What is the weather like in Belfast vs Liverpool in September?

In September, Belfast averages 18°C high / 11°C low with about 80 mm of rain; Liverpool averages 18°C high / 12°C low with about 127 mm.

Belfast vs Liverpool in September

Belfast is the better pick in September — 79 vs 75 on SeasonMap's comfort score. Belfast is cool, rainy, clean air, while Liverpool is nice, rainy, clean air.

Belfast vs Liverpool — September climate, side by side

	🇬🇧 Belfast	🇬🇧 Liverpool
Comfort score	79/100 (B)	75/100 (B)
Feels-like high	15°C	16°C
Avg high / low	18° / 11°	18° / 12°
Rainfall	80 mm	127 mm
Rainy days	13	17
Humidity	82%	81%
Air quality (AQI)	35	40

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

Month by month

Belfast vs Liverpool in September — FAQ

Is September better in Belfast or Liverpool?: Belfast is the better pick in September — 79 vs 75 on SeasonMap's comfort score. Belfast is cool, rainy, clean air, while Liverpool is nice, rainy, clean air.
What is the weather like in Belfast vs Liverpool in September?: In September, Belfast averages 18°C high / 11°C low with about 80 mm of rain; Liverpool averages 18°C high / 12°C low with about 127 mm.