September weather forecastCanyon Day, AZ
September
Weather in September
The first month of the autumn, September, is still a warm month in Canyon Day, Arizona, with an average temperature fluctuating between 76.6°F (24.8°C) and 54.5°F (12.5°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from 82°F (27.8°C) in August to a still moderately hot 76.6°F (24.8°C). Throughout September, Canyon Day notes a dramatic plunge from the daily high to an average low-temperature of 54.5°F (12.5°C).Humidity
The average relative humidity in September is 47%.Rainfall
In Canyon Day, in September, during 8.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 71.1 rainfall days, and 9.96" (253mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 5:54 am and sunset at 6:45 pm. On the last day of September, sunrise is at 6:14 am and sunset at 6:05 pm MST.
Sunshine
In Canyon Day, the average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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: 10h and 0min).
- 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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
Canyon Day, 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).





