Glendale
Arizona, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Glendale, AZ

A bird
A bird's eye view of the scenic and watery landscape of Glendale town in Arizona
The first month of the autumn, September, is still a very hot month in Glendale, Arizona, with average temperature varying between 76.8°F (24.9°C) and 99.9°F (37.7°C).

Temperature

In Glendale, the average high-temperature in September is almost the same as in August - a torrid 99.9°F (37.7°C). In Glendale, the average low-temperature is 76.8°F (24.9°C).

Humidity

In September, the average relative humidity is 35.6%.

Rainfall

In Glendale, during 2.8 rainfall days, 0.6" (16.3mm) of precipitation is typically accumulated. Throughout the year, in Glendale, there are 36.6 rainfall days, and 8" (204mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 11h.

What is the temperature in September in Glendale?

In September, in Glendale, Arizona, the average high-temperature is 99.9°F (37.7°C), and the average low-temperature is 76.8°F (24.9°C).

What is the average humidity in September in Glendale?

In September, the average relative humidity is 35.6%.

How many days does it rain in September in Glendale?

In September, in Glendale, Arizona, the rain falls for 2.8 days. Throughout September, 0.6" (16.3mm) of precipitation is accumulated.

How many hours of daylight does Glendale have in September?

In Glendale, Arizona, the average length of the day in September is 12.4h.

How many hours of sunshine does Glendale have in September?

The average sunshine in September in Glendale, Arizona, is 11h.
Average temperature in September - Glendale, AZ
  • Average high temperature in September: 99.8°F

The warmest month (with the highest average high temperature) is July (106.1°F).
The month with the lowest average high temperature is December (66°F).

  • Average low temperature in September: 76.9°F

The month with the highest average low temperature is July (83.5°F).
The coldest month (with the lowest average low temperature) is December (44.8°F).

Average humidity in September - Glendale, AZ
  • Average humidity in September: 35.6%

The month with the highest relative humidity is December (51.8%).
The month with the lowest relative humidity is June (19.4%).

Average rainfall in September - Glendale, AZ
  • Average rainfall in September: 0.6"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the lowest rainfall) is June (0").

Average rainfall days in September - Glendale, AZ
  • Average rainfall days in September: 2.8 days

The month with the highest number of rainy days is August (5 days).
The month with the lowest number of rainy days is June (0.5 days).

Average daylight in September / Average sunshine in September - Glendale, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 11h

The month with most sunshine is June (Average sunshine: 13.6h).
The month with least sunshine is December (Average sunshine: 7.9h).