Weather in Dublin, Leinster, Ireland in September
In an average September, Dublin sees a daily high around 16°C and a low around 11°C, based on 1981–2026 of local climate records.
| Average high | 16°C |
|---|---|
| Typical high range | 14°C to 18°C |
| Average low | 11°C |
| Typical low range | 9°C to 13°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
24°C
2023-09-08
Lowest
10°C
2020-09-24
Low
Highest
17°C
1999-09-05
Lowest
6°C
1992-09-05
Feels-like
Highest
24°C
2023-09-08
Lowest
0°C
1992-09-05
Humidity
Highest
15.1 g/m³
2023-09-08
Lowest
6.9 g/m³
1987-09-28
Wind
Highest
70 km/h
2018-09-19
Lowest
8 km/h
1990-09-11
Precip
Wettest
148 mm
2020
Driest
7 mm
1986
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