September weather forecast
Chandler, AZ

Weather in September

September, the first month of the autumn in Chandler, is still a very hot month, with an average temperature fluctuating between 95.9°F (35.5°C) and 77.5°F (25.3°C).

Temperature

In Chandler, the average high-temperature in September marginally drops from a torrid 101.3°F (38.5°C) in August to a still very hot 95.9°F (35.5°C). In Chandler, in September, the average low-temperature is 77.5°F (25.3°C).

Humidity

In September, the average relative humidity in Chandler is 31%.

Rainfall

In Chandler, Arizona, in September, it is raining for 7.7 days, with typically 0.98" (25mm) of accumulated precipitation. In Chandler, during the entire year, the rain falls for 60.4 days and collects up to 8.15" (207mm) of precipitation.

Daylight

The average length of the day in September in Chandler is 12h and 22min.
On the first day of the month, sunrise is at 6:01 am and sunset at 6:53 pm. On the last day of September, in Chandler, Arizona, sunrise is at 6:20 am and sunset at 6:13 pm MST.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Chandler?

In Chandler, Arizona, in September, the average high-temperature is 95.9°F (35.5°C), and the average low-temperature is 77.5°F (25.3°C).

What is the average humidity in September in Chandler?

In Chandler, Arizona, the average relative humidity in September is 31%.

How much does it rain in Chandler in September?

In September, in Chandler, Arizona, the rain falls for 7.7 days. Throughout September, 0.98" (25mm) of precipitation is accumulated.

How many hours of daylight does Chandler have in September?

In September, the average day length in Chandler is 12h and 22min.

What time are sunrise and sunset in September in Chandler?

On the first day of September in Chandler, Arizona, sunrise is at 6:01 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:13 pm MST.

How long on average sun shines in September in Chandler?

The average sunshine duration in September in Chandler, Arizona, is 9.6h.

What is the UV index reading in September in Chandler?

The average daily maximum UV index in September in Chandler is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chandler, AZ

Average temperature in September - Chandler, AZ
  • Average high temperature in September: 95.9°F

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in September: 77.5°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).

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Average pressure in September
Chandler, AZ

Average pressure in September - Chandler, AZ
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

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Average wind speed in September
Chandler, AZ

Average wind speed in September - Chandler, AZ
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

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Average humidity in September
Chandler, AZ

Average humidity in September - Chandler, AZ
  • Average humidity in September: 31%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (16%).

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Average rainfall in September
Chandler, AZ

Average rainfall in September - Chandler, AZ
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
Chandler, AZ

Average rainfall days in September - Chandler, AZ
  • Average rainfall days in September: 7.7 days

The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is June (1.1 days).

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Average daylight in September /
Average sunshine in September
Chandler, AZ

Average daylight in September / Average sunshine in September - Chandler, AZ
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 19min).
The month with the shortest days is December (Average daylight: 9h and 59min).

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Chandler, AZ

Average sunshine days in September - Chandler, AZ
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.3 days).

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Average UV index in September
Chandler, AZ

Average UV index in September - Chandler, AZ
  • Average UV index in September: 7

The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Chandler, AZ

Average cloud cover in September - Chandler, AZ
  • Average cloud cover in September: 11

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Chandler, AZ

Average visibility in September - Chandler, AZ
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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