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September Weather in Gilmer, United States

Last updated: June 24, 2025

In September, the average temperature in Gilmer, United States is a warm 26°C (79°F). Visitors can expect a range from a cool 10°C (50°F) to a sizzling 38°C (101°F). During this time, the region typically receives about 100 mm (3.9 in) of precipitation over 9 days, contributing to an average humidity of 65%. Whether you're exploring the sights or enjoying outdoor activities, be prepared for a blend of sun and occasional showers!

September Temperature in Gilmer

In September in Gilmer, the average temperature is 26°C (79°F), with maximums reaching as high as 38°C (101°F) and minimums dropping to as low as 10°C (50°F). Travelers should be prepared for warm days and cool nights during their visit.

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

The chart illustrates September temperature patterns in Gilmer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gilmer, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec475060647380838379685652
Data source: Temperature data for Gilmer 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 Gilmer

In Gilmer in September, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

September Precipitation Trends in Gilmer

The chart displays monthly precipitation patterns in Gilmer, 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 Gilmer, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec111150132152159109767310011173123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gilmer

In Gilmer 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 Gilmer

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

In Gilmer 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 Gilmer.

Maximum UV Index Levels in Gilmer for September

The chart shows the monthly maximum UV Index (UVI) for Gilmer 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 Gilmer typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Gilmer 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 Gilmer Compares to Other Months

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

This table compares monthly weather conditions in Gilmer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)111 mm (4.4 inches)80%moderate
February Weather10°C (50°F)150 mm (5.9 inches)79%high
March Weather15°C (60°F)132 mm (5.2 inches)78%very high
April Weather18°C (65°F)152 mm (6.0 inches)78%very high
May Weather23°C (74°F)159 mm (6.3 inches)81%extreme
June Weather27°C (80°F)109 mm (4.3 inches)78%extreme
July Weather29°C (84°F)76 mm (3.0 inches)73%extreme
August Weather29°C (84°F)73 mm (2.9 inches)66%extreme
September Weather26°C (79°F)100 mm (3.9 inches)65%very high
October Weather20°C (68°F)111 mm (4.4 inches)72%very high
November Weather13°C (56°F)73 mm (2.9 inches)82%high
December Weather11°C (52°F)123 mm (4.8 inches)87%moderate

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