Weather in Longyearbyen in September
Climate normals based on 10 years of historical data for Longyearbyen, Spitzbergen und Jan Mayen.
Average high
3°C
Average low
0°C
Rainfall
69 mm
13 rainy days
Sunshine
2.3h/day
Luftfeuchtigkeit
87%
How Hot Is Longyearbyen in September?
Longyearbyen in September clocks an average daytime peak of 3°C with overnight lows around 0°C.
Sunshine Hours in September
Longyearbyen's long September days are heavily clouded: 2.3h of direct sun on a typical day.
Does It Rain In Longyearbyen In September?
Plan around wet weather: Longyearbyen sees 69mm of rain on 13 days.
Is Longyearbyen Humid In September?
Longyearbyen's air is saturated this month: humidity averages a sweltering 87%.
Does It Snow In Longyearbyen In September?
Snow lightly dusts Longyearbyen once or twice in September — 1.6 snow days on average.
Wind In Longyearbyen In September
September brings gentle winds to Longyearbyen — averaging 14 kph.
Cloud Cover In Longyearbyen In September
Grey, overcast skies dominate: 76% average cloud cover in Longyearbyen.
Cities With Similar Weather In September
Weather in Longyearbyen, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | -10°C / -14°C | 39mm | Details → |
| Wetter im Februar | -10°C / -15°C | 44mm | Details → |
| Wetter im März | -12°C / -17°C | 41mm | Details → |
| Wetter im April | -7°C / -12°C | 31mm | Details → |
| Wetter im Mai | -2°C / -6°C | 31mm | Details → |
| Wetter im Juni | 4°C / 1°C | 26mm | Details → |
| Wetter im Juli | 8°C / 5°C | 42mm | Details → |
| Wetter im August | 7°C / 4°C | 57mm | Details → |
| Wetter im September | 3°C / 0°C | 69mm | |
| Wetter im Oktober | -2°C / -5°C | 48mm | Details → |
| Wetter im November | -5°C / -10°C | 49mm | Details → |
| Wetter im Dezember | -8°C / -13°C | 50mm | Details → |