When to go · Nienburg
Nienburg in September
Great month. Inside Nienburg's best window: May–Sep; asparagus season Apr–Jun.
Key facts
- Verdict
- Great
- Temperature
- 19°C (66°F)66°F (19°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Germany overall
- Prices
- High
- Germany overall
Verdict
Inside Nienburg's best window: May–Sep; asparagus season Apr–Jun.
Is another month better than September?
No other month rates higher than September for Nienburg in this guide.
Weather in September
- NienburgHighs around 19 °C (66 °F), lows around 9 °C (48 °F), rain on about 9 daysHighs around 66 °F (19 °C), lows around 48 °F (9 °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 Nienburg, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 19 °C (66 °F)66 °F (19 °C)
Apr: 14 °C (57 °F)57 °F (14 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
Apr: 3 °C (37 °F)37 °F (3 °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 Nienburg's best window: May–Sep; asparagus season Apr–Jun.
April: Inside Nienburg's best window: May–Sep; asparagus season Apr–Jun.
Nienburg: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings