nomadseason

September Weather in Kiel, United States

Last updated: June 24, 2025

In September, the average temperature in Kiel, United States hovers around 18°C (64°F). Expect a minimum of 3°C (37°F) and a maximum of 31°C (89°F), making it quite versatile. Be prepared for some rain, with 75 mm (3.0 in) of precipitation spread across 10 days. Additionally, the average humidity is around 79%, which adds to the overall climatic feel of the season.

September Temperature in Kiel

In September in Kiel, the average temperature is 18°C (64°F). Maximums can reach 31°C (89°F), and minimums can be as low as 3°C (37°F). This makes Kiel an ideal destination for travelers seeking a diverse range of temperatures and outdoor experiences.

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

The chart illustrates September temperature patterns in Kiel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kiel, September typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec212233435667737064513628
Data source: Temperature data for Kiel 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 Kiel

In Kiel in September, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 days.

September Precipitation Trends in Kiel

The chart displays monthly precipitation patterns in Kiel, 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 Kiel, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec45475710110910210899751044649
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kiel

In Kiel in September, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

September Average Humidity in Kiel

This chart illustrates the average monthly humidity levels in Kiel, 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 Kiel is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kiel

In Kiel in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Kiel.

Maximum UV Index Levels in Kiel for September

The chart shows the monthly maximum UV Index (UVI) for Kiel 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 Kiel typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Kiel 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 Kiel Compares to Other Months

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

This table compares monthly weather conditions in Kiel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)45 mm (1.8 inches)85%low
February Weather-6°C (22°F)47 mm (1.8 inches)85%moderate
March Weather1°C (33°F)57 mm (2.3 inches)85%moderate
April Weather6°C (43°F)101 mm (4.0 inches)85%very high
May Weather13°C (56°F)109 mm (4.3 inches)78%very high
June Weather20°C (68°F)102 mm (4.0 inches)80%very high
July Weather23°C (73°F)108 mm (4.3 inches)78%very high
August Weather21°C (70°F)99 mm (3.9 inches)76%very high
September Weather18°C (64°F)75 mm (3.0 inches)79%high
October Weather10°C (51°F)104 mm (4.1 inches)83%moderate
November Weather2°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (29°F)49 mm (1.9 inches)81%low

Compare Kiel's Climate with Cities Worldwide