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September Weather in Shishmaref, United States

Last updated: June 24, 2025

In September, the average temperature in Shishmaref, United States hovers around 7°C (45°F). Expect a chill in the air, with minimums dipping to 1°C (34°F) and maximums reaching up to 14°C (58°F). Be prepared for some wet days, as 58 mm (2.3 in) of precipitation is typical over 14 days, coupled with high humidity at 86%.

September Temperature in Shishmaref

In September in Shishmaref, the average temperature is 7°C (45°F), with maximums reaching 14°C (58°F) and minimums dipping as low as 1°C (34°F). Therefore, it's advisable to pack layers to stay comfortable while exploring the area.

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

The chart illustrates September temperature patterns in Shishmaref, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shishmaref, September typically has an average temperature of 7°C (45°F), with highs reaching up to 14°C (58°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec2310203139495045362311
Data source: Temperature data for Shishmaref 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 Shishmaref

In Shishmaref in September, the precipitation amount is 58 mm (2.3 in) over the course of 14 days.

September Precipitation Trends in Shishmaref

The chart displays monthly precipitation patterns in Shishmaref, 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 Shishmaref, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec182829202425786758524146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shishmaref

In Shishmaref in September, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

September Average Humidity in Shishmaref

This chart illustrates the average monthly humidity levels in Shishmaref, 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 Shishmaref is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%98%97%96%92%92%91%90%86%83%86%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shishmaref

In Shishmaref in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Shishmaref, you can check the information here.

Maximum UV Index Levels in Shishmaref for September

The chart shows the monthly maximum UV Index (UVI) for Shishmaref 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 Shishmaref typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112465643111
Data source: Shishmaref 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 Shishmaref Compares to Other Months

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

This table compares monthly weather conditions in Shishmaref, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)18 mm (0.7 inches)97%low
February Weather-16°C (4°F)28 mm (1.1 inches)98%low
March Weather-12°C (10°F)28 mm (1.1 inches)97%low
April Weather-7°C (20°F)20 mm (0.8 inches)95%moderate
May Weather-1°C (31°F)24 mm (0.9 inches)92%high
June Weather4°C (40°F)25 mm (1.0 inches)92%moderate
July Weather10°C (49°F)78 mm (3.1 inches)91%high
August Weather10°C (50°F)67 mm (2.6 inches)90%moderate
September Weather7°C (45°F)58 mm (2.3 inches)86%moderate
October Weather2°C (36°F)52 mm (2.1 inches)83%low
November Weather-5°C (24°F)41 mm (1.6 inches)86%low
December Weather-11°C (12°F)46 mm (1.8 inches)95%low

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