September Weather in Buckeye, United States

Last updated: June 24, 2025

In September, the average temperature in Buckeye, United States is a balmy 32°C (89°F), with a slight chill at night reaching a minimum of 13°C (56°F). However, be prepared for the heat, as temperatures can soar to a sizzling 46°C (115°F)! During this time, you can expect 22 mm (0.9 in) of precipitation spread over 3 days, and an average humidity of 50% will keep the air feeling as warm as it is. Stay hydrated and enjoy the vibrancy of Buckeye!

September Temperature in Buckeye

In September in Buckeye, the average temperature is 32°C (89°F), with maximums reaching up to 46°C (115°F) and minimums dropping as low as 13°C (56°F). This wide range of temperatures means travelers should be prepared for both hot days and cooler evenings, making versatility in packing essential.

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

The chart illustrates September temperature patterns in Buckeye, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buckeye, September typically has an average temperature of 32°C (89°F), with highs reaching up to 46°C (115°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Buckeye

In Buckeye in September, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

September Precipitation Trends in Buckeye

The chart displays monthly precipitation patterns in Buckeye, 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 Buckeye, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 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 Buckeye

In Buckeye in September humidity is 50%. With an average temperature of 32°C (89°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit heavier but still enjoyable for travelers who are prepared to stay hydrated and take breaks in the shade.

September Average Humidity in Buckeye

This chart illustrates the average monthly humidity levels in Buckeye, 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 Buckeye is approximately 50%, 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 Buckeye

In Buckeye 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 Buckeye.

Maximum UV Index Levels in Buckeye for September

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

Data source: Buckeye 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 Buckeye Compares to Other Months

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

This table compares monthly weather conditions in Buckeye, 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 (56°F)	16 mm (0.6 inches)	73%	moderate
February Weather	15°C (59°F)	25 mm (1.0 inches)	76%	high
March Weather	19°C (66°F)	22 mm (0.9 inches)	65%	very high
April Weather	24°C (76°F)	1 mm (0.0 inches)	50%	extreme
May Weather	27°C (82°F)	2 mm (0.1 inches)	33%	extreme
June Weather	33°C (92°F)	3 mm (0.1 inches)	28%	extreme
July Weather	35°C (96°F)	33 mm (1.3 inches)	28%	extreme
August Weather	35°C (95°F)	32 mm (1.3 inches)	33%	extreme
September Weather	32°C (89°F)	22 mm (0.9 inches)	50%	very high
October Weather	25°C (77°F)	18 mm (0.7 inches)	61%	very high
November Weather	19°C (66°F)	11 mm (0.4 inches)	70%	moderate
December Weather	13°C (56°F)	18 mm (0.7 inches)	78%	moderate