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

In September, Belfast averages 18°C high / 11°C low with about 80 mm of rain; Glasgow averages 17°C high / 8°C low with about 95 mm.

Belfast vs Glasgow in September

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

Belfast vs Glasgow — September climate, side by side

	🇬🇧 Belfast	🇬🇧 Glasgow
Comfort score	79/100 (B)	75/100 (B)
Feels-like high	15°C	15°C
Avg high / low	18° / 11°	17° / 8°
Rainfall	80 mm	95 mm
Rainy days	13	15
Humidity	82%	84%
Air quality (AQI)	35	31

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

Month by month

Belfast 🇬🇧 United Kingdomcool, rainy, clean air · best July79
Glasgow 🇬🇧 United Kingdomcool, rainy, clean air · best July75

Belfast vs Glasgow in September — FAQ

Is September better in Belfast or Glasgow?: Belfast is the better pick in September — 79 vs 75 on SeasonMap's comfort score. Belfast is cool, rainy, clean air, while Glasgow is cool, rainy, clean air.
What is the weather like in Belfast vs Glasgow in September?: In September, Belfast averages 18°C high / 11°C low with about 80 mm of rain; Glasgow averages 17°C high / 8°C low with about 95 mm.