What is the weather like in Birmingham vs Saint Helier in September?

In September, Birmingham averages 18°C high / 10°C low with about 74 mm of rain; Saint Helier averages 20°C high / 14°C low with about 77 mm.

Birmingham vs Saint Helier in September

Saint Helier is the better pick in September — 83 vs 79 on SeasonMap's comfort score. Saint Helier is nice, a little rain, clean air, while Birmingham is nice, a little rain, clean air.

Birmingham vs Saint Helier — September climate, side by side

	🇬🇧 Birmingham	Saint Helier
Comfort score	79/100 (B)	83/100 (A)
Feels-like high	16°C	19°C
Avg high / low	18° / 10°	20° / 14°
Rainfall	74 mm	77 mm
Rainy days	13	11
Humidity	80%	79%
Air quality (AQI)	38	43

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

Month by month

Birmingham vs Saint Helier in September — FAQ

Is September better in Birmingham or Saint Helier?: Saint Helier is the better pick in September — 83 vs 79 on SeasonMap's comfort score. Saint Helier is nice, a little rain, clean air, while Birmingham is nice, a little rain, clean air.
What is the weather like in Birmingham vs Saint Helier in September?: In September, Birmingham averages 18°C high / 10°C low with about 74 mm of rain; Saint Helier averages 20°C high / 14°C low with about 77 mm.