Finland · 1991–2020 normal

Hamina in
September.

Typical September weather in Hamina: 14.9°C by day, 10.3°C at night, 50 mm of rain over 8.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high14.9°C
Typical low10.3°C
Rain50 mm
Wet days8.2

Comfort score 55 this month (July leads the year at 86). Daylight is calculated as 12 h 47 from latitude 60.57°. Open-water sea temperature is 14.4°C (22 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 659169
NOAA station
FIE00142341 · KOTKA RANKKI
Station distance
25.2 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.