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September Weather in Mustang, United States

Last updated: June 24, 2025

In Mustang, United States, the average temperature for September hovers around 24°C (76°F). However, be prepared for a range where the minimum can drop to 8°C (47°F) and the maximum may soar up to 38°C (100°F). During this period, expect about 80 mm (3.2 in) of precipitation over approximately 6 days, paired with an average humidity of 64%.

September Temperature in Mustang

In September in Mustang, 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 Mustang: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mustang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mustang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394053596979838175625044
Data source: Temperature data for Mustang 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 Mustang

In Mustang in September, the precipitation amount is 80 mm (3.2 in) over a span of 6 days.

September Precipitation Trends in Mustang

The chart displays monthly precipitation patterns in Mustang, 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 Mustang, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec434380109142935961811012934
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mustang

In Mustang 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 Mustang

This chart illustrates the average monthly humidity levels in Mustang, 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 Mustang is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mustang

In Mustang 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 Mustang.

Maximum UV Index Levels in Mustang for September

The chart shows the monthly maximum UV Index (UVI) for Mustang 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 Mustang typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111119754
Data source: Mustang 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 Mustang Compares to Other Months

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

This table compares monthly weather conditions in Mustang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)43 mm (1.7 inches)76%moderate
February Weather5°C (40°F)43 mm (1.7 inches)76%high
March Weather12°C (54°F)80 mm (3.1 inches)70%very high
April Weather15°C (59°F)109 mm (4.3 inches)72%very high
May Weather21°C (70°F)141 mm (5.6 inches)82%very high
June Weather26°C (79°F)93 mm (3.6 inches)82%extreme
July Weather28°C (83°F)59 mm (2.3 inches)80%extreme
August Weather27°C (81°F)61 mm (2.4 inches)72%extreme
September Weather24°C (76°F)80 mm (3.2 inches)64%very high
October Weather16°C (62°F)101 mm (4.0 inches)71%high
November Weather10°C (50°F)29 mm (1.1 inches)81%moderate
December Weather6°C (44°F)34 mm (1.4 inches)84%moderate

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