September Weather in Gray, United States

Last updated: June 24, 2025

In September, the average temperature in Gray, United States is a warm 26°C (80°F), with minimums dipping to 14°C (58°F) and maximums soaring to 35°C (95°F). Expect some rain as 180 mm (7.1 in) of precipitation spreads over 18 days, paired with an average humidity of 79%. Perfect for enjoying the tropical vibes while staying refreshed!

September Temperature in Gray

In September in Gray, the average temperature is 26°C (80°F). Maximums can reach 35°C (95°F), and minimums can be as low as 14°C (58°F). This makes it an ideal time for travelers seeking warm weather with comfortable evenings.

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

The chart illustrates September temperature patterns in Gray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gray, September typically has an average temperature of 26°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 14°C (58°F).

Data source: Temperature data for Gray generated using information from the Copernicus Climate Change Service.

September Precipitation in Gray

In Gray in September, the precipitation amount is 180 mm (7.1 in) over the course of 18 days.

September Precipitation Trends in Gray

The chart displays monthly precipitation patterns in Gray, 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 Gray, September typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Gray

In Gray in September, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

September Average Humidity in Gray

This chart illustrates the average monthly humidity levels in Gray, 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 Gray is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gray

In Gray 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 Gray.

Maximum UV Index Levels in Gray for September

The chart shows the monthly maximum UV Index (UVI) for Gray 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 Gray typically reaches 10, which falls under the very high exposure category.

Data source: Gray 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 Gray Compares to Other Months

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

This table compares monthly weather conditions in Gray, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	87 mm (3.4 inches)	81%	moderate
February Weather	16°C (61°F)	98 mm (3.9 inches)	81%	very high
March Weather	19°C (66°F)	71 mm (2.8 inches)	79%	very high
April Weather	21°C (70°F)	107 mm (4.2 inches)	81%	extreme
May Weather	25°C (77°F)	147 mm (5.8 inches)	77%	extreme
June Weather	27°C (81°F)	221 mm (8.7 inches)	74%	extreme
July Weather	28°C (82°F)	244 mm (9.6 inches)	74%	extreme
August Weather	28°C (82°F)	232 mm (9.1 inches)	73%	extreme
September Weather	26°C (80°F)	180 mm (7.1 inches)	79%	very high
October Weather	23°C (73°F)	131 mm (5.2 inches)	77%	very high
November Weather	16°C (62°F)	60 mm (2.4 inches)	81%	high
December Weather	14°C (58°F)	92 mm (3.6 inches)	84%	moderate