Bolaang Weather in September
What's the weather like in Bolaang (North Sulawesi) in September 2025?
The climate in Bolaang during September can be summarized as hot, humid and damp.
September is in the fall / autumn in Bolaang and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 28.3°C 82.9°F |
|---|---|
| Nightly temperature | 21.2°C 70.1°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 109 mm 4.3 ins |
| Rainy days | 9 days |
| Sea temperature | 28.4°C 83.1°F |
| Humidity | 76% |
| Windspeed | 8.3kph 5 mph |
On average September is the 2nd driest month of the year in Bolaang with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
September temperatures in Bolaang
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 Bolaang in September 2025.
Other monthly averages
Best places to visit in September
Bolaang weather stats
| Hottest month: | May | 29°C 84.2°F |
|---|---|---|
| Driest month: | August | 102mm 4ins |
| Sunniest month: | November | 7.3hrs |
| Coldest month: | April | 27.3°C 81.1°F |
| Wettest month: | January | 321mm 12.6ins |
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