Weather in Viljandi in september
Climate normals based on 10 years of historical data for Viljandi, Estland.
Average high
17°C
Average low
9°C
Rainfall
68 mm
11 rainy days
Sunshine
2.8h/day
Luftfuktighet
80%
How Hot Is Viljandi in september?
The lingering warmth of summer fades in Viljandi: 17°C peaks, 9°C lows in September.
Sunshine Hours in september
Heavy overcast keeps sun limited in Viljandi: just 2.8h a day in September.
Does It Rain In Viljandi In september?
Showers come almost daily: 68mm in 11 days in Viljandi.
Is Viljandi Humid In september?
Oppressive humidity dominates Viljandi in September — averaging 80%, with the air feeling thick and heavy.
Wind In Viljandi In september
September brings gentle winds to Viljandi — averaging 16 kph.
Cloud Cover In Viljandi In september
Cloudy skies dominate Viljandi in September — averaging 68% cloud cover.
Cities With Similar Weather In september
Weather in Viljandi, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | -2°C / -6°C | 57mm | Details → |
| Vädret i februari | 0°C / -5°C | 52mm | Details → |
| Vädret i mars | 3°C / -3°C | 46mm | Details → |
| Vädret i april | 9°C / 1°C | 54mm | Details → |
| Vädret i maj | 16°C / 6°C | 43mm | Details → |
| Vädret i juni | 21°C / 11°C | 78mm | Details → |
| Vädret i juli | 22°C / 13°C | 101mm | Details → |
| Vädret i augusti | 21°C / 13°C | 101mm | Details → |
| Vädret i september | 17°C / 9°C | 68mm | |
| Vädret i oktober | 9°C / 4°C | 73mm | Details → |
| Vädret i november | 4°C / 1°C | 61mm | Details → |
| Vädret i december | 1°C / -3°C | 50mm | Details → |