Weather in Tallinn in September
In an average September, Tallinn sees a daily high around 15°C and a low around 8°C, based on 1980–2026 of local climate records.
| Average high | 15°C |
|---|---|
| Typical high range | 11°C to 19°C |
| Average low | 8°C |
| Typical low range | 3°C to 13°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
27°C
2024-09-04
Lowest
5°C
1986-09-27
Low
Highest
17°C
1992-09-01
Lowest
-4°C
1986-09-28
Feels-like
Highest
30°C
2024-09-04
Lowest
-12°C
1986-09-28
Humidity
Highest
15.3 g/m³
2025-09-07
Lowest
3.5 g/m³
1986-09-26
Wind
Highest
40 km/h
2018-09-27
Lowest
6 km/h
1992-09-12
Gust
Highest
78 km/h
1983-09-23
Lowest
11 km/h
1995-09-11
Precip
Wettest
168 mm
1987
Driest
22 mm
1998
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