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September Weather in Mathis, United States

Last updated: June 24, 2025

In September, the average temperature in Mathis, United States reaches a warm 28°C (82°F). Daytime highs can soar up to 38°C (100°F), while evenings bring a cooler minimum of 15°C (59°F). Expect 109 mm (4.3 in) of precipitation spread over about 14 days, coupled with an average humidity of 73%. Enjoy the warmth, but be prepared for some rainy days!

September Temperature in Mathis

In September in Mathis, the average temperature is 28°C (82°F). Maximums can reach 38°C (100°F), and minimums can be as low as 15°C (59°F). This makes Mathis an ideal destination for travelers seeking warmth during this time of year.

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

The chart illustrates September temperature patterns in Mathis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mathis, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec586168738084858682756661
Data source: Temperature data for Mathis 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 Mathis

In Mathis in September, the precipitation amount is 109 mm (4.3 in) over the course of 14 days.

September Precipitation Trends in Mathis

The chart displays monthly precipitation patterns in Mathis, 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 Mathis, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec352961441061338975109534448
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mathis

In Mathis in September humidity is 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

September Average Humidity in Mathis

This chart illustrates the average monthly humidity levels in Mathis, 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 Mathis is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%76%77%80%73%66%65%73%76%80%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mathis

In Mathis in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Mathis.

Maximum UV Index Levels in Mathis for September

The chart shows the monthly maximum UV Index (UVI) for Mathis 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 Mathis typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810111112121211975
Data source: Mathis 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 Mathis Compares to Other Months

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

This table compares monthly weather conditions in Mathis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)35 mm (1.4 inches)83%moderate
February Weather16°C (61°F)29 mm (1.2 inches)79%very high
March Weather20°C (69°F)61 mm (2.4 inches)76%very high
April Weather23°C (74°F)44 mm (1.7 inches)77%extreme
May Weather27°C (80°F)106 mm (4.2 inches)80%extreme
June Weather29°C (84°F)133 mm (5.2 inches)73%extreme
July Weather29°C (85°F)89 mm (3.5 inches)66%extreme
August Weather30°C (86°F)75 mm (2.9 inches)65%extreme
September Weather28°C (82°F)109 mm (4.3 inches)73%extreme
October Weather24°C (75°F)53 mm (2.1 inches)76%very high
November Weather19°C (66°F)44 mm (1.7 inches)80%high
December Weather16°C (61°F)48 mm (1.9 inches)86%moderate

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