Weather in Espoo in September
In an average September, Espoo sees a daily high around 15°C and a low around 7°C, based on 1980–2026 of local climate records.
| Average high | 15°C |
|---|---|
| Typical high range | 10°C to 19°C |
| Average low | 7°C |
| Typical low range | 2°C to 12°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. 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
1999-09-03
Lowest
-6°C
1986-09-28
Feels-like
Highest
26°C
2024-09-05
Lowest
-14°C
1986-09-28
Humidity
Highest
15.0 g/m³
2025-09-07
Lowest
3.3 g/m³
1986-09-26
Wind
Highest
37 km/h
2020-09-17
Lowest
4 km/h
1992-09-13
Gust
Highest
94 km/h
2023-09-20
Lowest
10 km/h
1982-09-30
Precip
Wettest
130 mm
2012
Driest
12 mm
2002
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