What is the weather like in Dublin vs Helsinki in September?

In September, Dublin averages 18°C high / 10°C low with about 79 mm of rain; Helsinki averages 16°C high / 10°C low with about 65 mm.

Dublin vs Helsinki in September

Dublin and Helsinki are nearly tied in September — 80 vs 77 on SeasonMap's comfort score. Dublin is nice, a little rain, clean air; Helsinki is cool, a little rain, clean air.

Dublin vs Helsinki — September climate, side by side

	Dublin	Helsinki
Comfort score	80/100 (A)	77/100 (B)
Feels-like high	16°C	15°C
Avg high / low	18° / 10°	16° / 10°
Rainfall	79 mm	65 mm
Rainy days	13	9
Humidity	81%	82%
Air quality (AQI)	36	37

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Dublin vs Helsinki in September — FAQ

Is September better in Dublin or Helsinki?: Dublin and Helsinki are nearly tied in September — 80 vs 77 on SeasonMap's comfort score. Dublin is nice, a little rain, clean air; Helsinki is cool, a little rain, clean air.
What is the weather like in Dublin vs Helsinki in September?: In September, Dublin averages 18°C high / 10°C low with about 79 mm of rain; Helsinki averages 16°C high / 10°C low with about 65 mm.