September Weather in Hayes, United States

Last updated: June 24, 2025

In {Hayes}, {United States}, the average temperature in {September} hovers around 27°C (80°F). Expect a range that dips to a minimum of 15°C (60°F) and peaks at a warm 34°C (94°F). During this month, anticipate 169 mm (6.7 in) of precipitation spread across 14 days, with humidity levels averaging a comfortable 75%.

September Temperature in Hayes

In September in Hayes, the average temperature is 27°C (80°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 15°C (60°F). This weather makes it an ideal time for outdoor activities and exploring the area's attractions.

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

The chart illustrates September temperature patterns in Hayes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayes, September typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Hayes

In Hayes in September, the precipitation amount is 169 mm (6.7 in) over a span of 14 days.

September Precipitation Trends in Hayes

The chart displays monthly precipitation patterns in Hayes, 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 Hayes, September typically receives around 169 mm (6.7 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Hayes

In Hayes in September humidity is 75%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as every step can leave you feeling sticky and in need of frequent hydration breaks.

September Average Humidity in Hayes

This chart illustrates the average monthly humidity levels in Hayes, 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 Hayes is approximately 75%, 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 Hayes

In Hayes 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 Hayes.

Maximum UV Index Levels in Hayes for September

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

Data source: Hayes 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 Hayes Compares to Other Months

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

This table compares monthly weather conditions in Hayes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	104 mm (4.1 inches)	79%	moderate
February Weather	15°C (59°F)	102 mm (4.0 inches)	80%	very high
March Weather	18°C (66°F)	60 mm (2.4 inches)	78%	very high
April Weather	21°C (70°F)	154 mm (6.1 inches)	81%	very high
May Weather	25°C (77°F)	170 mm (6.7 inches)	79%	extreme
June Weather	27°C (82°F)	160 mm (6.3 inches)	75%	extreme
July Weather	28°C (83°F)	158 mm (6.2 inches)	74%	extreme
August Weather	28°C (83°F)	185 mm (7.3 inches)	73%	extreme
September Weather	27°C (80°F)	169 mm (6.7 inches)	75%	very high
October Weather	23°C (73°F)	122 mm (4.8 inches)	75%	very high
November Weather	16°C (61°F)	81 mm (3.2 inches)	79%	high
December Weather	14°C (58°F)	111 mm (4.4 inches)	83%	moderate