September Weather in Kotzebue, United States

Last updated: June 24, 2025

In September, the average temperature in Kotzebue, United States hovers around 7°C (45°F). Expect a chilly climate, with minimums dipping to -4°C (25°F) and highs reaching 14°C (57°F). Prepare for some wet days, as precipitation totals about 62 mm (2.5 in) spread over 12 days of the month, accompanied by an average humidity level of a crisp 91%.

September Temperature in Kotzebue

In September in Kotzebue, the average temperature is 7°C (45°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -4°C (25°F). Be prepared for chilly weather and pack accordingly for your trip!

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

The chart illustrates September temperature patterns in Kotzebue, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotzebue, September typically has an average temperature of 7°C (45°F), with highs reaching up to 14°C (57°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Kotzebue generated using information from the Copernicus Climate Change Service.

September Precipitation in Kotzebue

In Kotzebue in September, the precipitation amount is 62 mm (2.5 in) over the course of 12 days.

September Precipitation Trends in Kotzebue

The chart displays monthly precipitation patterns in Kotzebue, 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 Kotzebue, September typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Kotzebue

In Kotzebue in September humidity is 91%. With an average temperature of 7°C (45°F), this humidity feels like a thick blanket wrapping around you, making it difficult to stay comfortable while traveling.

September Average Humidity in Kotzebue

This chart illustrates the average monthly humidity levels in Kotzebue, 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 Kotzebue is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kotzebue

In Kotzebue 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 Kotzebue, you can check the information here.

Maximum UV Index Levels in Kotzebue for September

The chart shows the monthly maximum UV Index (UVI) for Kotzebue 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 Kotzebue typically reaches 3, which falls under the moderate exposure category.

Data source: Kotzebue 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 Kotzebue Compares to Other Months

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

This table compares monthly weather conditions in Kotzebue, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-17°C (1°F)	19 mm (0.8 inches)	98%	low
February Weather	-17°C (1°F)	39 mm (1.5 inches)	97%	low
March Weather	-13°C (8°F)	41 mm (1.6 inches)	94%	low
April Weather	-6°C (21°F)	20 mm (0.8 inches)	87%	moderate
May Weather	0°C (33°F)	15 mm (0.6 inches)	82%	moderate
June Weather	5°C (42°F)	30 mm (1.2 inches)	83%	moderate
July Weather	10°C (51°F)	86 mm (3.4 inches)	86%	moderate
August Weather	11°C (52°F)	74 mm (2.9 inches)	89%	moderate
September Weather	7°C (45°F)	62 mm (2.5 inches)	91%	moderate
October Weather	0°C (32°F)	51 mm (2.0 inches)	92%	low
November Weather	-9°C (17°F)	42 mm (1.6 inches)	96%	low
December Weather	-14°C (7°F)	39 mm (1.5 inches)	100%	low