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
With the onset of September, Thistle experiences a modest temperature adjustment, with the average high-temperature receding from 83.5°F (28.6°C) in August to a still moderately hot 74.3°F (23.5°C). Thistle undergoes a major shift from daytime highs, averaging a frosty 47.3°F (8.5°C) during the night in September.Humidity
In September, the average relative humidity is 44%.Rainfall
In Thistle, in September, it is raining for 7.5 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 112.5 rainfall days, and 11.93" (303mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Thistle, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:54 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm MDT.
Sunshine
In Thistle, Utah, the average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Thistle?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Thistle have in September?
How high is the UV index in September?
Average temperature in September
Thistle, UT
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Thistle, 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 (29.86"Hg).
Average wind speed in September
Thistle, UT
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in September
Thistle, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (39%).
Average rainfall in September
Thistle, UT
- Average rainfall in September: 0.59"
The wettest months (with the highest rainfall) are January and December (1.46").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in September
Thistle, UT
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is June (6 days).
Average snowfall in September
Thistle, UT
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Thistle, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thistle, 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: 10h and 1min
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 36min).
Average sunshine days in September
Thistle, UT
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Thistle, UT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Thistle, UT
- Average cloud cover in September: 11
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Thistle, 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).
Thistle, Utah, USA
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