September Weather in Chief Lake, United States

Last updated: June 24, 2025

In Chief Lake, United States, the average temperature in September hovers around 16°C (60°F). Expect a range from a chilly 1°C (33°F) to a warm 30°C (86°F). During this month, the region experiences an average precipitation of 108 mm (4.3 in) over 12 days, contributing to a fairly high average humidity of 80%. Don't forget your umbrella and enjoy the dynamic weather!

September Temperature in Chief Lake

In September in Chief Lake, the average temperature is 16°C (60°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 1°C (33°F). This varied climate makes it a great time to visit for those who enjoy mild weather and the possibility of warm days.

September Weather in Chief Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chief Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chief Lake, September typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec141428395566706760453020
Data source: Temperature data for Chief Lake 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 Chief Lake

In Chief Lake in September, the precipitation amount is 108 mm (4.3 in) over the course of 12 days.

September Precipitation Trends in Chief Lake

The chart displays monthly precipitation patterns in Chief Lake, 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 Chief Lake, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec28425093108106100119109994864
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chief Lake

In Chief Lake in September, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.

September Average Humidity in Chief Lake

This chart illustrates the average monthly humidity levels in Chief Lake, 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 Chief Lake is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chief Lake

In Chief Lake in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Chief Lake.

Maximum UV Index Levels in Chief Lake for September

The chart shows the monthly maximum UV Index (UVI) for Chief Lake 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 Chief Lake typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Chief Lake 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 Chief Lake Compares to Other Months

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

This table compares monthly weather conditions in Chief Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)28 mm (1.1 inches)88%low
February Weather-10°C (14°F)42 mm (1.6 inches)89%moderate
March Weather-2°C (29°F)50 mm (2.0 inches)86%moderate
April Weather4°C (39°F)93 mm (3.7 inches)85%high
May Weather13°C (55°F)108 mm (4.3 inches)79%very high
June Weather19°C (66°F)106 mm (4.2 inches)80%very high
July Weather21°C (71°F)100 mm (3.9 inches)80%very high
August Weather19°C (67°F)119 mm (4.7 inches)78%very high
September Weather16°C (60°F)108 mm (4.3 inches)80%high
October Weather7°C (46°F)99 mm (3.9 inches)84%moderate
November Weather-1°C (30°F)48 mm (1.9 inches)89%moderate
December Weather-6°C (21°F)64 mm (2.5 inches)85%low

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