September weather forecast and climate
Arizona Sun Sites, AZ

Weather in September

The first month of the autumn, September, is still a warm month in Arizona Sun Sites, Arizona, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 65.7°F (18.7°C).

Temperature

In Arizona Sun Sites, the average high-temperature in September is practically the same as in August - a warm 85.3°F (29.6°C). In September, in Arizona Sun Sites, the average low-temperature is 65.7°F (18.7°C).

Heat index

In September, the average heat index is estimated at 85.5°F (29.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like metabolic differences, wind, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity is 44%.

Rainfall

In Arizona Sun Sites, during 10 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Arizona Sun Sites, during the entire year, the rain falls for 76.9 days and collects up to 10.28" (261mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

In Arizona Sun Sites, Arizona, the average length of the day is 12.3h.

Sunshine

The average sunshine in Arizona Sun Sites, Arizona, is 10h.

UV index

In Arizona Sun Sites, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Arizona Sun Sites?

The average high-temperature, in September, in Arizona Sun Sites, is 85.3°F (29.6°C), while the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines air temperature and relative humidity, in September is estimated at 85.5°F (29.7°C).

What is the average humidity in September in Arizona Sun Sites?

The average relative humidity in September in Arizona Sun Sites is 44%.

How much does it rain in Arizona Sun Sites in September?

In Arizona Sun Sites, Arizona, during September, the rain falls for 10 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Arizona Sun Sites?

March through November are months without snowfall in Arizona Sun Sites, Arizona.

What is the average length of the day in September in Arizona Sun Sites?

The average length of the day in September in Arizona Sun Sites is 12.3h.

How long on average sun shines in September in Arizona Sun Sites?

In Arizona Sun Sites, the average sunshine in September is 10h.

What is the UV index reading in September in Arizona Sun Sites?

In Arizona Sun Sites, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Arizona Sun Sites, AZ

Average temperature in September - Arizona Sun Sites, AZ
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).

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Average pressure in September
Arizona Sun Sites, AZ

Average pressure in September - Arizona Sun Sites, AZ
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in September
Arizona Sun Sites, AZ

Average wind speed in September - Arizona Sun Sites, AZ
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Arizona Sun Sites, AZ

Average humidity in September - Arizona Sun Sites, AZ
  • Average humidity in September: 44%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in September
Arizona Sun Sites, AZ

Average rainfall in September - Arizona Sun Sites, AZ
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").

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Average rainfall days in September
Arizona Sun Sites, AZ

Average rainfall days in September - Arizona Sun Sites, AZ
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).

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Average snowfall in September
Arizona Sun Sites, AZ

Average snowfall in September - Arizona Sun Sites, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.79").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Arizona Sun Sites, AZ

Average snowfall days in September - Arizona Sun Sites, AZ
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (0.5 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Arizona Sun Sites, AZ

Average daylight in September / Average sunshine in September - Arizona Sun Sites, AZ
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 10h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in September
Arizona Sun Sites, AZ

Average sunshine days in September - Arizona Sun Sites, AZ
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in September
Arizona Sun Sites, AZ

Average UV index in September - Arizona Sun Sites, AZ
  • Average UV index in September: 6

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in September
Arizona Sun Sites, AZ

Average cloud cover in September - Arizona Sun Sites, AZ
  • Average cloud cover in September: 15

Months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).

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Average visibility in September
Arizona Sun Sites, AZ

Average visibility in September - Arizona Sun Sites, AZ
  • Average visibility in September: 6mi

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

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