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September Weather in Washburn, United States

Last updated: June 24, 2025

In September, the average temperature in Washburn, United States hovers around 14°C (57°F). Expect a range from a chilly -2°C (28°F) to a warm 30°C (86°F). With 93 mm (3.7 in) of precipitation over 9 days, you might want to pack an umbrella. The air tends to be 85% humid, adding a touch of mugginess to the pleasantly warm days.

September Temperature in Washburn

In September in Washburn, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 30°C (86°F), while minimum temperatures can dip as low as -2°C (28°F). Be prepared for a range of weather conditions to ensure a comfortable travel experience.

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

The chart illustrates September temperature patterns in Washburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Washburn, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec151725385261676657463219
Data source: Temperature data for Washburn 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 Washburn

In Washburn in September, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Washburn

The chart displays monthly precipitation patterns in Washburn, 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 Washburn, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9376761161018799779311011196
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Washburn

In Washburn in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Washburn

This chart illustrates the average monthly humidity levels in Washburn, 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 Washburn is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Washburn

In Washburn 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 Washburn.

Maximum UV Index Levels in Washburn for September

The chart shows the monthly maximum UV Index (UVI) for Washburn 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 Washburn typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910887532
Data source: Washburn 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 Washburn Compares to Other Months

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

This table compares monthly weather conditions in Washburn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)93 mm (3.6 inches)93%low
February Weather-9°C (17°F)76 mm (3.0 inches)92%moderate
March Weather-4°C (25°F)75 mm (3.0 inches)90%moderate
April Weather3°C (38°F)116 mm (4.6 inches)87%high
May Weather11°C (52°F)101 mm (4.0 inches)82%very high
June Weather16°C (62°F)87 mm (3.4 inches)77%very high
July Weather19°C (67°F)99 mm (3.9 inches)81%very high
August Weather19°C (66°F)77 mm (3.0 inches)83%very high
September Weather14°C (57°F)93 mm (3.7 inches)85%high
October Weather8°C (46°F)110 mm (4.3 inches)87%moderate
November Weather0°C (32°F)111 mm (4.4 inches)87%moderate
December Weather-7°C (20°F)96 mm (3.8 inches)90%low

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