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 onset brings a negligible change in high-temperatures, falling from a fiery hot 102°F (38.9°C) in August to a still very hot 96.4°F (35.8°C). Throughout the month of September, Arlington sees a steady low-temperature average of 78.1°F (25.6°C).Humidity
In Arlington, the average relative humidity in September is 30%.Rainfall
The wettest months are August through October, with an average 1.14" (29mm) of rainfall.Daylight
In Arlington, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:05 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 6:16 pm MST.
Sunshine
In Arlington, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot does it get in Arlington in September?
What is the average humidity in September in Arlington?
What is the wettest month in Arlington?
How much does it rain in Arlington in September?
What is the average length of the day in September in Arlington?
When are sunrise and sunset in September in Arlington?
How long on average sun shines in September in Arlington?
What is the UV index intensity in September in Arlington?
Average temperature in September
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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
Arlington, 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).
Arlington, Arizona, USA
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