Average Soil Temperature in Twentynine Palms, CA for September 2025
Data from Desert Center (49.3 mi away) • 30 of 30 days reported
Monthly Summary by Depth
2" depth
87.1°F
avg
73.4°F – 101.7°F
30 days
4" depth
89.7°F
avg
75.6°F – 104.2°F
30 days
8" depth
95.5°F
avg
81.1°F – 107.1°F
30 days
20" depth
96.6°F
avg
90.3°F – 101.7°F
30 days
40" depth
98°F
avg
94.8°F – 100°F
30 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 101.7°F | 104.2°F | 107.1°F | 101.7°F | 100°F |
| Sep 2 | 86.7°F | 90.3°F | 97°F | 100.8°F | 100°F |
| Sep 3 | 95.5°F | 99.3°F | 103.1°F | 100°F | 100°F |
| Sep 4 | 82.9°F | 85.6°F | 97.3°F | 100°F | 100°F |
| Sep 5 | 88°F | 90.3°F | 96.6°F | 98.4°F | 99.3°F |
| Sep 6 | 92.1°F | 94.3°F | 99.7°F | 98.4°F | 99.3°F |
| Sep 7 | 94.3°F | 96.3°F | 101.1°F | 99.3°F | 99.3°F |
| Sep 8 | 92.8°F | 95.5°F | 102°F | 100°F | 99.3°F |
| Sep 9 | 90.3°F | 93.6°F | 100.2°F | 100°F | 99.3°F |
| Sep 10 | 88°F | 90.9°F | 97.7°F | 99.3°F | 99.3°F |
| Sep 11 | 88°F | 90.9°F | 97.3°F | 98.4°F | 99.3°F |
| Sep 12 | 88°F | 90.9°F | 97.3°F | 97.7°F | 98.4°F |
| Sep 13 | 88.5°F | 92.1°F | 98.2°F | 97.7°F | 98.4°F |
| Sep 14 | 89.1°F | 92.1°F | 97.9°F | 97.7°F | 98.4°F |
| Sep 15 | 90.9°F | 93.6°F | 98.4°F | 97.7°F | 98.4°F |
| Sep 16 | 94.3°F | 95.5°F | 100.2°F | 97.7°F | 97.7°F |
| Sep 17 | 93.6°F | 94.8°F | 98.1°F | 97.7°F | 97.7°F |
| Sep 18 | 77.7°F | 80.4°F | 88.3°F | 97°F | 97.7°F |
| Sep 19 | 80.4°F | 83.5°F | 89.2°F | 94.3°F | 97.7°F |
| Sep 20 | 85.1°F | 88°F | 93.6°F | 94.3°F | 97.7°F |
| Sep 21 | 80.4°F | 82°F | 86.4°F | 93.6°F | 97°F |
| Sep 22 | 82.4°F | 85.1°F | 90.5°F | 92.1°F | 97°F |
| Sep 23 | 88.5°F | 90.3°F | 95°F | 93.6°F | 96.3°F |
| Sep 24 | 92.8°F | 94.3°F | 97.9°F | 94.8°F | 96.3°F |
| Sep 25 | 88.5°F | 90.9°F | 96.6°F | 96.3°F | 96.3°F |
| Sep 26 | 79.5°F | 85.1°F | 93.4°F | 96.3°F | 96.3°F |
| Sep 27 | 73.4°F | 75.6°F | 81.1°F | 92.1°F | 96.3°F |
| Sep 28 | 77.2°F | 79.5°F | 85.1°F | 90.3°F | 96.3°F |
| Sep 29 | 81°F | 83.5°F | 88.7°F | 90.3°F | 95.5°F |
| Sep 30 | 80.1°F | 82.9°F | 89.1°F | 91.6°F | 94.8°F |