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September Weather in Bear River, United States

Last updated: June 24, 2025

In Bear River, United States, the average temperature in September hovers around 15°C (58°F). Expect a range where the minimum can dip to -4°C (26°F) and the maximum can soar to 32°C (90°F). With an average precipitation of 27 mm (1.1 in) spread out over 6 days, and a humidity level of 46%, it's a month of varied weather.

September Temperature in Bear River

In September in Bear River, the average temperature is 15°C (58°F). Maximums can reach 32°C (90°F) and minimums can be as low as -4°C (26°F). This wide range means travelers should prepare for both warm and chilly conditions.

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

The chart illustrates September temperature patterns in Bear River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bear River, September typically has an average temperature of 15°C (58°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec182230384962716858413120
Data source: Temperature data for Bear 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 Bear River

In Bear River in September, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.

September Precipitation Trends in Bear River

The chart displays monthly precipitation patterns in Bear 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 Bear River, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec384946475419202227314134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bear River

In Bear River in September humidity is 46%. With an average temperature of 15°C (58°F), this humidity feels like a refreshing embrace, making it comfortable for exploring the surroundings without feeling too sticky or heavy.

September Average Humidity in Bear River

This chart illustrates the average monthly humidity levels in Bear 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 Bear River is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bear River

In Bear River in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bear River.

Maximum UV Index Levels in Bear River for September

The chart shows the monthly maximum UV Index (UVI) for Bear 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 Bear River typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46811111212119753
Data source: Bear 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 Bear River Compares to Other Months

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

This table compares monthly weather conditions in Bear River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)38 mm (1.5 inches)91%moderate
February Weather-6°C (22°F)49 mm (1.9 inches)92%high
March Weather-1°C (30°F)46 mm (1.8 inches)84%very high
April Weather3°C (38°F)47 mm (1.9 inches)74%extreme
May Weather9°C (49°F)54 mm (2.1 inches)62%extreme
June Weather17°C (62°F)19 mm (0.8 inches)56%extreme
July Weather21°C (71°F)20 mm (0.8 inches)44%extreme
August Weather20°C (68°F)22 mm (0.9 inches)37%extreme
September Weather15°C (58°F)27 mm (1.1 inches)46%very high
October Weather5°C (41°F)31 mm (1.2 inches)67%high
November Weather0°C (31°F)41 mm (1.6 inches)84%moderate
December Weather-7°C (20°F)34 mm (1.3 inches)88%moderate

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