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
The arrival of September signals a subtle shift in temperature, down from a warm 75.6°F (24.2°C) in August to a pleasant 68.9°F (20.5°C). During the month of September, the nighttime temperature falls to an average of 47.8°F (8.8°C).Humidity
In Glendale, the average relative humidity in September is 44%.Rainfall
In Glendale, during September, the rain falls for 10.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 84.8 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Glendale, during the entire year, snow falls for 66.4 days and aggregates up to 75.08" (1907mm) of snow.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm MDT.
Sunshine
In Glendale, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Glendale have in September?
How high is the UV index in September?
Average temperature in September
Glendale, UT
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in September: 47.8°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is December (17.2°F).
Average pressure in September
Glendale, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Glendale, UT
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Glendale, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (29%).
Average rainfall in September
Glendale, UT
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days in September
Glendale, UT
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Glendale, UT
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (14.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Glendale, UT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Glendale, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Glendale, UT
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is June (23.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Glendale, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Glendale, UT
- Average cloud cover in September: 13
The months with the most cloud cover are February and December (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in September
Glendale, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Glendale, Utah, USA
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