Most monthly precipitation 5.0 inches 1986
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 82.8 47.9 95 32
September 2 82.5 47.6 93 36
September 3 82.0 47.3 95 33
September 4 81.6 47.0 96 32
September 5 81.1 46.6 97 35
September 6 80.7 46.2 98 32
September 7 80.3 45.8 98 32
September 8 79.8 45.4 90 29
September 9 79.4 45.0 91 29
September 10 79.0 44.7 91 33
September 11 78.7 44.3 91 33
September 12 78.3 43.9 89 31
September 13 77.9 43.6 93 30
September 14 77.6 43.2 94 29
September 15 77.3 43.0 92 29
September 16 76.9 42.7 90 29
September 17 76.6 42.4 91 29
September 18 76.1 42.1 89 23
September 19 75.6 41.8 87 13
September 20 75.1 41.4 87 23
September 21 74.5 41.1 86 25
September 22 73.9 40.7 86 26
September 23 73.5 40.3 88 26
September 24 73.1 40.0 89 21
September 25 72.7 39.6 90 24
September 26 72.2 39.2 89 24
September 27 71.7 38.9 88 25
September 28 71.2 38.6 85 26
September 29 70.7 38.2 86 22
September 30 70.4 37.9 85 20
Weather Station Details
Years Station Coordinates
1964–2022 Preston location