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 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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a torrid 101.8°F (38.8°C) in August to a still very hot 95.9°F (35.5°C). In the month of September, the nighttime temperature dips to a steady average of 79.2°F (26.2°C).Humidity
In Desert Hills, the average relative humidity in September is 25%.Rainfall
In Desert Hills, during September, the rain falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 52.1 rainfall days, and 6.26" (159mm) of precipitation is accumulated.Snowfall
In Desert Hills, snow does not fall in January through November.Daylight
In Desert Hills, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:11 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm MST.
Sunshine
In September, the average sunshine is 10h.UV index
In Desert Hills, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Desert Hills have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Desert Hills, AZ
- Average high temperature in September: 95.9°F
The warmest month (with the highest average high temperature) is July (102.7°F).
The month with the lowest average high temperature is December (60.1°F).
- Average low temperature in September: 79.2°F
The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is December (46.6°F).
Average pressure in September
Desert Hills, AZ
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in September
Desert Hills, AZ
- Average wind speed in September: 6.7mph
The windiest months (with the highest average wind speed) are April and May (8.6mph).
The calmest month (with the lowest average wind speed) is November (6.5mph).
Average humidity in September
Desert Hills, AZ
- Average humidity in September: 25%
The month with the highest relative humidity is January (40%).
The month with the lowest relative humidity is June (15%).
Average rainfall in September
Desert Hills, AZ
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Desert Hills, AZ
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is June (0.8 days).
Average snowfall days in September
Desert Hills, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Desert Hills, 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: 10h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Desert Hills, AZ
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is August (18.7 days).
Average UV index in September
Desert Hills, 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
Desert Hills, AZ
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Desert Hills, 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).
Desert Hills, Arizona, USA
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