The climate in Guia during September can be summarized as warm and dry.
September is in the fall / autumn in Guia and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 26.4°C 79.4°F |
|---|---|
| Nightly temperature | 17.1°C 62.7°F |
| Average temperature | 21.7°C 71.1°F |
| Daily sunshine | 9.6 hrs |
| Avg rainfall | 15 mm 0.6 ins |
| Rainy days | 2 days |
| Sea temperature | 21°C 69.9°F |
| Humidity | 66% |
| Windspeed | 13kph 8 mph |
On average September is the 3rd driest month of the year in Guia with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 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 Guia in September 2025.
Best places to visit in September
| Hottest month: | August | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | August | 12hrs |
| Coldest month: | January | 15.4°C 59.7°F |
| Wettest month: | December | 99mm 3.9ins |