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September Weather in Bristow, United States

Last updated: June 24, 2025

In September, the average temperature in Bristow, United States hovers around 24°C (76°F). Expect a range, with minimums dipping to 8°C (47°F) and maximums soaring to 38°C (100°F). Be prepared for some rain, as the region sees about 92 mm (3.6 in) of precipitation over 7 days. With an average humidity of 64%, the atmosphere can feel quite moist. Stay cool and enjoy your time!

September Temperature in Bristow

In September in Bristow, the average temperature is 24°C (76°F), with maximums reaching 38°C (100°F) and minimums dipping to as low as 8°C (47°F). This wide temperature range makes it essential for travelers to pack both lightweight clothing for the heat and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Bristow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bristow, September typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec404154597079838176625145
Data source: Temperature data for Bristow 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 Bristow

In Bristow in September, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

September Precipitation Trends in Bristow

The chart displays monthly precipitation patterns in Bristow, 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 Bristow, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6764951641531048989921244539
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bristow

In Bristow in September, humidity is 64%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable but still enjoyable, as you may find yourself yearning for a refreshing breeze or a quick dip in the water.

September Average Humidity in Bristow

This chart illustrates the average monthly humidity levels in Bristow, 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 Bristow is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bristow

In Bristow 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 Bristow.

Maximum UV Index Levels in Bristow for September

The chart shows the monthly maximum UV Index (UVI) for Bristow 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 Bristow typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Bristow 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 Bristow Compares to Other Months

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

This table compares monthly weather conditions in Bristow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)67 mm (2.7 inches)79%moderate
February Weather5°C (42°F)64 mm (2.5 inches)78%high
March Weather12°C (54°F)95 mm (3.8 inches)75%high
April Weather15°C (60°F)164 mm (6.5 inches)75%very high
May Weather21°C (70°F)153 mm (6.0 inches)83%very high
June Weather26°C (79°F)104 mm (4.1 inches)81%extreme
July Weather28°C (83°F)89 mm (3.5 inches)78%extreme
August Weather27°C (81°F)89 mm (3.5 inches)68%very high
September Weather24°C (76°F)92 mm (3.6 inches)64%very high
October Weather17°C (63°F)124 mm (4.9 inches)71%high
November Weather10°C (51°F)45 mm (1.8 inches)82%moderate
December Weather7°C (45°F)38 mm (1.5 inches)87%moderate

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