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September Weather in Corsicana, United States

Last updated: June 24, 2025

The average temperature in Corsicana, United States during September is a warm 27°C (81°F), making it ideal for outdoor activities. Expect minimums of 11°C (51°F) and maximums reaching up to 39°C (103°F). While you'll enjoy the warmth, be prepared for some moisture, with an average precipitation amount of 94 mm (3.7 in) over about 8 days. As you explore, note that the average humidity hovers around 69%, adding to the tropical feel of the month.

September Temperature in Corsicana

In September in Corsicana, the average temperature is 27°C (81°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 11°C (51°F). Be sure to pack lightweight clothes for the daytime and a warmer layer for the cooler evenings if you're traveling during this time.

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

The chart illustrates September temperature patterns in Corsicana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corsicana, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec495162667582868681705854
Data source: Temperature data for Corsicana 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 Corsicana

In Corsicana in September, the precipitation amount is 94 mm (3.7 in) over the course of 8 days.

September Precipitation Trends in Corsicana

The chart displays monthly precipitation patterns in Corsicana, 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 Corsicana, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7410495110171847190941266275
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Corsicana

In Corsicana in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Corsicana

This chart illustrates the average monthly humidity levels in Corsicana, 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 Corsicana is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Corsicana

In Corsicana 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 Corsicana.

Maximum UV Index Levels in Corsicana for September

The chart shows the monthly maximum UV Index (UVI) for Corsicana 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 Corsicana typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111121110864
Data source: Corsicana 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 Corsicana Compares to Other Months

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

This table compares monthly weather conditions in Corsicana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (49°F)74 mm (2.9 inches)79%moderate
February Weather11°C (51°F)104 mm (4.1 inches)80%high
March Weather17°C (62°F)95 mm (3.7 inches)78%very high
April Weather19°C (67°F)110 mm (4.3 inches)79%very high
May Weather24°C (75°F)171 mm (6.7 inches)81%extreme
June Weather28°C (82°F)84 mm (3.3 inches)77%extreme
July Weather30°C (86°F)71 mm (2.8 inches)71%extreme
August Weather30°C (86°F)90 mm (3.5 inches)67%extreme
September Weather27°C (81°F)94 mm (3.7 inches)69%very high
October Weather21°C (70°F)126 mm (5.0 inches)73%very high
November Weather15°C (59°F)62 mm (2.4 inches)82%high
December Weather12°C (54°F)75 mm (2.9 inches)87%moderate

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