Average Soil Temperature in Arroyo Grande, CA for September 2026
Data from Cochora Ranch (49.2 mi away) • 25 of 30 days reported
Monthly Summary by Depth
2" depth
85.2°F
avg
75.2°F – 118.8°F
25 days
4" depth
85.9°F
avg
73°F – 100.8°F
25 days
8" depth
85.6°F
avg
82.2°F – 90.9°F
25 days
20" depth
84.6°F
avg
82.4°F – 87.3°F
25 days
40" depth
84.9°F
avg
82.6°F – 87.3°F
25 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Sep 1 | 83.7°F | 94.3°F | 88°F | 87.3°F | 87.1°F |
| Sep 2 | 83.7°F | 91.6°F | 86.2°F | 86.2°F | 87.3°F |
| Sep 3 | 79°F | 85.6°F | 86.7°F | 85.1°F | 86°F |
| Sep 4 | 78.8°F | 85.6°F | 86.2°F | 85.1°F | 85.8°F |
| Sep 5 | 107.1°F | 92.1°F | 82.9°F | 85.1°F | 85.5°F |
| Sep 6 | 78.1°F | 84°F | 85.6°F | 85.1°F | 85.8°F |
| Sep 7 | 82.4°F | 86.2°F | 85.6°F | 84°F | 85.3°F |
| Sep 8 | 75.7°F | 80.4°F | 84.6°F | 84°F | 84.9°F |
| Sep 9 | 88.3°F | 91.6°F | 89.1°F | 85.1°F | 84.9°F |
| Sep 10 | 89.8°F | 94.3°F | 90.9°F | 85.6°F | 84.7°F |
| Sep 11 | 118.8°F | 100.8°F | 88.5°F | 86.2°F | 84.7°F |
| Sep 12 | 91.4°F | 84°F | 87.3°F | 86.7°F | 84.7°F |
| Sep 13 | 81.7°F | 89.1°F | 88.5°F | 86.2°F | 84.9°F |
| Sep 14 | 91.2°F | 82.9°F | 88°F | 86.2°F | 85.6°F |
| Sep 15 | 91.2°F | 82.9°F | 88°F | 86.2°F | 85.6°F |
| Sep 16 | 80.4°F | 86.7°F | 85.6°F | 84.6°F | 84.9°F |
| Sep 17 | 79.9°F | 88°F | 84°F | 84°F | 85.1°F |
| Sep 18 | 91.9°F | 89.8°F | 82.4°F | 83.5°F | 84°F |
| Sep 19 | 77.9°F | 84°F | 84°F | 82.9°F | 84.7°F |
| Sep 20 | 79°F | 77.2°F | 82.9°F | 82.4°F | 84.6°F |
| Sep 21 | 93°F | 74.7°F | 82.9°F | 82.9°F | 84.4°F |
| Sep 22 | 75.2°F | 73°F | 82.9°F | 82.4°F | 83.7°F |
| Sep 23 | 77°F | 82.4°F | 83.7°F | 83.1°F | 82.8°F |
| Sep 24 | 78.3°F | 84°F | 84.4°F | 82.9°F | 82.6°F |
| Sep 25 | 75.4°F | 81.5°F | 82.2°F | 83.1°F | 82.6°F |