Finland · 1991–2020 normal
Harjavalta in
September.
Typical September weather in Harjavalta: 15.1°C by day, 6.1°C at night, 58 mm of rain over 9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high15.1°C
Typical low6.1°C
Rain58 mm
Wet days9
Comfort score 46 this month (July leads the year at 77). Daylight is calculated as 12 h 48 from latitude 61.32°. Open-water sea temperature is 13.7°C (41 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 658921
- NOAA station
- FIE00142526 · KOKEMAKI PEIPOHJA HYRKOLA
- Station distance
- 8.1 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.