Finland · 1991–2020 normal

Perniö in
September.

Typical September weather in Perniö: 16°C by day, 7.2°C at night, 48 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high16°C
Typical low7.2°C
Rain48 mm
Wet days8.4

Comfort score 53 this month (July leads the year at 84). Daylight is calculated as 12 h 46 from latitude 60.20°. Open-water sea temperature is 14.7°C (39 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 642113
NOAA station
FIE00142035 · SALO KARKKA
Station distance
19.3 km from the place centre
Coverage
Good coverage · 24 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.