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September Weather in Garland, United States

Last updated: June 24, 2025

In Garland, United States, the average temperature for September is a pleasant 26°C (79°F). However, you can expect a range, with minimums dipping to 10°C (51°F) and maximums soaring up to 37°C (99°F). During this month, precipitation averages 92 mm (3.6 in) over about 7 days, and the average humidity hovers around 65%, creating a warm yet refreshing atmosphere.

September Temperature in Garland

In September in Garland, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (99°F), while minimums can dip as low as 10°C (51°F). It's a great time to explore Garland with a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Garland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garland, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec464960657481858479675651
Data source: Temperature data for Garland 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 Garland

In Garland in September, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

September Precipitation Trends in Garland

The chart displays monthly precipitation patterns in Garland, 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 Garland, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec59102120121177865198921465967
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Garland

In Garland in September, humidity is 65%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making travel quite sticky and uncomfortable.

September Average Humidity in Garland

This chart illustrates the average monthly humidity levels in Garland, 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 Garland 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 Garland

In Garland 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 Garland.

Maximum UV Index Levels in Garland for September

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

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

This table compares monthly weather conditions in Garland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)59 mm (2.3 inches)80%moderate
February Weather9°C (49°F)102 mm (4.0 inches)79%high
March Weather15°C (60°F)120 mm (4.7 inches)78%very high
April Weather18°C (65°F)121 mm (4.8 inches)78%very high
May Weather23°C (74°F)177 mm (7.0 inches)81%extreme
June Weather27°C (81°F)86 mm (3.4 inches)78%extreme
July Weather29°C (85°F)50 mm (2.0 inches)73%extreme
August Weather29°C (85°F)98 mm (3.9 inches)66%extreme
September Weather26°C (79°F)92 mm (3.6 inches)65%very high
October Weather20°C (68°F)146 mm (5.8 inches)72%very high
November Weather13°C (56°F)58 mm (2.3 inches)82%high
December Weather11°C (51°F)67 mm (2.6 inches)87%moderate

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