Weather in Mosfellsbær in september
Climate normals based on 10 years of historical data for Mosfellsbær, Island.
Average high
10°C
Average low
6°C
Rainfall
148 mm
18 rainy days
Sunshine
2.1h/day
Luftfuktighet
80%
How Hot Is Mosfellsbær in september?
Expect daytime highs around 10°C and overnight lows near 6°C in Mosfellsbær during September — an average of 8°C across the day.
Sunshine Hours in september
Persistent cloud limits Mosfellsbær to about 2.1h of sun a day in September.
Does It Rain In Mosfellsbær In september?
Mosfellsbær sees heavy September rains — 148mm in 18 days, well above the annual average.
Is Mosfellsbær Humid In september?
Mosfellsbær's air is saturated this month: humidity averages a sweltering 80%.
Wind In Mosfellsbær In september
Mosfellsbær sees consistent breezes in September: typical wind speeds of 25 kph.
Cloud Cover In Mosfellsbær In september
Cloudy skies dominate Mosfellsbær in September — averaging 72% cloud cover.
Cities With Similar Weather In september
Weather in Mosfellsbær, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 1°C / -3°C | 165mm | Details → |
| Vädret i februari | 2°C / -3°C | 159mm | Details → |
| Vädret i mars | 3°C / -1°C | 137mm | Details → |
| Vädret i april | 6°C / 1°C | 135mm | Details → |
| Vädret i maj | 9°C / 4°C | 126mm | Details → |
| Vädret i juni | 11°C / 7°C | 99mm | Details → |
| Vädret i juli | 14°C / 9°C | 90mm | Details → |
| Vädret i augusti | 13°C / 9°C | 107mm | Details → |
| Vädret i september | 10°C / 6°C | 148mm | |
| Vädret i oktober | 7°C / 3°C | 158mm | Details → |
| Vädret i november | 4°C / 0°C | 132mm | Details → |
| Vädret i december | 1°C / -3°C | 143mm | Details → |