Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September is marked by an average high-temperature of a warm 85.3°F (29.6°C), bearing a close resemblance to August. In Arizona Sun Sites, September is marked by an average low-temperature of 65.7°F (18.7°C).Heat index
The heat index for September is estimated at a hot 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 44%.Rainfall
In Arizona Sun Sites, during September, the rain falls for 10 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 76.9 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
In Arizona Sun Sites, snow does not fall in March through November.Daylight
In Arizona Sun Sites, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 5:55 am and sunset at 6:43 pm. On the last day of September, in Arizona Sun Sites, sunrise is at 6:13 am and sunset at 6:05 pm MST.
Sunshine
The average sunshine in September in Arizona Sun Sites is 10h.UV index
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 risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Arizona Sun Sites during September?
What is the average humidity in September in Arizona Sun Sites?
How much does it rain in Arizona Sun Sites in September?
When it does not snow in Arizona Sun Sites?
How many hours of daylight does Arizona Sun Sites have in September?
What time are sunrise and sunset in September in Arizona Sun Sites?
How long on average sun shines in September in Arizona Sun Sites?
What is the UV index reading in September in Arizona Sun Sites?
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).
Average pressure in September
Arizona Sun Sites, AZ
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
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).
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%).
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").
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).
Average snowfall in September
Arizona Sun Sites, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Arizona Sun Sites, AZ
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Arizona Sun Sites, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
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).
Average UV index in September
Arizona Sun Sites, AZ
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Arizona Sun Sites, AZ
- Average cloud cover in September: 15
The 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).
Average visibility in September
Arizona Sun Sites, 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).
Arizona Sun Sites, Arizona, USA
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