nomadseason

September Weather in Oldsum, Germany

Last updated: August 23, 2025

In September, the average temperature in Oldsum, Germany hovers around 16°C (60°F). Expect a minimum of 10°C (50°F) and a maximum of 23°C (74°F), making it a pleasant time of year. Be prepared for some rain, as the area receives about 119 mm (4.7 in) of precipitation over approximately 15 days. With an average humidity of 84%, the air will feel quite moist, adding to the overall climate experience.

September Temperature in Oldsum

In September in Oldsum, the average temperature is 16°C (60°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as 10°C (50°F). This range makes it an ideal time for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Oldsum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oldsum, September typically has an average temperature of 16°C (60°F), with highs reaching up to 23°C (74°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec393840455361636560544741
Data source: Temperature data for Oldsum generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Oldsum

In Oldsum in September, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

September Precipitation Trends in Oldsum

The chart displays monthly precipitation patterns in Oldsum, 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 Oldsum, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec727674446664901261191428890
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Oldsum

In Oldsum in September humidity is 84%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel muggy and potentially exhausting for travelers.

September Average Humidity in Oldsum

This chart illustrates the average monthly humidity levels in Oldsum, 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 Oldsum is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oldsum

In Oldsum 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 Oldsum.

Maximum UV Index Levels in Oldsum for September

The chart shows the monthly maximum UV Index (UVI) for Oldsum 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 Oldsum typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Oldsum 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 Oldsum Compares to Other Months

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

This table compares monthly weather conditions in Oldsum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)72 mm (2.8 inches)89%low
February Weather3°C (38°F)76 mm (3.0 inches)88%low
March Weather5°C (40°F)74 mm (2.9 inches)87%moderate
April Weather7°C (46°F)44 mm (1.7 inches)84%moderate
May Weather11°C (53°F)65 mm (2.6 inches)79%high
June Weather16°C (61°F)63 mm (2.5 inches)75%very high
July Weather17°C (63°F)89 mm (3.5 inches)76%high
August Weather18°C (65°F)126 mm (4.9 inches)77%high
September Weather16°C (60°F)119 mm (4.7 inches)84%moderate
October Weather12°C (55°F)142 mm (5.6 inches)87%moderate
November Weather8°C (47°F)88 mm (3.5 inches)88%low
December Weather5°C (42°F)90 mm (3.6 inches)87%low

Compare Oldsum's Climate with Cities Worldwide