Hardin September Weather

Averages and records for weather in Hardin, Montana in the month of September.
Typical Hardin September Weather
1991–2020
Average daily high 79.4 °F
Average daily low 45.2 °F
Average monthly precipitation 1.3 inches
Average monthly snow none
Daily chance of precipitation 18.1%
Daily chance of snow 0%
Hardin September Weather Records
1948–2024
Highest temperature 105 °F September 7, 2022
Lowest temperature 15 °F September 24, 1984
Highest daily low 69 °F September 19, 2009
Lowest daily high 36 °F September 28, 1985
Hottest average high temperature 85.9 °F 2009
Coldest average high temperature 59.4 °F 1965
Most daily precipitation 3.1 inches September 11, 1991
Most monthly precipitation 5.3 inches 1991
Most daily snow 7.0 inches September 30, 1950
Most monthly snow 8.0 inches 1950
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 86.2 50.3 103 34
September 2 86.0 49.9 103 32
September 3 85.6 49.6 103 32
September 4 85.2 49.4 104 28
September 5 84.6 49.0 103 32
September 6 84.1 48.7 104 33
September 7 83.6 48.3 105 34
September 8 83.1 47.8 99 32
September 9 82.6 47.5 98 27
September 10 82.1 47.2 95 28
September 11 81.6 46.7 97 22
September 12 81.2 46.4 97 23
September 13 80.7 46.0 93 26
September 14 80.1 45.6 102 28
September 15 79.8 45.3 99 28
September 16 79.4 45.0 98 28
September 17 78.9 44.7 94 25
September 18 78.4 44.3 98 24
September 19 77.8 43.9 95 23
September 20 77.0 43.4 97 23
September 21 76.3 43.0 88 28
September 22 75.8 42.6 92 28
September 23 75.4 42.2 94 27
September 24 74.9 41.9 94 15
September 25 74.4 41.5 97 21
September 26 74.0 41.1 95 25
September 27 73.5 40.7 94 22
September 28 72.9 40.3 95 23
September 29 72.4 39.9 95 24
September 30 71.8 39.5 95 22
Weather Station Details
Years Station Coordinates
1948–2024 Hardin location