September weather forecastMcNary, AZ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in McNary, Arizona, with an average temperature ranging between min 54.5°F (12.5°C) and max 76.6°F (24.8°C).Temperature
As August makes way for September, McNary's average high-temperature eases from 82°F (27.8°C) to a still warm 76.6°F (24.8°C). Against the high September temperatures, McNary records an average drop to a fresh 54.5°F (12.5°C) at night.Humidity
The average relative humidity in September in McNary is 47%.Rainfall
In McNary, in September, it is raining for 8.8 days, with typically 0.79" (20mm) of accumulated precipitation. In McNary, during the entire year, the rain falls for 71.1 days and collects up to 9.96" (253mm) of precipitation.Snowfall
In McNary, snow does not fall in June through September.Daylight
In McNary, Arizona, the average length of the day in September is 12h and 22min.On the first day of September in McNary, sunrise is at 5:53 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:04 pm MST.
Sunshine
The average sunshine in September is 10.3h.UV index
In McNary, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McNary, AZ
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).
Average pressure in September
McNary, AZ
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
McNary, AZ
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
McNary, AZ
- Average humidity in September: 47%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).
Average rainfall in September
McNary, AZ
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in September
McNary, AZ
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in September
McNary, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
McNary, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McNary, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 18min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
McNary, AZ
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
McNary, AZ
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
McNary, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in September
McNary, 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).
