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September Weather in Celle, Germany

Last updated: August 23, 2025

In September, the average temperature in Celle, Germany hovers around 15°C (60°F). The weather can vary significantly, with the minimum dipping to 2°C (36°F) and the maximum soaring up to 32°C (90°F). Be prepared for some rain, as 58 mm (2.3 in) of precipitation typically falls over 9 days. With an average humidity of 81%, it's advisable to dress accordingly!

September Temperature in Celle

In September in Celle, the average temperature is 15°C (60°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 2°C (36°F). Travelers should pack accordingly to enjoy both warm days and cooler nights.

September Weather in Celle: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Celle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Celle, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec383943495766666759534440
Data source: Temperature data for Celle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Celle

In Celle in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Celle

The chart displays monthly precipitation patterns in Celle, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Celle, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec566065426063816558714671
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Celle

In Celle in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

September Average Humidity in Celle

This chart illustrates the average monthly humidity levels in Celle, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Celle is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Celle

In Celle in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Celle.

Maximum UV Index Levels in Celle for September

The chart shows the monthly maximum UV Index (UVI) for Celle in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Celle typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Celle September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Celle Compares to Other Months

Weather in Celle varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Celle, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Celle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)56 mm (2.2 inches)91%low
February Weather4°C (39°F)60 mm (2.4 inches)89%low
March Weather6°C (43°F)65 mm (2.6 inches)87%moderate
April Weather9°C (49°F)42 mm (1.6 inches)82%moderate
May Weather14°C (57°F)60 mm (2.4 inches)73%high
June Weather19°C (66°F)63 mm (2.5 inches)66%very high
July Weather19°C (67°F)81 mm (3.2 inches)66%high
August Weather19°C (67°F)65 mm (2.6 inches)67%high
September Weather15°C (60°F)58 mm (2.3 inches)81%moderate
October Weather12°C (53°F)71 mm (2.8 inches)86%moderate
November Weather7°C (44°F)46 mm (1.8 inches)90%low
December Weather4°C (40°F)71 mm (2.8 inches)90%low

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