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 snowfall in September
- Average snowfall 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 signifies a gentle decline in Second Mesa's average high-temperature, easing from a tropical 87.6°F (30.9°C) in August to a warm 80.8°F (27.1°C). Second Mesa reports a consistent average low-temperature of 61.7°F (16.5°C) throughout September nights.Humidity
In Second Mesa, the average relative humidity in September is 32%.Rainfall
In Second Mesa, during September, the rain falls for 4.1 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Second Mesa, during the entire year, the rain falls for 57 days and collects up to 4.92" (125mm) of precipitation.Snowfall
May through September are months without snowfall in Second Mesa.Daylight
In Second Mesa, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 5:54 am and sunset at 6:48 pm. On the last day of September, in Second Mesa, sunrise is at 6:16 am and sunset at 6:06 pm MST.
Sunshine
In Second Mesa, the average sunshine in September is 10.1h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Second Mesa?
What is the average humidity in September in Second Mesa?
How many days does it rain in September in Second Mesa?
When it does not snow in Second Mesa?
Does it snow in Second Mesa in September?
How many hours of daylight does Second Mesa have in September?
When is the sunrise / sunset in September in Second Mesa?
How long on average sun shines in September in Second Mesa?
How high is the UV index in September in Second Mesa?
Average temperature in September
Second Mesa, AZ
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Second Mesa, AZ
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Second Mesa, AZ
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in September
Second Mesa, AZ
- Average humidity in September: 32%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Second Mesa, AZ
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is January (0.59").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Second Mesa, AZ
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is July (6.5 days).
The month with the least rainy days is June (2.6 days).
Average snowfall in September
Second Mesa, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Second Mesa, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Second Mesa, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Second Mesa, AZ
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is June (26.7 days).
The month with the least sunshine days is February (20.7 days).
Average UV index in September
Second Mesa, AZ
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Second Mesa, AZ
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and September (Cloud cover 8).
Average visibility in September
Second Mesa, 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).
Second Mesa, Arizona, USA
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