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September Weather in Washburn, United States

Last updated: June 24, 2025

In Washburn, United States during the month of September, the average temperature hovers around 21°C (69°F). Expect a range that can dip to a chilly 5°C (41°F) and soar to a sweltering 35°C (95°F). With an average precipitation of 77 mm (3.0 in) spread across 9 days, you'll find the humidity thick at around 80%. Plan your activities accordingly to enjoy everything this vibrant locale has to offer!

September Temperature in Washburn

In September in Washburn, the average temperature is 21°C (69°F). The maximum can reach 35°C (95°F) and the minimum can be as low as 5°C (41°F). It’s advisable to pack versatile clothing to accommodate both warm days and cooler evenings during your travels.

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 21°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec262841506373767469554034
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 77 mm (3.0 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 77 mm (3.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec59669911616114810678771345453
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 80%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit challenging for travelers as the air becomes heavy and can lead to fatigue while sightseeing.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
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-3°C (26°F)59 mm (2.3 inches)82%moderate
February Weather-2°C (29°F)66 mm (2.6 inches)83%moderate
March Weather5°C (41°F)98 mm (3.9 inches)84%high
April Weather10°C (51°F)116 mm (4.5 inches)85%very high
May Weather17°C (63°F)161 mm (6.3 inches)79%very high
June Weather23°C (74°F)148 mm (5.8 inches)82%extreme
July Weather25°C (77°F)106 mm (4.2 inches)80%very high
August Weather23°C (74°F)78 mm (3.1 inches)81%very high
September Weather21°C (69°F)77 mm (3.0 inches)80%very high
October Weather13°C (56°F)134 mm (5.3 inches)82%high
November Weather4°C (40°F)54 mm (2.1 inches)88%moderate
December Weather1°C (34°F)53 mm (2.1 inches)84%low

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