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
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 84.4°F (29.1°C) to a still warm 74.5°F (23.6°C). In the month of September, Terra records a consistent average low-temperature of 54.5°F (12.5°C).Humidity
The average relative humidity in September in Terra, Utah, is 39%.Rainfall
In Terra, Utah, in September, it is raining for 10.7 days, with typically 1.38" (35mm) of accumulated precipitation. In Terra, during the entire year, the rain falls for 120.7 days and collects up to 18.39" (467mm) of precipitation.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 0.04" (1mm) of snow. In Terra, during the entire year, snow falls for 68.4 days and aggregates up to 55.94" (1421mm) of snow.Daylight
In Terra, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:13 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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?
How many hours of daylight does Terra have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Terra have in September?
What is the UV index reading in September?
Average temperature in September
Terra, UT
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Terra, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Terra, UT
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).
Average humidity in September
Terra, UT
- Average humidity in September: 39%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (33%).
Average rainfall in September
Terra, UT
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is April (2.09").
The driest month (with the least rainfall) is June (0.79").
Average rainfall days in September
Terra, UT
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Terra, UT
- Average snowfall in September: 0.04"
The months with the highest snowfall are January and December (12.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Terra, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Terra, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Terra, UT
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Terra, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Terra, UT
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Terra, 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).
Terra, Utah, USA
Weather forecast for your location
2. Allow the app to use your location