Rohnert Park in September
9.0out of 10
Yes, a good time to go
Warm and comfortable: highs around 24°C. Very dry: about 1 rainy days.
24°CAvg high
12°CAvg low
1Rainy days (3 mm)
12:14 hDaylight
06:58Sunrise · 19:12 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Very dry: about 1 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (0.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 14°C | 6°C | 138 mm | 10 | – | – | 6.2 |
| February | 15°C | 6°C | 145 mm | 10 | – | – | 6.5 |
| March | 17°C | 7°C | 107 mm | 9 | – | – | 6.9 |
| April | 18°C | 8°C | 49 mm | 6 | – | – | 7.7 |
| May | 21°C | 10°C | 26 mm | 3 | – | – | 8.4 |
| June | 23°C | 12°C | 6 mm | 1 | – | – | 9.0 |
| July | 24°C | 13°C | 0 mm | 0 | – | – | 9.1 |
| August | 25°C | 13°C | 1 mm | 0 | – | – | 9.1 |
| September | 24°C | 12°C | 3 mm | 1 | – | – | 9.0 |
| October | 22°C | 11°C | 30 mm | 3 | – | – | 8.7 |
| November | 17°C | 8°C | 72 mm | 6 | – | – | 7.5 |
| December | 14°C | 5°C | 140 mm | 10 | – | – | 6.1 |
Frequently asked questions
How hot is Rohnert Park in September?
Daytime highs average 24°C and nights about 12°C.
When is the best time to visit Rohnert Park?
The best months are July, August, June, September.