Average Soil Temperature in Union City, TN for September 2026
Data from Dexter (54 mi away) • 25 of 30 days reported
Monthly Summary by Depth
2" depth
82.3°F
avg
72.3°F – 87.1°F
25 days
4" depth
83.5°F
avg
74.1°F – 88°F
25 days
8" depth
85.4°F
avg
77°F – 89.2°F
25 days
20" depth
83.4°F
avg
78.1°F – 85.5°F
25 days
40" depth
79.8°F
avg
78.4°F – 80.6°F
25 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 83.5°F | 84.2°F | 85.1°F | 81.9°F | 78.4°F |
| Sep 2 | 84.6°F | 85.3°F | 86.2°F | 82.6°F | 78.6°F |
| Sep 3 | 85.6°F | 86.5°F | 87.4°F | 83.3°F | 79°F |
| Sep 4 | 85.6°F | 86.7°F | 87.8°F | 83.8°F | 79.2°F |
| Sep 5 | 87.1°F | 88°F | 89.2°F | 84.7°F | 79.5°F |
| Sep 6 | 86°F | 87.3°F | 89.2°F | 85.5°F | 79.9°F |
| Sep 7 | 82.8°F | 84.4°F | 87.4°F | 85.1°F | 80.2°F |
| Sep 8 | 84.6°F | 85.8°F | 87.8°F | 84.7°F | 80.2°F |
| Sep 9 | 86.9°F | 87.4°F | 88.2°F | 84.9°F | 80.4°F |
| Sep 10 | 83.7°F | 85.1°F | 87.4°F | 85.1°F | 80.4°F |
| Sep 11 | 78.8°F | 80.4°F | 82.8°F | 83.3°F | 80.4°F |
| Sep 12 | 81.3°F | 82.6°F | 84°F | 82.6°F | 80.2°F |
| Sep 13 | 82.2°F | 83.5°F | 85.1°F | 82.9°F | 79.9°F |
| Sep 14 | 82.4°F | 83.3°F | 84.9°F | 82.9°F | 79.7°F |
| Sep 15 | 84.6°F | 85.5°F | 86.5°F | 83.5°F | 79.7°F |
| Sep 16 | 84.9°F | 86°F | 87.4°F | 84.2°F | 79.9°F |
| Sep 17 | 85.1°F | 86.2°F | 87.8°F | 84.7°F | 80.1°F |
| Sep 18 | 84.4°F | 85.6°F | 87.6°F | 85.1°F | 80.2°F |
| Sep 19 | 84.2°F | 85.5°F | 87.4°F | 85.1°F | 80.4°F |
| Sep 20 | 84.2°F | 85.3°F | 87.1°F | 84.7°F | 80.4°F |
| Sep 21 | 82.8°F | 83.8°F | 85.8°F | 84.4°F | 80.6°F |
| Sep 22 | 74.1°F | 76.5°F | 80.6°F | 82.8°F | 80.4°F |
| Sep 23 | 73.4°F | 74.8°F | 77.5°F | 79.9°F | 80.1°F |
| Sep 24 | 72.3°F | 74.1°F | 77°F | 78.8°F | 79.2°F |
| Sep 25 | 72.9°F | 74.5°F | 77°F | 78.1°F | 78.4°F |