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September Weather in Mesquite, United States

Last updated: June 24, 2025

In September, the average temperature in Mesquite, United States is a pleasant 27°C (80°F). However, temperatures can swing dramatically, with a minimum of 8°C (47°F) and soaring up to a scorching 42°C (108°F). Rainfall is modest, with an average precipitation of just 7 mm (0.3 in) over 1 day, while the air remains comfortable with an average humidity of 47%.

September Temperature in Mesquite

In September in Mesquite, the average temperature is 27°C (80°F). Maximums can reach 42°C (108°F), while minimums can drop to as low as 8°C (47°F). Be prepared for a wide range of temperatures when traveling to Mesquite during this month.

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

The chart illustrates September temperature patterns in Mesquite, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mesquite, September typically has an average temperature of 27°C (80°F), with highs reaching up to 42°C (108°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec434654647285898880645444
Data source: Temperature data for Mesquite 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 Mesquite

In Mesquite in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Mesquite

The chart displays monthly precipitation patterns in Mesquite, 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 Mesquite, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec4036381111118107193030
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mesquite

In Mesquite in September, humidity is 47%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travelers feel comfortable yet slightly sticky, as the air gently envelops them while exploring the sights.

September Average Humidity in Mesquite

This chart illustrates the average monthly humidity levels in Mesquite, 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 Mesquite is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%82%72%62%45%34%30%31%47%62%77%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mesquite

In Mesquite 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 Mesquite.

Maximum UV Index Levels in Mesquite for September

The chart shows the monthly maximum UV Index (UVI) for Mesquite 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 Mesquite typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Mesquite 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 Mesquite Compares to Other Months

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

This table compares monthly weather conditions in Mesquite, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)40 mm (1.6 inches)80%moderate
February Weather8°C (46°F)36 mm (1.4 inches)82%high
March Weather12°C (54°F)38 mm (1.5 inches)72%very high
April Weather18°C (65°F)11 mm (0.4 inches)62%very high
May Weather22°C (72°F)11 mm (0.4 inches)45%extreme
June Weather29°C (85°F)1 mm (0.0 inches)34%extreme
July Weather32°C (89°F)18 mm (0.7 inches)30%extreme
August Weather31°C (89°F)10 mm (0.4 inches)31%extreme
September Weather27°C (80°F)7 mm (0.3 inches)47%very high
October Weather18°C (64°F)19 mm (0.7 inches)62%high
November Weather12°C (55°F)30 mm (1.2 inches)77%moderate
December Weather6°C (44°F)30 mm (1.2 inches)80%moderate

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