The climate in Alunu during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Alunu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 22.1°C 71.8°F | 
|---|---|
| Nightly temperature | 9.9°C 49.8°F | 
| Average temperature | 16°C 60.8°F | 
| Daily sunshine | 7.3 hrs | 
| Avg rainfall | 46 mm 1.8 ins | 
| Rainy days | 8 days | 
| Sea temperature | 21.6°C 70.8°F | 
| Humidity | 75% | 
| Windspeed | 8.6kph 5 mph | 
On average September is the 6th driest month of the year in Alunu with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 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 Alunu in September 2025.
Best places to visit in September
| Hottest month: | July | 25.4°C 77.7°F | 
|---|---|---|
| Driest month: | January | 37mm 1.5ins | 
| Sunniest month: | August | 9hrs | 
| Coldest month: | January | 0.9°C 33.6°F | 
| Wettest month: | June | 95mm 3.7ins |