September weather forecast
Peoria, AZ

Weather in September

September, the first month of the autumn in Peoria, is also a sweltering month, with an average temperature fluctuating between 77.4°F (25.2°C) and 95°F (35°C).

Temperature

In Peoria, the average high-temperature in September marginally drops from a torrid 100.9°F (38.3°C) in August to a still very hot 95°F (35°C). The average low-temperature, is 77.4°F (25.2°C).

Humidity

In September, the average relative humidity in Peoria is 30%.

Rainfall

In Peoria, Arizona, during 6.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 59.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Daylight

In Peoria, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:03 am and sunset at 6:54 pm. On the last day of September, in Peoria, sunrise is at 6:22 am and sunset at 6:14 pm MST.

Sunshine

In Peoria, Arizona, the average sunshine in September is 9.7h.

UV index

In Peoria, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Peoria?

The average high-temperature, in September, in Peoria, is 95°F (35°C), while the average low-temperature is 77.4°F (25.2°C).

What is the average humidity in September in Peoria?

In Peoria, Arizona, the average relative humidity in September is 30%.

How much does it rain in Peoria in September?

In Peoria, in September, during 6.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

What is the average length of the day in September in Peoria?

The average day length in September in Peoria, Arizona, is 12h and 22min.

When are sunrise and sunset in September in Peoria?

On the first day of September in Peoria, sunrise is at 6:03 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 6:14 pm MST.

How long on average sun shines in September in Peoria?

In September, the average sunshine duration is 9.7h.

What is the UV index intensity in September in Peoria?

The average daily maximum UV index in September in Peoria 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Peoria, AZ

Average temperature in September - Peoria, AZ
  • Average high temperature in September: 95°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in September
Peoria, AZ

Average pressure in September - Peoria, AZ
  • Average pressure in September: 29.86"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

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Average wind speed in September
Peoria, AZ

Average wind speed in September - Peoria, AZ
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

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Average humidity in September
Peoria, AZ

Average humidity in September - Peoria, AZ
  • Average humidity in September: 30%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in September
Peoria, AZ

Average rainfall in September - Peoria, AZ
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
Peoria, AZ

Average rainfall days in September - Peoria, AZ
  • Average rainfall days in September: 6.7 days

The month with the highest number of rainy days is July (10.7 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
Peoria, AZ

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

The month with the longest days is June (Average daylight: 14h and 21min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in September: 9h and 42min

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
Peoria, AZ

Average sunshine days in September - Peoria, AZ
  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).

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Average UV index in September
Peoria, AZ

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

The months with the highest UV index are 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
Peoria, AZ

Average cloud cover in September - Peoria, AZ
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Peoria, AZ

Average visibility in September - Peoria, 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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