September Weather in Cross Lake, United States

Last updated: June 24, 2025

In Cross Lake, United States, the average temperature in September is a pleasant 16°C (60°F). You can expect a minimum temperature of 2°C (35°F) and a maximum of 29°C (85°F). During this month, rainfall totals around 112 mm (4.4 in), typically spread over 11 days. With an average humidity of 77%, it’s a month where you should be prepared for both warm days and potential showers.

September Temperature in Cross Lake

In September in Cross Lake, the average temperature is 16°C (60°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 2°C (35°F). This variation in temperature suggests that travelers should be prepared for both warm days and cool nights, making layering a smart packing strategy.

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

The chart illustrates September temperature patterns in Cross Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cross Lake, September typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec111128385467716860452918
Data source: Temperature data for Cross 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 Cross Lake

In Cross Lake in September, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.

September Precipitation Trends in Cross Lake

The chart displays monthly precipitation patterns in Cross 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 Cross Lake, September typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec20253867607690861121163053
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cross Lake

In Cross Lake in September, humidity is 77%. With an average temperature of 16°C (60°F), this humidity feels like a moist blanket wrapping around you, making outdoor activities a bit uncomfortable and requiring frequent hydration as you soak in the vibrant local culture.

September Average Humidity in Cross Lake

This chart illustrates the average monthly humidity levels in Cross 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 Cross Lake is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cross Lake

In Cross 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 Cross Lake.

Maximum UV Index Levels in Cross Lake for September

The chart shows the monthly maximum UV Index (UVI) for Cross 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 Cross Lake typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Cross 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 Cross Lake Compares to Other Months

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

This table compares monthly weather conditions in Cross Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (12°F)20 mm (0.8 inches)92%low
February Weather-12°C (11°F)25 mm (1.0 inches)93%moderate
March Weather-2°C (28°F)38 mm (1.5 inches)88%moderate
April Weather3°C (38°F)67 mm (2.6 inches)83%high
May Weather12°C (54°F)60 mm (2.4 inches)76%very high
June Weather19°C (67°F)76 mm (3.0 inches)76%very high
July Weather22°C (71°F)90 mm (3.5 inches)76%very high
August Weather20°C (68°F)86 mm (3.4 inches)77%very high
September Weather16°C (60°F)112 mm (4.4 inches)77%high
October Weather7°C (45°F)116 mm (4.6 inches)82%moderate
November Weather-2°C (29°F)30 mm (1.2 inches)87%moderate
December Weather-8°C (19°F)53 mm (2.1 inches)89%low

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