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September Weather in Glendale, United States

Last updated: June 24, 2025

In September, the average temperature in Glendale, United States is a pleasant 16°C (62°F). While the mercury can dip as low as 0°C (33°F), it can also rise to a scorching 38°C (101°F). This month typically sees about 52 mm (2.0 in) of precipitation over 5 days, with an average humidity of 66%. Whether you're basking in the warmth or seeking shelter from a brief shower, Glendale offers a diverse climate experience!

September Temperature in Glendale

In September in Glendale, the average temperature is 16°C (62°F). Maximums can reach 38°C (101°F) and minimums can be as low as 0°C (33°F). Be prepared for a wide range of temperatures when traveling to Glendale during this time, so pack accordingly!

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

The chart illustrates September temperature patterns in Glendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glendale, September typically has an average temperature of 16°C (62°F), with highs reaching up to 38°C (101°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec393943485461676862524438
Data source: Temperature data for Glendale 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 Glendale

In Glendale in September, the precipitation amount is 52 mm (2.0 in) over a span of 5 days.

September Precipitation Trends in Glendale

The chart displays monthly precipitation patterns in Glendale, 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 Glendale, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1621861301115928165258113146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Glendale

In Glendale in September, humidity is 66%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace, creating a comfortable atmosphere for traveling while encouraging light layers and hydration during your adventures.

September Average Humidity in Glendale

This chart illustrates the average monthly humidity levels in Glendale, 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 Glendale is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Glendale

In Glendale in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Glendale.

Maximum UV Index Levels in Glendale for September

The chart shows the monthly maximum UV Index (UVI) for Glendale 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 Glendale typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108642
Data source: Glendale 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 Glendale Compares to Other Months

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

This table compares monthly weather conditions in Glendale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)162 mm (6.4 inches)84%moderate
February Weather4°C (39°F)186 mm (7.3 inches)85%moderate
March Weather6°C (43°F)130 mm (5.1 inches)86%high
April Weather9°C (48°F)111 mm (4.4 inches)83%very high
May Weather12°C (55°F)59 mm (2.3 inches)83%very high
June Weather16°C (61°F)28 mm (1.1 inches)83%extreme
July Weather20°C (68°F)1 mm (0.0 inches)78%very high
August Weather20°C (68°F)6 mm (0.3 inches)67%very high
September Weather16°C (62°F)52 mm (2.0 inches)66%very high
October Weather11°C (52°F)58 mm (2.3 inches)77%high
November Weather7°C (45°F)113 mm (4.4 inches)87%moderate
December Weather3°C (38°F)146 mm (5.7 inches)87%low

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