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September Weather in Coolidge, United States

Last updated: June 24, 2025

In September, the average temperature in Coolidge, United States is a warm 27°C (81°F). You'll experience temperatures ranging from a cool 11°C (51°F) at night to a scorching 39°C (103°F) during the day. Expect around 84 mm (3.3 in) of precipitation over 9 days, with the average humidity sitting comfortably at 69%.

September Temperature in Coolidge

In September in Coolidge, the average temperature is 27°C (81°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 11°C (51°F). Be sure to pack lightweight clothes for the daytime and a warmer layer for the cooler evenings if you're traveling during this time.

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

The chart illustrates September temperature patterns in Coolidge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coolidge, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec495162677582868681705954
Data source: Temperature data for Coolidge 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 Coolidge

In Coolidge in September, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

September Precipitation Trends in Coolidge

The chart displays monthly precipitation patterns in Coolidge, 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 Coolidge, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec689489104171766388841236169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coolidge

In Coolidge in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Coolidge

This chart illustrates the average monthly humidity levels in Coolidge, 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 Coolidge is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coolidge

In Coolidge 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 Coolidge.

Maximum UV Index Levels in Coolidge for September

The chart shows the monthly maximum UV Index (UVI) for Coolidge 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 Coolidge typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112121110864
Data source: Coolidge 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 Coolidge Compares to Other Months

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

This table compares monthly weather conditions in Coolidge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)68 mm (2.7 inches)79%moderate
February Weather11°C (51°F)94 mm (3.7 inches)80%high
March Weather17°C (62°F)89 mm (3.5 inches)78%very high
April Weather19°C (67°F)104 mm (4.1 inches)79%extreme
May Weather24°C (76°F)171 mm (6.7 inches)81%extreme
June Weather28°C (83°F)76 mm (3.0 inches)77%extreme
July Weather30°C (86°F)63 mm (2.5 inches)71%extreme
August Weather30°C (87°F)88 mm (3.5 inches)67%extreme
September Weather27°C (81°F)84 mm (3.3 inches)69%very high
October Weather21°C (70°F)123 mm (4.9 inches)73%very high
November Weather15°C (59°F)61 mm (2.4 inches)82%high
December Weather12°C (54°F)69 mm (2.7 inches)87%moderate

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