Average Soil Temperature in Missoula, MT — September 2025
Data from Dillon 18 WSW (126.9 mi away) • 30 of 30 days reported
Monthly Summary by Depth
2" depth
56.3°F
avg
49.5°F – 65.7°F
30 days
4" depth
56.6°F
avg
51.1°F – 64.6°F
30 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Sep 1 | 64°F | 63.1°F |
| Sep 2 | 65.1°F | 64°F |
| Sep 3 | 65.7°F | 64.6°F |
| Sep 4 | 64.6°F | 64.2°F |
| Sep 5 | 62.4°F | 62.8°F |
| Sep 6 | 61.3°F | 61.5°F |
| Sep 7 | 62.6°F | 62.4°F |
| Sep 8 | 59.4°F | 60.1°F |
| Sep 9 | 57.4°F | 58.6°F |
| Sep 10 | 58.1°F | 58.3°F |
| Sep 11 | 55°F | 56.8°F |
| Sep 12 | 54.3°F | 55.2°F |
| Sep 13 | 55.4°F | 55.9°F |
| Sep 14 | 55°F | 55.8°F |
| Sep 15 | 52.7°F | 54.1°F |
| Sep 16 | 52°F | 53.2°F |
| Sep 17 | 52.2°F | 52.9°F |
| Sep 18 | 53.6°F | 53.8°F |
| Sep 19 | 54.7°F | 54.7°F |
| Sep 20 | 55.6°F | 55.4°F |
| Sep 21 | 54.1°F | 54.9°F |
| Sep 22 | 52.7°F | 53.8°F |
| Sep 23 | 49.5°F | 51.1°F |
| Sep 24 | 51.1°F | 51.4°F |
| Sep 25 | 52.3°F | 52.3°F |
| Sep 26 | 52.7°F | 53.1°F |
| Sep 27 | 52.2°F | 52.3°F |
| Sep 28 | 53.4°F | 52.9°F |
| Sep 29 | 54.5°F | 54°F |
| Sep 30 | 55.2°F | 54.9°F |