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 is marked by a subtle drop in average high-temperatures, transitioning from a sweltering 102.6°F (39.2°C) in August to a still fiery hot 96.1°F (35.6°C). Throughout September, an average nighttime temperature of 79.3°F (26.3°C) is experienced.Humidity
In McVay, the average relative humidity in September is 27%.Rainfall
In McVay, during September, the rain falls for 6.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in McVay, there are 47.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:09 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 6:20 pm MST.
Sunshine
In McVay, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 7 during September leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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?
What time are sunrise and sunset in September?
How many hours of sunshine does McVay have in September?
What is the UV index intensity in September?
Average temperature in September
McVay, AZ
- Average high temperature in September: 96.1°F
The warmest month (with the highest average high temperature) is July (103.1°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in September: 79.3°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in September
McVay, AZ
- Average pressure in September: 29.79"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in September
McVay, AZ
- Average wind speed in September: 6.7mph
The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest months (with the lowest average wind speed) are January, November and December (6mph).
Average humidity in September
McVay, AZ
- Average humidity in September: 27%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
McVay, AZ
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in September
McVay, AZ
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is May (1.4 days).
Average daylight in September /
Average sunshine in September
McVay, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
McVay, AZ
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is August (19.5 days).
Average UV index in September
McVay, 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
McVay, AZ
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
McVay, 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).
McVay, Arizona, USA
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