The climate in Castro Verde during September can be summarized as warm and dry.
September is in the fall / autumn in Castro Verde and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 27.9°C 82.1°F |
|---|---|
| Nightly temperature | 16°C 60.7°F |
| Average temperature | 21.9°C 71.4°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 20 mm 0.8 ins |
| Rainy days | 4 days |
| Sea temperature | 21°C 69.9°F |
| Humidity | 60% |
| Windspeed | 13.3kph 8 mph |
On average September is the 3rd driest month of the year in Castro Verde with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 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 Castro Verde in September 2025.
Best places to visit in September
| Hottest month: | August | 30°C 86°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | August | 11.8hrs |
| Coldest month: | January | 14.2°C 57.6°F |
| Wettest month: | December | 90mm 3.5ins |