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September Weather in Brent, United States

Last updated: June 24, 2025

In September, the average temperature in Brent, United States hovers around 25°C (78°F). The temperature can fluctuate, dipping to a minimum of 11°C (53°F) and soaring to a maximum of 37°C (99°F). Visitors should be prepared for some rain, as the area experiences about 77 mm (3.0 in) of precipitation over 9 days on average. Additionally, you might notice the air is quite humid, with an average humidity level of 73%.

September Temperature in Brent

In September in Brent, the average temperature is 25°C (78°F). Maximums can reach 37°C (99°F), while minimums can be as low as 11°C (53°F). This range makes it a great time for travelers who enjoy warm weather, with opportunities to explore both outdoor activities and cozy indoor experiences.

September Weather in Brent: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Brent, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brent, September typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec485460647379818178695451
Data source: Temperature data for Brent 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 Brent

In Brent in September, the precipitation amount is 77 mm (3.0 in) over the course of 9 days.

September Precipitation Trends in Brent

The chart displays monthly precipitation patterns in Brent, 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 Brent, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1041601351451051601061217712682137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brent

In Brent in September, humidity is 73%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, heavy blanket that wraps around you, making travel feel sluggish and requiring regular breaks to stay refreshed.

September Average Humidity in Brent

This chart illustrates the average monthly humidity levels in Brent, 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 Brent is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brent

In Brent 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 Brent.

Maximum UV Index Levels in Brent for September

The chart shows the monthly maximum UV Index (UVI) for Brent 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 Brent typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Brent 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 Brent Compares to Other Months

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

This table compares monthly weather conditions in Brent, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)104 mm (4.1 inches)85%moderate
February Weather12°C (54°F)160 mm (6.3 inches)84%high
March Weather15°C (60°F)135 mm (5.3 inches)82%very high
April Weather18°C (65°F)145 mm (5.7 inches)82%very high
May Weather23°C (74°F)105 mm (4.1 inches)81%extreme
June Weather26°C (79°F)160 mm (6.3 inches)77%extreme
July Weather27°C (81°F)106 mm (4.2 inches)77%extreme
August Weather27°C (81°F)121 mm (4.8 inches)72%extreme
September Weather25°C (78°F)77 mm (3.0 inches)73%very high
October Weather20°C (69°F)126 mm (5.0 inches)73%very high
November Weather12°C (55°F)82 mm (3.2 inches)85%high
December Weather10°C (51°F)137 mm (5.4 inches)88%moderate

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