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September Weather in Kasilof, United States

Last updated: June 24, 2025

In September, the average temperature in Kasilof, United States hovers around 11°C (51°F). Expect a chill, with minimum temperatures dipping to 1°C (33°F), while highs can reach up to 18°C (64°F). Be prepared for wet weather too, as precipitation averages 129 mm (5.1 in) over 16 days. With an average humidity of 97%, it's a season that calls for cozy layers and umbrellas!

September Temperature in Kasilof

In September in Kasilof, the average temperature is 11°C (51°F). Maximums can reach 18°C (64°F) and minimums can be as low as 1°C (33°F). This climate makes it a great time for travelers to enjoy mild weather while exploring the sights.

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

The chart illustrates September temperature patterns in Kasilof, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasilof, September typically has an average temperature of 11°C (51°F), with highs reaching up to 18°C (64°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec232628374652575751423028
Data source: Temperature data for Kasilof 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 Kasilof

In Kasilof in September, the total precipitation amount is 129 mm (5.1 in), recorded over a span of 16 days.

September Precipitation Trends in Kasilof

The chart displays monthly precipitation patterns in Kasilof, 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 Kasilof, September typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec61594343816485101129144106123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kasilof

In Kasilof in September humidity is 97%. With an average temperature of 11°C (51°F), this humidity feels like wrapping yourself in a damp blanket, making travel quite uncomfortable and sticky, as the heavy air weighs you down and could easily dampen your enthusiasm for exploring.

September Average Humidity in Kasilof

This chart illustrates the average monthly humidity levels in Kasilof, 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 Kasilof is approximately 97%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%95%90%82%85%95%100%99%97%93%97%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kasilof

In Kasilof in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Kasilof for better planning.

Maximum UV Index Levels in Kasilof for September

The chart shows the monthly maximum UV Index (UVI) for Kasilof 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 Kasilof typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123466764211
Data source: Kasilof 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 Kasilof Compares to Other Months

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

This table compares monthly weather conditions in Kasilof, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)61 mm (2.4 inches)95%low
February Weather-3°C (26°F)59 mm (2.3 inches)95%low
March Weather-2°C (28°F)43 mm (1.7 inches)90%moderate
April Weather3°C (37°F)43 mm (1.7 inches)82%moderate
May Weather8°C (46°F)81 mm (3.2 inches)85%high
June Weather11°C (53°F)64 mm (2.5 inches)95%high
July Weather14°C (57°F)85 mm (3.3 inches)100%high
August Weather14°C (57°F)101 mm (4.0 inches)99%high
September Weather11°C (51°F)129 mm (5.1 inches)97%moderate
October Weather6°C (43°F)144 mm (5.7 inches)93%low
November Weather-1°C (31°F)106 mm (4.2 inches)97%low
December Weather-2°C (28°F)123 mm (4.9 inches)98%low

Compare Kasilof's Climate with Cities Worldwide