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September Weather in Chandler, United States

Last updated: June 24, 2025

In September, the average temperature in Chandler, United States is a pleasant 24°C (76°F). Expect a range of temperatures, with lows dipping to 8°C (47°F) and highs soaring up to 38°C (101°F). During this month, you can anticipate around 86 mm (3.4 in) of precipitation spread over 7 days, contributing to an average humidity of 64%. Enjoy the balanced climate as you explore all that Chandler has to offer!

September Temperature in Chandler

In September in Chandler, the average temperature is 24°C (76°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 8°C (47°F). Be prepared for warm days and cool evenings, making it ideal for both outdoor activities and cozy nights.

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

The chart illustrates September temperature patterns in Chandler, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chandler, September typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394154597079838176625044
Data source: Temperature data for Chandler 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 Chandler

In Chandler in September, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

September Precipitation Trends in Chandler

The chart displays monthly precipitation patterns in Chandler, 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 Chandler, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5849861451351099278861103635
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chandler

In Chandler in September, humidity is 64%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable but still enjoyable, as you may find yourself yearning for a refreshing breeze or a quick dip in the water.

September Average Humidity in Chandler

This chart illustrates the average monthly humidity levels in Chandler, 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 Chandler is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chandler

In Chandler in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Chandler.

Maximum UV Index Levels in Chandler for September

The chart shows the monthly maximum UV Index (UVI) for Chandler 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 Chandler typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Chandler 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 Chandler Compares to Other Months

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

This table compares monthly weather conditions in Chandler, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)58 mm (2.3 inches)79%moderate
February Weather5°C (41°F)49 mm (1.9 inches)78%high
March Weather12°C (54°F)86 mm (3.4 inches)75%high
April Weather15°C (60°F)145 mm (5.7 inches)75%very high
May Weather21°C (70°F)135 mm (5.3 inches)83%very high
June Weather26°C (79°F)109 mm (4.3 inches)81%extreme
July Weather28°C (83°F)92 mm (3.6 inches)78%extreme
August Weather27°C (81°F)78 mm (3.1 inches)68%very high
September Weather24°C (76°F)86 mm (3.4 inches)64%very high
October Weather17°C (62°F)110 mm (4.3 inches)71%high
November Weather10°C (51°F)36 mm (1.4 inches)82%moderate
December Weather7°C (44°F)35 mm (1.4 inches)87%moderate

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