The climate in Bais during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Bais and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 30.6°C 87.1°F |
|---|---|
| Nightly temperature | 22.6°C 72.7°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 234 mm 9.2 ins |
| Rainy days | 17 days |
| Sea temperature | 29.3°C 84.8°F |
| Humidity | 81% |
| Windspeed | 6.1kph 4 mph |
On average September is the 3rd wettest month of the year in Bais with around 234mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 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 Bais in September 2025.
Best places to visit in September
| Hottest month: | May | 31.4°C 88.5°F |
|---|---|---|
| Driest month: | February | 34mm 1.3ins |
| Sunniest month: | April | 8.6hrs |
| Coldest month: | January | 28.5°C 83.3°F |
| Wettest month: | July | 250mm 9.8ins |