Average Soil Temperature in Folsom, CA for September 2026
Data from Yosemite Village 12 W (95.9 mi away) • 25 of 30 days reported
Monthly Summary by Depth
2" depth
65.1°F
avg
61°F – 71.2°F
25 days
4" depth
70.2°F
avg
64.4°F – 77.9°F
25 days
8" depth
46.4°F
avg
39°F – 60.4°F
25 days
20" depth
60.6°F
avg
59.5°F – 62.1°F
25 days
40" depth
58.6°F
avg
57.9°F – 59.5°F
25 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 66.6°F | 71.8°F | 39°F | 62.1°F | 59.5°F |
| Sep 2 | 64.4°F | 69.1°F | 51.6°F | 61.7°F | 59.4°F |
| Sep 3 | 64.2°F | 69.1°F | 56.5°F | 61.2°F | 59.2°F |
| Sep 4 | 61°F | 64.4°F | 60.4°F | 61°F | 59.2°F |
| Sep 5 | 62.6°F | 65.5°F | 59.7°F | 60.4°F | 59°F |
| Sep 6 | 63.9°F | 67.8°F | 59.7°F | 60.1°F | 58.6°F |
| Sep 7 | 64.8°F | 69.4°F | 40.6°F | 60.1°F | 58.5°F |
| Sep 8 | 66.9°F | 72.3°F | 39.4°F | 60.1°F | 58.5°F |
| Sep 9 | 70°F | 76.5°F | 40.1°F | 60.4°F | 58.3°F |
| Sep 10 | 71.2°F | 77.9°F | 39.6°F | 61°F | 58.3°F |
| Sep 11 | 69.8°F | 76.3°F | 41.2°F | 61.5°F | 58.5°F |
| Sep 12 | 68.9°F | 74.8°F | 39.4°F | 61.7°F | 58.6°F |
| Sep 13 | 67.5°F | 73.2°F | 44.4°F | 61.7°F | 58.8°F |
| Sep 14 | 65.8°F | 71.4°F | 39.9°F | 61.5°F | 58.8°F |
| Sep 15 | 64.8°F | 70°F | 41.2°F | 61°F | 58.8°F |
| Sep 16 | 64.2°F | 69.3°F | 41.9°F | 60.8°F | 58.6°F |
| Sep 17 | 63.3°F | 68°F | 46.6°F | 60.6°F | 58.6°F |
| Sep 18 | 62.4°F | 67.1°F | 49.5°F | 60.3°F | 58.5°F |
| Sep 19 | 63.5°F | 68.5°F | 49.1°F | 59.9°F | 58.3°F |
| Sep 20 | 63°F | 67.3°F | 49.1°F | 59.7°F | 58.3°F |
| Sep 21 | 61.5°F | 65.7°F | 46.4°F | 59.7°F | 58.1°F |
| Sep 22 | 62.4°F | 66.7°F | 48.9°F | 59.5°F | 58.1°F |
| Sep 23 | 64.6°F | 70°F | 46.9°F | 59.5°F | 57.9°F |
| Sep 24 | 65.3°F | 71.1°F | 43.5°F | 59.7°F | 57.9°F |
| Sep 25 | 65.3°F | 71.1°F | 44.6°F | 59.9°F | 57.9°F |