Ialibu Weather in September
What's the weather like in Ialibu (Southern Highlands) in September 2025?
The climate in Ialibu during September can be summarized as warm and very wet.
September is in the spring in Ialibu and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 28°C (83°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 28.2°C 82.7°F |
|---|---|
| Nightly temperature | 10.7°C 51.2°F |
| Average temperature | 19.4°C 66.9°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 246 mm 9.7 ins |
| Rainy days | 22 days |
| Sea temperature | 26.7°C 80.1°F |
| Humidity | 78% |
| Windspeed | 14.4kph 9 mph |
On average September is the 5th driest month of the year in Ialibu with around 246mm 9.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
September temperatures in Ialibu
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 Ialibu in September 2025.
Other monthly averages
Best places to visit in September
Ialibu weather stats
| Hottest month: | December | 28.9°C 84°F |
|---|---|---|
| Driest month: | June | 156mm 6.1ins |
| Sunniest month: | November | 5.1hrs |
| Coldest month: | July | 26.8°C 80.2°F |
| Wettest month: | March | 323mm 12.7ins |
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