Average Soil Temperature in Davenport, IA for September 2026
Data from UW Platteville (82.6 mi away) • 24 of 30 days reported
Monthly Summary by Depth
2" depth
66.5°F
avg
58.3°F – 73.4°F
24 days
4" depth
66.5°F
avg
59.4°F – 72.7°F
24 days
8" depth
66.6°F
avg
60.4°F – 71.8°F
24 days
20" depth
65.4°F
avg
61.7°F – 68.2°F
24 days
40" depth
64.6°F
avg
63°F – 65.5°F
24 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 72.1°F | 71.1°F | 70°F | 66°F | 64.2°F |
| Sep 2 | 72°F | 71.4°F | 70.3°F | 66.7°F | 64.2°F |
| Sep 3 | 72.9°F | 71.8°F | 71.1°F | 67.5°F | 64.4°F |
| Sep 4 | 73.4°F | 72.7°F | 71.8°F | 67.8°F | 64.8°F |
| Sep 5 | 72°F | 71.4°F | 71.4°F | 68.2°F | 64.8°F |
| Sep 8 | 70.9°F | 70.3°F | 70°F | 67.8°F | 65.5°F |
| Sep 9 | 70.9°F | 71.4°F | 71.1°F | 67.8°F | 65.5°F |
| Sep 10 | 69.4°F | 70.3°F | 70.3°F | 68.2°F | 65.5°F |
| Sep 11 | 69.6°F | 70°F | 70°F | 67.8°F | 65.5°F |
| Sep 12 | 67.8°F | 68.5°F | 68.9°F | 67.5°F | 65.5°F |
| Sep 13 | 64.6°F | 65.5°F | 66.4°F | 66.7°F | 65.5°F |
| Sep 14 | 63.1°F | 63.1°F | 64.2°F | 65.5°F | 65.5°F |
| Sep 15 | 65.1°F | 65.1°F | 65.5°F | 64.8°F | 65.1°F |
| Sep 16 | 66.4°F | 66°F | 65.8°F | 64.8°F | 64.8°F |
| Sep 17 | 66.2°F | 65.8°F | 65.8°F | 64.8°F | 64.8°F |
| Sep 18 | 64.9°F | 64.8°F | 65.1°F | 64.8°F | 64.4°F |
| Sep 19 | 65.8°F | 65.1°F | 65.1°F | 64.2°F | 64.4°F |
| Sep 20 | 62.2°F | 63°F | 63.5°F | 64.2°F | 64.4°F |
| Sep 21 | 59.9°F | 60.8°F | 61.7°F | 63.5°F | 64.2°F |
| Sep 22 | 58.3°F | 59.4°F | 60.4°F | 62.2°F | 63.9°F |
| Sep 23 | 61.3°F | 61.3°F | 61.7°F | 61.7°F | 63.5°F |
| Sep 24 | 62.8°F | 62.2°F | 62.2°F | 61.7°F | 63.1°F |
| Sep 25 | 62.4°F | 63°F | 63°F | 62.1°F | 63°F |
| Sep 26 | 62.8°F | 62.6°F | 62.6°F | 62.1°F | 63°F |