What is the weather like in Frankfurt vs Heidelberg in September?

In September, Frankfurt averages 23°C high / 12°C low with about 61 mm of rain; Heidelberg averages 23°C high / 12°C low with about 75 mm.

Frankfurt vs Heidelberg in September

Frankfurt and Heidelberg are nearly tied in September — 90 vs 91 on SeasonMap's comfort score. Frankfurt is nice, a little rain, clean air; Heidelberg is nice, a little rain, clean air.

Frankfurt vs Heidelberg — September climate, side by side

	🇩🇪 Frankfurt	🇩🇪 Heidelberg
Comfort score	90/100 (S)	91/100 (S)
Feels-like high	21°C	22°C
Avg high / low	23° / 12°	23° / 12°
Rainfall	61 mm	75 mm
Rainy days	7	10
Humidity	70%	71%
Air quality (AQI)	47	44

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

Month by month

Frankfurt vs Heidelberg in September — FAQ

Is September better in Frankfurt or Heidelberg?: Frankfurt and Heidelberg are nearly tied in September — 90 vs 91 on SeasonMap's comfort score. Frankfurt is nice, a little rain, clean air; Heidelberg is nice, a little rain, clean air.
What is the weather like in Frankfurt vs Heidelberg in September?: In September, Frankfurt averages 23°C high / 12°C low with about 61 mm of rain; Heidelberg averages 23°C high / 12°C low with about 75 mm.