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September Weather in Denton, United States

Last updated: June 24, 2025

The average temperature in Denton, United States during September is a pleasant 26°C (78°F). Temperatures can vary, with minimums dipping to 10°C (50°F) and maximums soaring to 38°C (100°F). Be prepared for some rain, as the area typically sees 88 mm (3.5 in) of precipitation over 7 days. Additionally, you can expect an average humidity level of around 65%, making for a warm and humid atmosphere.

September Temperature in Denton

In September in Denton, the average temperature is 26°C (78°F). Maximum temperatures can reach up to 38°C (100°F), while minimums can drop as low as 10°C (50°F). This varied climate makes Denton an ideal destination for travelers seeking both warmth and cooler evenings.

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

The chart illustrates September temperature patterns in Denton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Denton, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec454859647481858478665550
Data source: Temperature data for Denton 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 Denton

In Denton in September, the precipitation amount is 88 mm (3.5 in) over a span of 7 days.

September Precipitation Trends in Denton

The chart displays monthly precipitation patterns in Denton, 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 Denton, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5686102103147904687881325452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Denton

In Denton in September, humidity is 65%. With an average temperature of 26°C (78°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit challenging, often leaving travelers feeling sticky and in need of frequent breaks in the shade.

September Average Humidity in Denton

This chart illustrates the average monthly humidity levels in Denton, 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 Denton is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Denton

In Denton in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Denton.

Maximum UV Index Levels in Denton for September

The chart shows the monthly maximum UV Index (UVI) for Denton 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 Denton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Denton 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 Denton Compares to Other Months

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

This table compares monthly weather conditions in Denton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)56 mm (2.2 inches)80%moderate
February Weather9°C (48°F)86 mm (3.4 inches)79%high
March Weather15°C (59°F)102 mm (4.0 inches)78%very high
April Weather18°C (65°F)103 mm (4.1 inches)78%very high
May Weather23°C (74°F)147 mm (5.8 inches)81%extreme
June Weather27°C (81°F)90 mm (3.5 inches)78%extreme
July Weather29°C (85°F)46 mm (1.8 inches)73%extreme
August Weather29°C (84°F)87 mm (3.4 inches)66%extreme
September Weather26°C (78°F)88 mm (3.5 inches)65%very high
October Weather19°C (67°F)132 mm (5.2 inches)72%very high
November Weather13°C (55°F)54 mm (2.1 inches)82%high
December Weather10°C (50°F)52 mm (2.1 inches)87%moderate

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