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September Weather in Gloster, United States

Last updated: June 24, 2025

In September, the average temperature in Gloster, United States hovers around 26°C (79°F). While the mercury can dip as low as 11°C (53°F), it may also rocket up to 38°C (101°F). Visitors should be prepared for occasional rain, as the region sees about 123 mm (4.9 in) of precipitation over 11 days, contributing to the relatively high average humidity of 79%.

September Temperature in Gloster

In September in Gloster, the average temperature is 26°C (79°F). Maximum temperatures can reach 38°C (101°F), while minimum temperatures can drop to as low as 11°C (53°F). Pack for warm weather, but be prepared for cooler evenings if you plan to travel during this time.

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

The chart illustrates September temperature patterns in Gloster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gloster, 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 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec505662667479818178705754
Data source: Temperature data for Gloster 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 Gloster

In Gloster in September, the precipitation amount reaches 123 mm (4.9 in) over the course of 11 days.

September Precipitation Trends in Gloster

The chart displays monthly precipitation patterns in Gloster, 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 Gloster, September typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12212811216817815716714612310987139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gloster

In Gloster in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Gloster

This chart illustrates the average monthly humidity levels in Gloster, 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 Gloster is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gloster

In Gloster 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 Gloster.

Maximum UV Index Levels in Gloster for September

The chart shows the monthly maximum UV Index (UVI) for Gloster 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 Gloster typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110864
Data source: Gloster 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 Gloster Compares to Other Months

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

This table compares monthly weather conditions in Gloster, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)122 mm (4.8 inches)83%moderate
February Weather13°C (56°F)128 mm (5.0 inches)83%very high
March Weather17°C (63°F)112 mm (4.4 inches)80%very high
April Weather19°C (66°F)168 mm (6.6 inches)81%extreme
May Weather23°C (75°F)178 mm (7.0 inches)81%extreme
June Weather26°C (79°F)157 mm (6.2 inches)78%extreme
July Weather27°C (81°F)167 mm (6.6 inches)79%extreme
August Weather27°C (81°F)146 mm (5.8 inches)79%extreme
September Weather26°C (79°F)123 mm (4.9 inches)79%very high
October Weather21°C (70°F)109 mm (4.3 inches)77%very high
November Weather14°C (58°F)87 mm (3.4 inches)85%high
December Weather12°C (54°F)139 mm (5.5 inches)88%moderate

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