September weather forecastSundad, AZ
September
Weather in September
The first month of the autumn, September, is also a fiery hot month in Sundad, Arizona, with temperature in the range of an average high of 96.6°F (35.9°C) and an average low of 79.5°F (26.4°C).Temperature
Sundad's shift into September sets the average high-temperature at a still sweltering 96.6°F (35.9°C), a figure that deviates only slightly from August's 101.5°F (38.6°C). Sundad records an average temperature drop to a warm 79.5°F (26.4°C) in September.Humidity
In Sundad, the average relative humidity in September is 30%.Rainfall
In Sundad, during September, the rain falls for 7.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Sundad, during the entire year, the rain falls for 57.6 days and collects up to 6.61" (168mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:07 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:18 pm MST.
Sunshine
The average sunshine in September is 9.7h.UV index
In Sundad, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sundad, AZ
- Average high temperature in September: 96.6°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 (63.1°F).
- Average low temperature in September: 79.5°F
The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).
Average pressure in September
Sundad, AZ
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in September
Sundad, AZ
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in September
Sundad, AZ
- Average humidity in September: 30%
The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Sundad, AZ
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").
Average rainfall days in September
Sundad, AZ
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).
Average daylight in September /
Average sunshine in September
Sundad, 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 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Sundad, AZ
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Sundad, 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).
Average cloud cover in September
Sundad, AZ
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Sundad, 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).





