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September Weather in Onsted, United States

Last updated: June 24, 2025

In September, the average temperature in Onsted, United States is a pleasant 19°C (66°F). Expect swings in temperature, with a minimum dipping to 2°C (37°F) and a maximum reaching up to 33°C (91°F). This month brings about 63 mm (2.5 in) of precipitation over 8 days, contributing to a high average humidity of 78%. Prepare for a mix of warmth and moisture during your stay!

September Temperature in Onsted

In September in Onsted, the average temperature is 19°C (66°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 2°C (37°F). This varying climate makes Onsted a versatile destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Onsted, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onsted, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837476070747266543932
Data source: Temperature data for Onsted 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 Onsted

In Onsted in September, the precipitation amount is 63 mm (2.5 in) spread over 8 days.

September Precipitation Trends in Onsted

The chart displays monthly precipitation patterns in Onsted, 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 Onsted, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec686985931339211271631108255
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Onsted

In Onsted in September, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

September Average Humidity in Onsted

This chart illustrates the average monthly humidity levels in Onsted, 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 Onsted is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Onsted

In Onsted in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Onsted.

Maximum UV Index Levels in Onsted for September

The chart shows the monthly maximum UV Index (UVI) for Onsted 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 Onsted typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35599101098642
Data source: Onsted 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 Onsted Compares to Other Months

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

This table compares monthly weather conditions in Onsted, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)68 mm (2.7 inches)88%moderate
February Weather-2°C (28°F)69 mm (2.7 inches)87%moderate
March Weather3°C (38°F)85 mm (3.3 inches)87%moderate
April Weather8°C (47°F)93 mm (3.7 inches)87%very high
May Weather15°C (60°F)133 mm (5.3 inches)81%very high
June Weather21°C (70°F)92 mm (3.6 inches)82%very high
July Weather24°C (75°F)112 mm (4.4 inches)81%very high
August Weather22°C (72°F)71 mm (2.8 inches)78%very high
September Weather19°C (66°F)63 mm (2.5 inches)78%very high
October Weather12°C (54°F)110 mm (4.3 inches)82%high
November Weather4°C (39°F)82 mm (3.2 inches)89%moderate
December Weather0°C (33°F)55 mm (2.2 inches)86%low

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