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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 102°F (38.9°C) in August to a still torrid 96.4°F (35.8°C). During September, Avondale experiences a consistent low-temperature average of 78.1°F (25.6°C).Humidity
In Avondale, the average relative humidity in September is 30%.Rainfall
The months with the most rainfall are August through October, with an average 1.14" (29mm) 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 6:04 am and sunset at 6:54 pm. On the last day of September, sunrise is at 6:23 am and sunset at 6:14 pm MST.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
What is the wettest month?
How many days does it rain in September?
How many hours of daylight does Avondale have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Avondale?
Average temperature in September
Avondale, AZ
- Average high temperature in September: 96.4°F
The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in September: 78.1°F
The month with the highest average low temperature is August (84.2°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in September
Avondale, AZ
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in September
Avondale, AZ
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in September
Avondale, AZ
- Average humidity in September: 30%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Avondale, AZ
- Average rainfall in September: 1.14"
The wettest months (with the highest rainfall) are August, September and October (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Avondale, AZ
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is June (0.9 days).
Average daylight in September /
Average sunshine in September
Avondale, AZ
- Average daylight in September: 12h and 2min
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 4min
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
Avondale, AZ
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is August (18 days).
Average UV index in September
Avondale, 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
Avondale, AZ
- Average cloud cover in September: 10
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
Avondale, 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).
Avondale, Arizona, USA
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