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September Weather in Avondale, United States

Last updated: June 24, 2025

In September, the average temperature in Avondale, United States reaches a comfortable 22°C (72°F). However, temperatures can swing from a chilly 1°C (34°F) to a sizzling 39°C (102°F). Expect some light rain, with an average precipitation amount of 16 mm (0.6 in) over just 3 days. Humidity stays relatively high at 79%, adding to the area's unique climate.

September Temperature in Avondale

In September in Avondale, the average temperature is 22°C (72°F). Maximums can reach 39°C (102°F), while minimums can drop as low as 1°C (34°F). This varied climate makes Avondale an ideal destination for travelers seeking both warmth and cooler experiences.

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

The chart illustrates September temperature patterns in Avondale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avondale, September typically has an average temperature of 22°C (72°F), with highs reaching up to 39°C (102°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343547546376797772534436
Data source: Temperature data for Avondale 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 Avondale

In Avondale in September, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

September Precipitation Trends in Avondale

The chart displays monthly precipitation patterns in Avondale, 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 Avondale, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec15143229652256351622118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Avondale

In Avondale in September humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

September Average Humidity in Avondale

This chart illustrates the average monthly humidity levels in Avondale, 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 Avondale is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%66%62%74%76%75%80%79%77%74%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Avondale

In Avondale 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 Avondale.

Maximum UV Index Levels in Avondale for September

The chart shows the monthly maximum UV Index (UVI) for Avondale 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 Avondale typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101112121110753
Data source: Avondale 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 Avondale Compares to Other Months

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

This table compares monthly weather conditions in Avondale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)15 mm (0.6 inches)74%moderate
February Weather2°C (35°F)14 mm (0.5 inches)75%moderate
March Weather8°C (47°F)32 mm (1.2 inches)66%very high
April Weather12°C (54°F)29 mm (1.1 inches)62%very high
May Weather17°C (63°F)65 mm (2.6 inches)74%extreme
June Weather24°C (76°F)22 mm (0.9 inches)76%extreme
July Weather26°C (79°F)56 mm (2.2 inches)75%extreme
August Weather25°C (77°F)35 mm (1.4 inches)80%extreme
September Weather22°C (72°F)16 mm (0.6 inches)79%very high
October Weather12°C (54°F)22 mm (0.9 inches)77%high
November Weather6°C (44°F)11 mm (0.4 inches)74%moderate
December Weather2°C (36°F)8 mm (0.3 inches)80%moderate

Compare Avondale's Climate with Cities Worldwide