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September Weather in Pine River, United States

Last updated: June 24, 2025

In September, the average temperature in Pine River, United States hovers around 15°C (60°F), offering a mild climate for visitors. Temperatures can fluctuate dramatically, dipping as low as -1°C (30°F) and soaring up to 30°C (87°F). Expect 109 mm (4.3 in) of precipitation spread over approximately 10 days, contributing to an average humidity level of 77%.

September Temperature in Pine River

In September in Pine River, the average temperature is 15°C (60°F). The maximum can reach 30°C (87°F), and the minimum can be as low as -1°C (30°F). Be prepared for a range of weather conditions if you plan to travel during this month.

September Weather in Pine River: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pine River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pine River, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec111128395568716860442818
Data source: Temperature data for Pine River 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 Pine River

In Pine River in September, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

September Precipitation Trends in Pine River

The chart displays monthly precipitation patterns in Pine River, 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 Pine River, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec20253662568083901091102852
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pine River

In Pine River in September, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.

September Average Humidity in Pine River

This chart illustrates the average monthly humidity levels in Pine River, 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 Pine River 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 Pine River

In Pine River 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 Pine River.

Maximum UV Index Levels in Pine River for September

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

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

This table compares monthly weather conditions in Pine River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (11°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)36 mm (1.4 inches)88%moderate
April Weather4°C (39°F)62 mm (2.5 inches)83%high
May Weather13°C (55°F)56 mm (2.2 inches)76%very high
June Weather20°C (68°F)80 mm (3.2 inches)76%very high
July Weather22°C (72°F)83 mm (3.3 inches)76%very high
August Weather20°C (68°F)90 mm (3.5 inches)77%very high
September Weather15°C (60°F)109 mm (4.3 inches)77%high
October Weather7°C (44°F)110 mm (4.3 inches)82%moderate
November Weather-2°C (28°F)28 mm (1.1 inches)87%moderate
December Weather-8°C (18°F)52 mm (2.0 inches)89%low

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