nomadseason

September Weather in Browns Valley, United States

Last updated: June 24, 2025

In September, the average temperature in Browns Valley, United States hovers around 17°C (63°F). Expect a wide range, with minimums dipping to 1°C (35°F) and maximums soaring to 34°C (93°F). Be prepared for some damp days, as precipitation averages 80 mm (3.2 in) over 9 days, and humidity levels remain high at 82%.

September Temperature in Browns Valley

In September in Browns Valley, the average temperature is 17°C (63°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 1°C (35°F). Pack accordingly to enjoy both warm days and cooler nights during your travels!

September Weather in Browns Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Browns Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Browns Valley, September typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec151431415771747063473323
Data source: Temperature data for Browns Valley generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Browns Valley

In Browns Valley in September, the total precipitation amount is 80 mm (3.2 in) over the course of 9 days.

September Precipitation Trends in Browns Valley

The chart displays monthly precipitation patterns in Browns Valley, 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 Browns Valley, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2017415783758512380782436
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Browns Valley

In Browns Valley in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in Browns Valley

This chart illustrates the average monthly humidity levels in Browns Valley, 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 Browns Valley is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Browns Valley

In Browns Valley 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 Browns Valley.

Maximum UV Index Levels in Browns Valley for September

The chart shows the monthly maximum UV Index (UVI) for Browns Valley 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 Browns Valley typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3567910997532
Data source: Browns Valley 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 Browns Valley Compares to Other Months

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

This table compares monthly weather conditions in Browns Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)20 mm (0.8 inches)85%moderate
February Weather-10°C (14°F)17 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)40 mm (1.6 inches)81%high
April Weather5°C (41°F)57 mm (2.3 inches)82%high
May Weather14°C (58°F)83 mm (3.3 inches)76%very high
June Weather21°C (71°F)75 mm (2.9 inches)81%very high
July Weather23°C (74°F)85 mm (3.4 inches)82%very high
August Weather21°C (70°F)123 mm (4.9 inches)83%very high
September Weather17°C (63°F)80 mm (3.2 inches)82%high
October Weather8°C (47°F)77 mm (3.1 inches)82%moderate
November Weather1°C (33°F)24 mm (1.0 inches)87%moderate
December Weather-5°C (24°F)36 mm (1.4 inches)84%low

Compare Browns Valley's Climate with Cities Worldwide