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September Weather in Akiachak, United States

Last updated: June 24, 2025

In September, the average temperature in Akiachak, United States hovers around 8°C (47°F), with minimal dips to -4°C (25°F) and highs reaching up to 19°C (66°F). Expect 86 mm (3.4 in) of precipitation spread over 16 days, resulting in an average humidity of 92%—perfect for a cozy indoor retreat!

September Temperature in Akiachak

In September in Akiachak, the average temperature is 8°C (47°F). The maximum can reach 19°C (66°F), while the minimum can drop to -4°C (25°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Akiachak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Akiachak, September typically has an average temperature of 8°C (47°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (25°F).
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Data source: Temperature data for Akiachak 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 Akiachak

In Akiachak in September, the precipitation amount is 86 mm (3.4 in) over a period of 16 days.

September Precipitation Trends in Akiachak

The chart displays monthly precipitation patterns in Akiachak, 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 Akiachak, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec265647466265689386915957
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Akiachak

In Akiachak in September humidity is 92%. With an average temperature of 8°C (47°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and exhausting for travelers.

September Average Humidity in Akiachak

This chart illustrates the average monthly humidity levels in Akiachak, 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 Akiachak is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%89%78%80%86%89%91%92%92%95%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Akiachak

In Akiachak 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 Akiachak for better planning.

Maximum UV Index Levels in Akiachak for September

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

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

This table compares monthly weather conditions in Akiachak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (8°F)26 mm (1.0 inches)97%low
February Weather-10°C (14°F)56 mm (2.2 inches)95%low
March Weather-8°C (18°F)47 mm (1.8 inches)89%moderate
April Weather0°C (33°F)46 mm (1.8 inches)78%moderate
May Weather8°C (46°F)62 mm (2.4 inches)80%moderate
June Weather13°C (56°F)65 mm (2.5 inches)86%high
July Weather14°C (58°F)68 mm (2.7 inches)89%high
August Weather13°C (55°F)93 mm (3.7 inches)91%moderate
September Weather8°C (47°F)86 mm (3.4 inches)92%moderate
October Weather3°C (37°F)91 mm (3.6 inches)92%low
November Weather-6°C (21°F)59 mm (2.3 inches)95%low
December Weather-10°C (14°F)57 mm (2.3 inches)98%low

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