Berlin weather

Our guide to the weather in Berlin during September

21

Average high

4

UV Index

42mm

Monthly rainfall

69%

Humidity

Berlin is a vibrant and cosmopolitan city, offering a wealth of cultural and historical attractions. September can be a pleasant time to visit, with mild temperatures and plenty of outdoor activities. We've looked at the most up-to-date weather data for Berlin, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Berlin weather in September.

How warm is it in Berlin during September?

The temperature reaches around 21℃ during the daytime in September, falling away to 12℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Berlin during September?

On average, there will be 3 rainy days during the month, amounting to 42.4mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Berlin during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

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Weather in Berlin

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