Svalbard and Jan Mayen · 1991–2020 normal

Longyearbyen in
September.

Typical September weather in Longyearbyen: 4°C by day, 0.3°C at night, 24 mm of rain over 7.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high4°C
Typical low0.3°C
Rain24 mm
Wet days7.5

Comfort score 5 this month (July leads the year at 32). Daylight is calculated as 14 h 03 from latitude 78.22°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2729907
NOAA station
SV000001008 · SVALBARD AIRPORT
Station distance
5 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.