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 transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 74.5°F (23.6°C) from August's moderately hot 81.5°F (27.5°C). In the month of September, the average low-temperature in La Sal usually rests at a cool 55°F (12.8°C).Humidity
The average relative humidity in September is 39%.Rainfall
In September, in La Sal, the rain falls for 10.9 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in La Sal, there are 94.8 rainfall days, and 12.72" (323mm) of precipitation is accumulated.Snowfall
Months with snowfall in La Sal 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. Throughout the year, there are 44.3 snowfall days, and 31.34" (796mm) of snow is accumulated.Daylight
In La Sal, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:47 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm MDT.
Sunshine
The average sunshine in September in La Sal is 10.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in La Sal in September?
What is the average humidity in September in La Sal?
How many days does it rain in September in La Sal?
When does it start snowing in La Sal?
What is the average length of the day in September in La Sal?
What time are sunrise and sunset in September in La Sal?
How many hours of sunshine does La Sal have in September?
How high is the UV index in September in La Sal?
Average temperature in September
La Sal, UT
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
La Sal, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
La Sal, UT
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
La Sal, UT
- Average humidity in September: 39%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (25%).
Average rainfall in September
La Sal, UT
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.59").
Average rainfall days in September
La Sal, UT
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in September
La Sal, UT
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
La Sal, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
La Sal, 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 36min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
La Sal, UT
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
La Sal, UT
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
La Sal, UT
- Average cloud cover in September: 12
The month with the most cloud cover is December (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
La Sal, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
La Sal, Utah, USA
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