Trenggalek Weather in September
What's the weather like in Trenggalek (East Java) in September 2025?
The climate in Trenggalek during September can be summarized as hot and a little damp.
September is in the spring in Trenggalek and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 32.3°C 90.1°F |
|---|---|
| Nightly temperature | 21.1°C 70°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 9.8 hrs |
| Avg rainfall | 92 mm 3.6 ins |
| Rainy days | 3 days |
| Sea temperature | 26.1°C 79°F |
| Humidity | 69% |
| Windspeed | 17.3kph 11 mph |
On average September is the 4th driest month of the year in Trenggalek with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
September temperatures in Trenggalek
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 Trenggalek in September 2025.
Other monthly averages
Best places to visit in September
Trenggalek weather stats
| Hottest month: | October | 32.5°C 90.5°F |
|---|---|---|
| Driest month: | August | 32mm 1.3ins |
| Sunniest month: | July | 10.1hrs |
| Coldest month: | July | 31°C 87.8°F |
| Wettest month: | March | 342mm 13.5ins |
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