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September Weather in Farmersville, United States

Last updated: June 24, 2025

In September, the average temperature in Farmersville, United States is a pleasant 22°C (71°F), with temperatures ranging from a cool 6°C (42°F) to a warm 34°C (93°F). Expect about 68 mm (2.7 in) of precipitation over 6 days, contributing to an average humidity of 79%.

September Temperature in Farmersville

In September in Farmersville, the average temperature is 22°C (71°F). Maximums can reach 34°C (93°F), and minimums can drop as low as 6°C (42°F). This climate offers a great opportunity for travelers to enjoy a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Farmersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmersville, September typically has an average temperature of 22°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec303244536675787471574237
Data source: Temperature data for Farmersville 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 Farmersville

In Farmersville in September, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

September Precipitation Trends in Farmersville

The chart displays monthly precipitation patterns in Farmersville, 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 Farmersville, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6872133133150119110103681036851
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Farmersville

In Farmersville in September humidity is 79%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky embrace that can make any outdoor adventure quite challenging for traveling; it's advisable to stay hydrated and take breaks in the shade to fully enjoy the sights.

September Average Humidity in Farmersville

This chart illustrates the average monthly humidity levels in Farmersville, 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 Farmersville is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Farmersville

In Farmersville in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Farmersville.

Maximum UV Index Levels in Farmersville for September

The chart shows the monthly maximum UV Index (UVI) for Farmersville 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 Farmersville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
Data source: Farmersville 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 Farmersville Compares to Other Months

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

This table compares monthly weather conditions in Farmersville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)68 mm (2.7 inches)84%moderate
February Weather0°C (33°F)72 mm (2.8 inches)82%moderate
March Weather7°C (44°F)133 mm (5.2 inches)84%high
April Weather12°C (53°F)133 mm (5.2 inches)83%very high
May Weather19°C (66°F)150 mm (5.9 inches)80%very high
June Weather24°C (75°F)119 mm (4.7 inches)83%extreme
July Weather25°C (78°F)110 mm (4.3 inches)82%extreme
August Weather23°C (75°F)102 mm (4.0 inches)82%very high
September Weather22°C (71°F)68 mm (2.7 inches)79%very high
October Weather14°C (58°F)103 mm (4.1 inches)79%high
November Weather6°C (42°F)68 mm (2.7 inches)88%moderate
December Weather3°C (37°F)51 mm (2.0 inches)87%moderate

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