Your holiday weather, at a glance

Germany in September: where is it warmest?

In September, Karlsruhe is the warmest place with 21 °C by day, Westerland, Sylt the coolest with 17 °C. 79 of 101 destinations have good holiday weather.

All destinations in September, warmest first

Long-term averages for the month: daytime high, sea, sunshine and rainy days.

Place	Score	Air	Sea	Sun	Rain days
Karlsruhe	79	21°	–	6 h	9
Mannheim	78	21°	–	6 h	9
Heidelberg	78	21°	–	6 h	9
Worms	78	21°	–	6 h	9
Frankfurt	79	20°	–	6 h	9
Potsdam	79	20°	–	6 h	9
Halle (Saale)	78	20°	–	6 h	9
Mainz	78	20°	–	6 h	9
Wiesbaden	78	20°	–	6 h	9
Lutherstadt Wittenberg	78	20°	–	6 h	9
Darmstadt	78	20°	–	6 h	9
Magdeburg	77	20°	–	5 h	9
Freiburg im Breisgau	77	20°	–	6 h	10
Leipzig	77	20°	–	5 h	9
Baden-Baden	77	20°	–	6 h	10
Saarbrücken	77	20°	–	6 h	10
Aschaffenburg	77	20°	–	6 h	10
Kaiserslautern	77	20°	–	6 h	10
Dresden	76	20°	–	6 h	10
Würzburg	76	20°	–	6 h	10
Stuttgart	75	20°	–	6 h	11
Bamberg	75	20°	–	5 h	10
Jena	75	20°	–	5 h	10
Regensburg	74	20°	–	5 h	10
Trier	74	20°	–	5 h	10
Koblenz	73	20°	–	5 h	10
Düsseldorf	71	20°	–	5 h	11
Berlin	78	19°	–	6 h	9
Tangermünde	78	19°	–	5 h	9
Havelberg	78	19°	–	5 h	9
Quedlinburg	77	19°	–	5 h	9
Spiesen-Elversberg	77	19°	–	6 h	10
Cottbus	77	19°	–	6 h	10
Wolfsburg	77	19°	–	5 h	9
Schwerin	76	19°	–	5 h	9
Erfurt	76	19°	–	5 h	9
Weimar	76	19°	–	5 h	9
Brunswick	76	19°	–	5 h	10
Nuremberg	75	19°	–	6 h	10
Görlitz	75	19°	–	6 h	10
Passau	75	19°	–	6 h	11
Lüneburg	75	19°	–	5 h	10
Marburg	75	19°	–	5 h	9
Tübingen	75	19°	–	6 h	11
Erlangen	75	19°	–	6 h	10
Hamburg	74	19°	–	5 h	10
Hanover	74	19°	–	5 h	10
Bremen	74	19°	–	5 h	10
Göttingen	74	19°	–	5 h	10
Fulda	74	19°	–	5 h	10
Cologne	73	19°	–	5 h	10
Münster	73	19°	–	5 h	10
Augsburg	73	19°	–	5 h	11
Bonn	73	19°	–	5 h	10
Kassel	73	19°	–	5 h	10
Rothenburg ob der Tauber	73	19°	–	5 h	11
Munich	72	19°	–	6 h	12
Osnabrück	72	19°	–	5 h	10
Oldenburg	72	19°	–	5 h	11
Essen	72	19°	–	5 h	11
Duisburg	72	19°	–	5 h	11
Bielefeld	72	19°	–	5 h	11
Gelsenkirchen	72	19°	–	5 h	11
Konstanz, Lake Constance	71	19°	–	6 h	12
Ulm	71	19°	–	5 h	11
Überlingen	71	19°	–	6 h	12
Dortmund	70	19°	–	5 h	12
Rosenheim	70	19°	–	6 h	13
Wuppertal	70	19°	–	5 h	12
Ueckermünde	22	19°	17°	6 h	9
Wismar	20	19°	16°	5 h	10
Rostock	77	18°	16°	6 h	10
Lübeck	75	18°	–	5 h	9
Kiel	74	18°	16°	5 h	10
Chemnitz	72	18°	–	5 h	12
Goslar	72	18°	–	5 h	11
Aachen	71	18°	–	5 h	11
Berchtesgaden	68	18°	–	6 h	14
Stralsund	21	18°	16°	6 h	10
Greifswald	21	18°	17°	5 h	9
Heringsdorf, Usedom	20	18°	17°	6 h	10
Kühlungsborn	20	18°	16°	6 h	10
Timmendorfer Strand	19	18°	16°	5 h	9
Stade	18	18°	17°	5 h	10
Norderney	17	18°	17°	5 h	12
Flensburg	17	18°	16°	5 h	11
Emden	17	18°	17°	5 h	11
Bremerhaven	17	18°	17°	5 h	11
Wilhelmshaven	17	18°	17°	5 h	11
Borkum	17	18°	17°	5 h	12
Eckernförde	17	18°	16°	5 h	11
Husum	15	18°	17°	5 h	12
Cuxhaven	14	18°	17°	5 h	13
Monschau	69	17°	–	5 h	12
Garmisch-Partenkirchen	66	17°	–	6 h	15
Oberstdorf	65	17°	–	5 h	14
Binz, Rügen	20	17°	17°	6 h	10
Fehmarn	19	17°	16°	6 h	11
St. Peter-Ording	15	17°	17°	5 h	12
Heligoland	15	17°	17°	5 h	13
Westerland, Sylt	14	17°	17°	5 h	13

Germany in September: quick answers

Germany in September: where is it warmest?

The warmest places in September are Karlsruhe (21 °C), Mannheim (21 °C) and Heidelberg (21 °C).

Germany in September: where is the sea warmest?

The sea is warmest at Ueckermünde (17 °C), Greifswald (17 °C) and Heringsdorf, Usedom (17 °C).

Germany in September: where is the weather best?

The best holiday weather in September – warm, sunny and dry – is in Karlsruhe, Frankfurt and Potsdam.

Germany month by month

Germany: weather & best time to visit

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences