Average Soil Temperature in Danville, IL for September 2026
Data from Champaign 9 SW (40 mi away) • 27 of 30 days reported
Monthly Summary by Depth
2" depth
73.7°F
avg
65.1°F – 82.6°F
27 days
4" depth
73.4°F
avg
65.8°F – 80.8°F
27 days
8" depth
73.3°F
avg
66.9°F – 78.8°F
27 days
20" depth
72.5°F
avg
67.6°F – 75.7°F
27 days
40" depth
71.5°F
avg
68.2°F – 73.4°F
27 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 80.2°F | 78.3°F | 75.9°F | 73.4°F | 71.6°F |
| Sep 2 | 81.3°F | 79.3°F | 77°F | 73.9°F | 71.8°F |
| Sep 3 | 81.9°F | 79.9°F | 77.5°F | 74.7°F | 72.1°F |
| Sep 4 | 82.6°F | 80.6°F | 78.3°F | 75°F | 72.5°F |
| Sep 5 | 82.6°F | 80.8°F | 78.8°F | 75.6°F | 72.9°F |
| Sep 6 | 79°F | 78.4°F | 78.1°F | 75.7°F | 73.2°F |
| Sep 7 | 76.3°F | 76.1°F | 76.3°F | 75.2°F | 73.4°F |
| Sep 8 | 77.4°F | 76.1°F | 75.7°F | 74.7°F | 73.2°F |
| Sep 9 | 77.5°F | 76.8°F | 76.1°F | 74.5°F | 72.9°F |
| Sep 10 | 73.9°F | 74.7°F | 75.2°F | 74.3°F | 72.9°F |
| Sep 11 | 75°F | 74.3°F | 74.1°F | 73.6°F | 72.7°F |
| Sep 12 | 77.4°F | 76.1°F | 74.8°F | 73.4°F | 72.3°F |
| Sep 13 | 75.2°F | 75.2°F | 75°F | 73.6°F | 72.3°F |
| Sep 14 | 71.6°F | 72.1°F | 73.2°F | 73.2°F | 72.1°F |
| Sep 15 | 75.6°F | 73.9°F | 73.2°F | 72.5°F | 72°F |
| Sep 17 | 79.2°F | 77.7°F | 75.7°F | 73.4°F | 71.8°F |
| Sep 18 | 75.9°F | 76.3°F | 75.9°F | 73.9°F | 72°F |
| Sep 21 | 69.3°F | 71.1°F | 72.9°F | 73.2°F | 72°F |
| Sep 22 | 68.2°F | 69.3°F | 70.9°F | 72°F | 71.8°F |
| Sep 23 | 66°F | 67.6°F | 69.4°F | 70.9°F | 71.1°F |
| Sep 24 | 67.1°F | 67.6°F | 68.5°F | 70°F | 70.5°F |
| Sep 25 | 67.1°F | 67.8°F | 68.5°F | 69.4°F | 70°F |
| Sep 26 | 67.3°F | 67.6°F | 68.2°F | 69.1°F | 69.6°F |
| Sep 27 | 65.7°F | 66.7°F | 68°F | 68.9°F | 69.3°F |
| Sep 28 | 65.1°F | 65.8°F | 67.3°F | 68.4°F | 68.9°F |
| Sep 29 | 65.5°F | 65.8°F | 66.9°F | 68°F | 68.5°F |
| Sep 30 | 66°F | 66.4°F | 67.1°F | 67.6°F | 68.2°F |