Tarakan Weather in September
What's the weather like in Tarakan (East Kalimantan) in September 2025?
The climate in Tarakan during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Tarakan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.9°C 89.4°F |
|---|---|
| Nightly temperature | 23.7°C 74.7°F |
| Average temperature | 27.8°C 82°F |
| Daily sunshine | 6.5 hrs |
| Avg rainfall | 238 mm 9.4 ins |
| Rainy days | 16 days |
| Sea temperature | 29°C 84.3°F |
| Humidity | 84% |
| Windspeed | 6.8kph 4 mph |
On average September is the 4th driest month of the year in Tarakan with around 238mm 9.4 inches of rain making it a very 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 6.5 hours of sunshine per day.
September temperatures in Tarakan
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 Tarakan in September 2025.
Other monthly averages
Best places to visit in September
Tarakan weather stats
| Hottest month: | May | 32°C 89.6°F |
|---|---|---|
| Driest month: | February | 202mm 8ins |
| Sunniest month: | August | 7.4hrs |
| Coldest month: | January | 28.1°C 82.6°F |
| Wettest month: | November | 291mm 11.5ins |
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