Average Soil Temperature in Missoula, MT for September 2026
Data from Dillon 18 WSW (126.9 mi away) • 25 of 30 days reported
Monthly Summary by Depth
2" depth
56.3°F
avg
53.2°F – 62.6°F
25 days
4" depth
56.7°F
avg
53.6°F – 62.8°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Sep 1 | 62.6°F | 62.8°F |
| Sep 2 | 58.3°F | 59.7°F |
| Sep 3 | 56.1°F | 57.6°F |
| Sep 4 | 57.9°F | 58.1°F |
| Sep 5 | 59.2°F | 59°F |
| Sep 6 | 60.3°F | 59.7°F |
| Sep 7 | 57°F | 58.5°F |
| Sep 8 | 53.8°F | 55.2°F |
| Sep 9 | 55°F | 55.6°F |
| Sep 10 | 56.5°F | 56.7°F |
| Sep 11 | 58.5°F | 57.9°F |
| Sep 12 | 57.6°F | 57.7°F |
| Sep 13 | 58.5°F | 58.1°F |
| Sep 14 | 54.9°F | 56.3°F |
| Sep 15 | 53.4°F | 54.1°F |
| Sep 16 | 55.6°F | 55.8°F |
| Sep 17 | 55.8°F | 56.1°F |
| Sep 18 | 54.9°F | 55.4°F |
| Sep 19 | 55°F | 55.2°F |
| Sep 20 | 55°F | 55°F |
| Sep 21 | 53.4°F | 53.8°F |
| Sep 22 | 53.2°F | 53.6°F |
| Sep 23 | 55.6°F | 55°F |
| Sep 24 | 55.4°F | 55°F |
| Sep 25 | 55°F | 55°F |