The climate in San Miguel during September can be summarized as warm and dry.
September is in the fall / autumn in San Miguel and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 25.2°C 77.3°F |
|---|---|
| Nightly temperature | 17.9°C 64.1°F |
| Average temperature | 21.5°C 70.7°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 15 mm 0.6 ins |
| Rainy days | 3 days |
| Sea temperature | 23.8°C 74.9°F |
| Humidity | 68% |
| Windspeed | 15.5kph 10 mph |
On average September is the 5th driest month of the year in San Miguel with around 15mm 0.6 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 8.5 hours of sunshine per day.
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 San Miguel in September 2025.
Best places to visit in September
| Hottest month: | August | 25.5°C 77.9°F |
|---|---|---|
| Driest month: | July | 2mm 0.1ins |
| Sunniest month: | August | 10hrs |
| Coldest month: | January | 17.4°C 63.3°F |
| Wettest month: | December | 77mm 3ins |