September weather forecastSun Lakes, AZ
September
Weather in September
The first month of the autumn, September, is also a sweltering month in Sun Lakes, Arizona, with an average temperature ranging between min 77.7°F (25.4°C) and max 95.9°F (35.5°C).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from 101.7°F (38.7°C) in August to a still fiery hot 95.9°F (35.5°C). During the month of September, Sun Lakes's nighttime temperature lowers to an average of 77.7°F (25.4°C).Humidity
The average relative humidity in September in Sun Lakes is 32%.Rainfall
In Sun Lakes, during September, the rain falls for 7.4 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Sun Lakes, Arizona, during the entire year, the rain falls for 57.4 days and collects up to 7.48" (190mm) of precipitation.Daylight
The average length of the day in September in Sun Lakes is 12h and 22min.On the first day of September in Sun Lakes, sunrise is at 6:02 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:12 pm MST.
Sunshine
In September, the average sunshine in Sun Lakes is 9.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sun Lakes, 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 (62.8°F).
- Average low temperature in September: 77.7°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in September
Sun Lakes, 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 (29.81"Hg).
Average wind speed in September
Sun Lakes, AZ
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).
Average humidity in September
Sun Lakes, AZ
- Average humidity in September: 32%
The months with the highest relative humidity are January and December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Sun Lakes, AZ
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (1.02").
The driest months (with the least rainfall) are May and June (0.08").
Average rainfall days in September
Sun Lakes, AZ
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in September /
Average sunshine in September
Sun Lakes, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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).
Average sunshine days in September
Sun Lakes, AZ
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in September
Sun Lakes, 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).
Average cloud cover in September
Sun Lakes, 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).
Average visibility in September
Sun Lakes, 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).





