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 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
With the onset of September, the average high-temperature stands at a hot 91.2°F (32.9°C), closely aligned with August's 95.5°F (35.3°C). In Ali Ak Chin, the average nighttime temperature during September is a moderately hot 73.6°F (23.1°C).Humidity
In September, the average relative humidity is 39%.Rainfall
In Ali Ak Chin, in September, it is raining for 7.4 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 52.9 rainfall days, and 6.46" (164mm) of precipitation is accumulated.Daylight
In Ali Ak Chin, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:06 am and sunset at 6:53 pm. On the last day of September, sunrise is at 6:23 am and sunset at 6:15 pm MST.
Sunshine
The average sunshine in September is 9.7h.UV index
In Ali Ak Chin, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ali Ak Chin have in September?
How high is the UV index in September?
Average temperature in September
Ali Ak Chin, AZ
- Average high temperature in September: 91.2°F
The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in September: 73.6°F
The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in September
Ali Ak Chin, AZ
- Average pressure in September: 29.83"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in September
Ali Ak Chin, AZ
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
Ali Ak Chin, AZ
- Average humidity in September: 39%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Ali Ak Chin, AZ
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Ali Ak Chin, AZ
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).
Average daylight in September /
Average sunshine in September
Ali Ak Chin, 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: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Ali Ak Chin, AZ
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).
Average UV index in September
Ali Ak Chin, AZ
- Average UV index in September: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Ali Ak Chin, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Ali Ak Chin, 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).
Ali Ak Chin, Arizona, USA
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