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September Weather in Radelfingen, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Radelfingen, Switzerland is a mild 15°C (59°F), with daily variations ranging from a cool 3°C (38°F) to a warm 29°C (84°F). Expect about 69 mm (2.7 in) of precipitation over 12 days, adding a touch of freshness to the air. With an average humidity of 81%, your experience will feel pleasantly humid, making it the perfect time to explore the vibrant landscapes!

September Temperature in Radelfingen

In September in Radelfingen, the average temperature is 15°C (59°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as 3°C (38°F). This makes it a great time to explore Radelfingen, as you can enjoy mild weather with a mix of pleasant warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Radelfingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Radelfingen, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333842495564676659504136
Data source: Temperature data for Radelfingen 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 Radelfingen

In Radelfingen in September, the precipitation amount is 69 mm (2.7 in) over the span of 12 days.

September Precipitation Trends in Radelfingen

The chart displays monthly precipitation patterns in Radelfingen, 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 Radelfingen, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec92779757136103126112699777134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Radelfingen

In Radelfingen 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 Radelfingen

This chart illustrates the average monthly humidity levels in Radelfingen, 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 Radelfingen is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Radelfingen

In Radelfingen in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Radelfingen, you can refer to this Hourly UV Index in Radelfingen.

Maximum UV Index Levels in Radelfingen for September

The chart shows the monthly maximum UV Index (UVI) for Radelfingen 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 Radelfingen typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Radelfingen 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 Radelfingen Compares to Other Months

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

This table compares monthly weather conditions in Radelfingen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)92 mm (3.6 inches)91%low
February Weather3°C (38°F)77 mm (3.0 inches)89%moderate
March Weather6°C (42°F)97 mm (3.8 inches)87%moderate
April Weather9°C (49°F)57 mm (2.3 inches)84%high
May Weather13°C (55°F)136 mm (5.4 inches)80%very high
June Weather18°C (65°F)103 mm (4.0 inches)82%very high
July Weather19°C (67°F)126 mm (5.0 inches)82%very high
August Weather19°C (66°F)112 mm (4.4 inches)77%very high
September Weather15°C (59°F)69 mm (2.7 inches)81%high
October Weather10°C (51°F)97 mm (3.8 inches)89%moderate
November Weather5°C (41°F)77 mm (3.0 inches)89%low
December Weather2°C (36°F)134 mm (5.3 inches)91%low

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