Weather in Seinäjoki in September
Climate normals based on 10 years of historical data for Seinäjoki, Finland.
Average high
14°C
Average low
8°C
Rainfall
66 mm
12 rainy days
Sunshine
2.6h/day
Kelembapan
81%
How Hot Is Seinäjoki in September?
Seinäjoki cools into a comfortable rhythm — 14°C by day, 8°C at night, averaging 11°C.
Sunshine Hours in September
Cloud cover keeps Seinäjoki dim: 2.6h of sun, daylight from 6:55 am to 7:50 pm.
Does It Rain In Seinäjoki In September?
Rain falls often in Seinäjoki this month — 66mm spread across 12 days, with rain on roughly every other day.
Is Seinäjoki Humid In September?
Expect heavy, oppressive air in Seinäjoki — humidity peaks at 81% on average.
Wind In Seinäjoki In September
September brings gentle winds to Seinäjoki — averaging 14 kph.
Cloud Cover In Seinäjoki In September
Grey, cloudy days are the norm: 71% average cover in Seinäjoki.
Cities With Similar Weather In September
Weather in Seinäjoki, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca pada Januari | -3°C / -8°C | 43mm | Details → |
| Cuaca pada Februari | -2°C / -7°C | 38mm | Details → |
| Cuaca pada Mac | 1°C / -5°C | 35mm | Details → |
| Cuaca pada April | 7°C / -1°C | 48mm | Details → |
| Cuaca pada Mei | 14°C / 5°C | 56mm | Details → |
| Cuaca pada Jun | 19°C / 10°C | 67mm | Details → |
| Cuaca pada Julai | 21°C / 12°C | 87mm | Details → |
| Cuaca pada Ogos | 20°C / 11°C | 106mm | Details → |
| Cuaca pada September | 14°C / 8°C | 66mm | |
| Cuaca pada Oktober | 7°C / 2°C | 68mm | Details → |
| Cuaca pada November | 2°C / -1°C | 58mm | Details → |
| Cuaca pada Disember | -1°C / -5°C | 46mm | Details → |