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 in Apache Junction comes with a mild decrease in the average high-temperature, moving subtly from a torrid 99.1°F (37.3°C) in August to a tropical 93.7°F (34.3°C). Throughout the nights in September, an average low-temperature of 75.4°F (24.1°C) is noted in Apache Junction.Humidity
In September, the average relative humidity in Apache Junction is 33%.Rainfall
In Apache Junction, in September, during 7.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 59.4 rainfall days, and 9.21" (234mm) of precipitation is accumulated.Daylight
In Apache Junction, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:00 am and sunset at 6:51 pm. On the last day of September, sunrise is at 6:20 am and sunset at 6:11 pm MST.
Sunshine
In Apache Junction, the average sunshine in September is 9.6h.UV index
In Apache Junction, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 7 in September translates into this advice:
Fend off overexposure. Sun protection is vital. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
How hot is it in Apache Junction in September?
What is the average humidity in September in Apache Junction?
How many days does it rain in September in Apache Junction?
How many hours of daylight does Apache Junction have in September?
When are sunrise and sunset in September in Apache Junction?
How long on average sun shines in September in Apache Junction?
What is the UV index reading in September in Apache Junction?
Average temperature in September
Apache Junction, AZ
- Average high temperature in September: 93.7°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in September: 75.4°F
The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (45°F).
Average pressure in September
Apache Junction, AZ
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Apache Junction, AZ
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is December (5mph).
Average humidity in September
Apache Junction, AZ
- Average humidity in September: 33%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Apache Junction, AZ
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Apache Junction, AZ
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is June (1.4 days).
Average daylight in September /
Average sunshine in September
Apache Junction, 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 months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Apache Junction, AZ
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Apache Junction, 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
Apache Junction, AZ
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Apache Junction, 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).
Apache Junction, Arizona, USA
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