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September Weather in Bonham, United States

Last updated: June 24, 2025

In September, the average temperature in Bonham, United States is a pleasant 25°C (78°F). However, you might experience a minimum drop to 10°C (51°F) and a scorching maximum of 36°C (98°F). Be prepared for occasional rain, as the area receives about 94 mm (3.7 in) of precipitation over 8 days. With an average humidity of 65%, it's advisable to stay hydrated and enjoy the vibrant atmosphere!

September Temperature in Bonham

In September in Bonham, the average temperature is 25°C (78°F). The maximum can reach 36°C (98°F), and the minimum can be as low as 10°C (51°F). Pack accordingly for warm days and cooler evenings while enjoying your trip to Bonham.

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

The chart illustrates September temperature patterns in Bonham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bonham, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759637380848378665550
Data source: Temperature data for Bonham 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 Bonham

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

September Precipitation Trends in Bonham

The chart displays monthly precipitation patterns in Bonham, 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 Bonham, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec711051341621761065597941605977
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bonham

In Bonham in September, humidity is 65%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping shawl that makes traveling slightly more strenuous, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Bonham

This chart illustrates the average monthly humidity levels in Bonham, 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 Bonham is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bonham

In Bonham 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 Bonham.

Maximum UV Index Levels in Bonham for September

The chart shows the monthly maximum UV Index (UVI) for Bonham 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 Bonham typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Bonham 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 Bonham Compares to Other Months

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

This table compares monthly weather conditions in Bonham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)71 mm (2.8 inches)80%moderate
February Weather9°C (48°F)105 mm (4.1 inches)79%high
March Weather15°C (59°F)134 mm (5.3 inches)78%very high
April Weather17°C (64°F)162 mm (6.4 inches)78%very high
May Weather23°C (73°F)176 mm (6.9 inches)81%extreme
June Weather27°C (81°F)106 mm (4.2 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather28°C (83°F)97 mm (3.8 inches)66%extreme
September Weather25°C (78°F)94 mm (3.7 inches)65%very high
October Weather19°C (66°F)160 mm (6.3 inches)72%very high
November Weather13°C (55°F)59 mm (2.3 inches)82%high
December Weather10°C (50°F)77 mm (3.0 inches)87%moderate

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