The climate in Fossbergom during September can be summarized as cool and a little damp.
September is in the fall / autumn in Fossbergom and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 1°C (34°F) is normal.
| Daytime temperature | 6.6°C 43.8°F | 
|---|---|
| Nightly temperature | 0.9°C 33.5°F | 
| Average temperature | 3.7°C 38.7°F | 
| Daily sunshine | 4 hrs | 
| Avg rainfall | 84 mm 3.3 ins | 
| Rainy days | 17 days | 
| Sea temperature | 13.2°C 55.8°F | 
| Humidity | 80% | 
| Windspeed | 18.4kph 11 mph | 
On average September is the wettest month of the year in Fossbergom with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 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 Fossbergom in September 2025.
Best places to visit in September
| Hottest month: | July | 12.3°C 54.1°F | 
|---|---|---|
| Driest month: | April | 39mm 1.5ins | 
| Sunniest month: | May | 7.7hrs | 
| Coldest month: | January | -9°C 15.8°F | 
| Wettest month: | September | 84mm 3.3ins |