Weather in Vantaa, Uusimaa, Finland in September
In an average September, Vantaa sees a daily high around 15°C and a low around 8°C, based on 1981–2026 of local climate records.
| Average high | 15°C |
|---|---|
| Typical high range | 11°C to 19°C |
| Average low | 8°C |
| Typical low range | 4°C to 12°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
26°C
2024-09-05
Lowest
4°C
1986-09-27
Low
Highest
16°C
2024-09-10
Lowest
-4°C
1986-09-28
Feels-like
Highest
26°C
2024-09-05
Lowest
-12°C
1986-09-28
Humidity
Highest
15.2 g/m³
2025-09-07
Lowest
4.0 g/m³
1986-09-26
Wind
Highest
27 km/h
2023-09-20
Lowest
4 km/h
2011-09-09
Precip
Wettest
139 mm
1987
Driest
17 mm
2000
See Vantaa's live weather grade →
Visiting Vantaa in September? See how its comfort stacks up against where you live.
Compare Vantaa with your city →