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
Vochtigheid
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 | Regen | |
|---|---|---|---|
| Weer in januari | -3°C / -8°C | 43mm | Details → |
| Weer in februari | -2°C / -7°C | 38mm | Details → |
| Weer in maart | 1°C / -5°C | 35mm | Details → |
| Weer in april | 7°C / -1°C | 48mm | Details → |
| Weer in mei | 14°C / 5°C | 56mm | Details → |
| Weer in juni | 19°C / 10°C | 67mm | Details → |
| Weer in juli | 21°C / 12°C | 87mm | Details → |
| Weer in augustus | 20°C / 11°C | 106mm | Details → |
| Weer in september | 14°C / 8°C | 66mm | |
| Weer in oktober | 7°C / 2°C | 68mm | Details → |
| Weer in november | 2°C / -1°C | 58mm | Details → |
| Weer in december | -1°C / -5°C | 46mm | Details → |