Juan de Herrera Weather in September
What's the weather like in Juan de Herrera (San Juan) in September 2025?
The climate in Juan de Herrera during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Juan de Herrera and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 30.3°C 86.5°F |
|---|---|
| Nightly temperature | 16.6°C 61.8°F |
| Average temperature | 23.4°C 74.1°F |
| Daily sunshine | 7.4 hrs |
| Avg rainfall | 166 mm 6.5 ins |
| Rainy days | 16 days |
| Sea temperature | 29.1°C 84.3°F |
| Humidity | 78% |
| Windspeed | 10.4kph 7 mph |
On average September is the 3rd wettest month of the year in Juan de Herrera with around 166mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
September temperatures in Juan de Herrera
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 Juan de Herrera in September 2025.
Other monthly averages
Best places to visit in September
Juan de Herrera weather stats
| Hottest month: | July | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | January | 36mm 1.4ins |
| Sunniest month: | February | 7.9hrs |
| Coldest month: | January | 26.8°C 80.2°F |
| Wettest month: | May | 214mm 8.4ins |
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