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September Weather in Seester, Germany

Last updated: August 23, 2025

In September, the average temperature in Seester, Germany is a pleasant 15°C (59°F). However, temperatures can vary significantly, with a minimum of 2°C (36°F) and a maximum of 30°C (86°F). Expect about 57 mm (2.2 in) of rain spread over 11 days during this month, contributing to an average humidity of 81%.

September Temperature in Seester

In September in Seester, the average temperature is 15°C (59°F). The maximum can reach 30°C (86°F), while the minimum can be as low as 2°C (36°F). This makes it essential for travelers to pack for a range of weather conditions, from warm days to chillier evenings.

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

The chart illustrates September temperature patterns in Seester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seester, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec383841475564646558534440
Data source: Temperature data for Seester 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 Seester

In Seester in September, the precipitation amount is 57 mm (2.2 in) spread over 11 days.

September Precipitation Trends in Seester

The chart displays monthly precipitation patterns in Seester, 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 Seester, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec666168447768857357915573
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Seester

In Seester in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Seester

This chart illustrates the average monthly humidity levels in Seester, 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 Seester 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 Seester

In Seester 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 Seester.

Maximum UV Index Levels in Seester for September

The chart shows the monthly maximum UV Index (UVI) for Seester 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 Seester typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Seester 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 Seester Compares to Other Months

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

This table compares monthly weather conditions in Seester, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)66 mm (2.6 inches)91%low
February Weather3°C (38°F)61 mm (2.4 inches)89%low
March Weather5°C (42°F)67 mm (2.7 inches)87%moderate
April Weather8°C (48°F)44 mm (1.7 inches)82%moderate
May Weather13°C (55°F)77 mm (3.0 inches)73%high
June Weather18°C (64°F)68 mm (2.7 inches)66%very high
July Weather18°C (64°F)85 mm (3.3 inches)66%high
August Weather18°C (65°F)73 mm (2.9 inches)67%high
September Weather15°C (59°F)57 mm (2.2 inches)81%moderate
October Weather11°C (53°F)91 mm (3.6 inches)86%moderate
November Weather7°C (44°F)55 mm (2.2 inches)90%low
December Weather4°C (40°F)73 mm (2.9 inches)90%low

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