When to go · Königswinter
Königswinter in September
Great month. Inside Königswinter's best window: Apr–Oct; May and September for mild walking weather.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Germany overall
- Prices
- High
- Germany overall
Verdict
Inside Königswinter's best window: Apr–Oct; May and September for mild walking weather.
Is another month better than September?
No other month rates higher than September for Königswinter in this guide.
Weather in September
- KönigswinterHighs around 20 °C (68 °F), lows around 11 °C (52 °F), rain on about 9 daysHighs around 68 °F (20 °C), lows around 52 °F (11 °C), 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.
Compare two months
Weather, crowds and prices for any two months in Königswinter, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 20 °C (68 °F)68 °F (20 °C)
Apr: 15 °C (59 °F)59 °F (15 °C)
Night low
Sep: 11 °C (52 °F)52 °F (11 °C)
Apr: 5 °C (41 °F)41 °F (5 °C)
Rain days
Sep: 9
Apr: 9
Crowds
Sep: Medium
Apr: Medium
Prices
Sep: High
Apr: Medium
Festivals listed
Sep: 1
Apr: 0
September: Inside Königswinter's best window: Apr–Oct; May and September for mild walking weather.
April: Inside Königswinter's best window: Apr–Oct; May and September for mild walking weather.
Königswinter: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings