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 is marked by a subtle drop in average high-temperatures, transitioning from 85.1°F (29.5°C) in August to a still moderately hot 79.7°F (26.5°C). Throughout the month of September, Prescott Valley observes an average nighttime temperature of 59°F (15°C).Humidity
In Prescott Valley, the average relative humidity in September is 42%.Rainfall
In Prescott Valley, during September, the rain falls for 9.8 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Prescott Valley, during the entire year, the rain falls for 76.9 days and collects up to 16.46" (418mm) of precipitation.Snowfall
In Prescott Valley, snow does not fall in May through October.Daylight
In Prescott Valley, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:02 am and sunset at 6:55 pm. On the last day of September, sunrise is at 6:23 am and sunset at 6:14 pm MST.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Prescott Valley have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Prescott Valley have in September?
How high is the UV index in September?
Average temperature in September
Prescott Valley, AZ
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in September
Prescott Valley, AZ
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Prescott Valley, AZ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Prescott Valley, AZ
- Average humidity in September: 42%
The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is June (23%).
Average rainfall in September
Prescott Valley, AZ
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (4.33").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in September
Prescott Valley, AZ
- Average rainfall days in September: 9.8 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is June (2.3 days).
Average snowfall in September
Prescott Valley, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Prescott Valley, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Prescott Valley, 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: 9h and 54min).
- 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: 6h and 42min).
Average sunshine days in September
Prescott Valley, AZ
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is May (26.8 days).
The month with the least sunshine days is August (12.8 days).
Average UV index in September
Prescott Valley, AZ
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Prescott Valley, AZ
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
Prescott Valley, 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).
Prescott Valley, Arizona, USA
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