September weather forecastSantan, AZ
September
Weather in September
September, the first month of the autumn in Santan, is still a torrid month, with temperature in the range of an average high of 95.9°F (35.5°C) and an average low of 77.7°F (25.4°C).Temperature
The average high-temperature shows a slight dip in September, from August's very hot 101.7°F (38.7°C) to a still torrid 95.9°F (35.5°C). In September, the recorded average low-temperature in Santan is a warm 77.7°F (25.4°C).Humidity
The average relative humidity in September is 32%.Rainfall
In Santan, during September, the rain falls for 7.4 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Santan, 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 is 12h and 22min.On the first day of the month, sunrise is at 6:02 am and sunset at 6:51 pm. On the last day of September, sunrise is at 6:21 am and sunset at 6:12 pm MST.
Sunshine
The average sunshine in September in Santan, Arizona, is 9.7h.UV index
In Santan, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 suggests this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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
Santan, 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).
