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
In the transition to September, Glenwood observes a minor drop in the average high-temperature, shifting from a warm 80.1°F (26.7°C) in August to an agreeable 72.3°F (22.4°C). A significant drop from the day's peak to an average low-temperature of 48.7°F (9.3°C) is noted during the nights in September.Humidity
In September, the average relative humidity is 40%.Rainfall
In Glenwood, in September, it is raining for 8.5 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 109.4 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 53.3 snowfall days, and 41.5" (1054mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm MDT.
Sunshine
In Glenwood, the average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glenwood in September?
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?
When is the sunrise / sunset in September?
How many hours of sunshine does Glenwood have in September?
How high is the UV index in September?
Average temperature in September
Glenwood, UT
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The months with the lowest average high temperature are January and December (33.8°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Glenwood, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Glenwood, UT
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Glenwood, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Glenwood, UT
- Average rainfall in September: 0.71"
The wettest months (with the highest rainfall) are March and April (1.81").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in September
Glenwood, UT
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is November (5.4 days).
Average snowfall in September
Glenwood, UT
- Average snowfall in September: 0.16"
The month with the highest snowfall is March (8.35").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Glenwood, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Glenwood, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).
Average sunshine days in September
Glenwood, UT
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is June (22.2 days).
The months with the least sunshine days are February, April and July (13.3 days).
Average UV index in September
Glenwood, UT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Glenwood, UT
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 36).
The months with the least cloud cover are August and September (Cloud cover 10).
Average visibility in September
Glenwood, 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 month with the lowest visibility is January (4mi).
Glenwood, Utah, USA
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