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September Weather in Chevak, United States

Last updated: June 24, 2025

In September, the average temperature in Chevak, United States is a refreshing 8°C (47°F), with temperatures dipping as low as -1°C (31°F) and peaking at a pleasant 17°C (63°F). Expect 87 mm (3.4 in) of precipitation over approximately 14 days, creating a humid atmosphere with an average humidity of 90%.

September Temperature in Chevak

In September in Chevak, the average temperature is 8°C (47°F). The maximum can reach up to 17°C (63°F), while the minimum can dip as low as -1°C (31°F). This variation in temperature makes it advisable for travelers to pack both light layers for the daytime and warmer clothing for the cooler evenings.

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

The chart illustrates September temperature patterns in Chevak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chevak, September typically has an average temperature of 8°C (47°F), with highs reaching up to 17°C (63°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec91418284151545347372316
Data source: Temperature data for Chevak 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 Chevak

In Chevak in September, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.

September Precipitation Trends in Chevak

The chart displays monthly precipitation patterns in Chevak, 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 Chevak, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec345955395047588187865964
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chevak

In Chevak in September, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.

September Average Humidity in Chevak

This chart illustrates the average monthly humidity levels in Chevak, 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 Chevak is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%87%82%85%89%92%92%90%87%89%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chevak

In Chevak 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 Chevak for better planning.

Maximum UV Index Levels in Chevak for September

The chart shows the monthly maximum UV Index (UVI) for Chevak 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 Chevak typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Chevak 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 Chevak Compares to Other Months

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

This table compares monthly weather conditions in Chevak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)34 mm (1.3 inches)96%low
February Weather-10°C (14°F)59 mm (2.3 inches)95%low
March Weather-8°C (18°F)55 mm (2.2 inches)87%moderate
April Weather-2°C (29°F)39 mm (1.5 inches)82%moderate
May Weather5°C (42°F)50 mm (2.0 inches)85%moderate
June Weather11°C (52°F)47 mm (1.9 inches)89%high
July Weather12°C (54°F)58 mm (2.3 inches)92%high
August Weather12°C (53°F)81 mm (3.2 inches)92%moderate
September Weather8°C (47°F)87 mm (3.4 inches)90%moderate
October Weather3°C (38°F)86 mm (3.4 inches)87%low
November Weather-5°C (23°F)59 mm (2.3 inches)89%low
December Weather-9°C (16°F)64 mm (2.5 inches)95%low

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