When to go · Mannheim
Mannheim in September
Great month. Inside Mannheim's best window: May–Sep; Dec for the Christmas markets.
Key facts
- Verdict
- Great
- Temperature
- 22°C72°F / 11°C52°F
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Germany overall
- Prices
- High
- Germany overall
Verdict
GreatBest and avoid months for Mannheim
Inside Mannheim's best window: May–Sep; Dec for the Christmas markets.
Weather in September
- MannheimHighs around 22 °C, lows around 11 °C, rain on about 9 daysHighs around 72 °F, lows around 52 °F, rain on about 9 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Oktoberfest (Munich) big impact
Mid Sep – early Oct (19 Sep – 4 Oct 2026) · Germany
Munich hotels triple in price; trains from Munich crowded in the evenings.
Crowds and prices
- Crowds · Germany overall
- Medium
- Prices · Germany overall
- High
Germany overall: Best all-round month; Oktoberfest starts in the second half and Munich prices triple.
High-price month: see what to book ahead.
What to pack
- A warm layer for the evenings