The climate in Stêr Giyān during September can be summarized as warm and dry.
September is in the fall / autumn in Stêr Giyān and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 27.3°C 81.1°F | 
|---|---|
| Nightly temperature | 12°C 53.5°F | 
| Average temperature | 19.6°C 67.3°F | 
| Daily sunshine | 10.8 hrs | 
| Avg rainfall | 14 mm 0.5 ins | 
| Rainy days | 3 days | 
| Sea temperature | 22.9°C 73.2°F | 
| Humidity | 46% | 
| Windspeed | 8.6kph 5 mph | 
On average September is the 3rd driest month of the year in Stêr Giyān with around 14mm 0.5 inches of rain making it a dry 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 10.8 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 Stêr Giyān in September 2025.
Best places to visit in September
| Hottest month: | July | 30.6°C 87.1°F | 
|---|---|---|
| Driest month: | October | 8mm 0.3ins | 
| Sunniest month: | November | 9.4hrs | 
| Coldest month: | January | 5.5°C 41.9°F | 
| Wettest month: | March | 68mm 2.7ins |