Sonoyta Weather in September
What's the weather like in Sonoyta (Sonora) in September 2025?
The climate in Sonoyta during September can be summarized as very hot and dry.
September is in the fall / autumn in Sonoyta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 36.3°C 97.3°F |
|---|---|
| Nightly temperature | 22.6°C 72.6°F |
| Average temperature | 29.4°C 84.9°F |
| Daily sunshine | 11.3 hrs |
| Avg rainfall | 30 mm 1.2 ins |
| Rainy days | 3 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 44% |
| Windspeed | 12.6kph 8 mph |
On average September is the 3rd wettest month of the year in Sonoyta with around 30mm 1.2 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.3 hours of sunshine per day.
September temperatures in Sonoyta
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sonoyta in September 2025.
Other monthly averages
Best places to visit in September
Sonoyta weather stats
| Hottest month: | July | 39.1°C 102.4°F |
|---|---|---|
| Driest month: | May | 2mm 0.1ins |
| Sunniest month: | June | 13.8hrs |
| Coldest month: | January | 18.9°C 66°F |
| Wettest month: | August | 46mm 1.8ins |
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