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 September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 74.3°F (23.5°C) in August to a refreshing 67.6°F (19.8°C). Koosharem's temperature drops to an average low of 47.1°F (8.4°C) during the nights of September.Humidity
In September, the average relative humidity in Koosharem is 42%.Rainfall
In Koosharem, in September, it is raining for 8.4 days, with typically 0.59" (15mm) of accumulated precipitation. In Koosharem, during the entire year, the rain falls for 71.2 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Koosharem. Throughout September, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Koosharem, Utah, during the entire year, snow falls for 64.4 days and aggregates up to 44.17" (1122mm) of snow.Daylight
In Koosharem, the average length of the day in September is 12h and 25min.On the first day of September in Koosharem, sunrise is at 6:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm MDT.
Sunshine
In Koosharem, the average sunshine in September is 9.9h.UV index
In Koosharem, Utah, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Koosharem in September?
What is the average humidity in September in Koosharem?
How much does it rain in Koosharem in September?
When does it start to snow in Koosharem?
How many hours of daylight does Koosharem have in September?
When are sunrise and sunset in September in Koosharem?
How many hours of sunshine does Koosharem have in September?
What is the UV index reading in September in Koosharem?
Average temperature in September
Koosharem, UT
- Average high temperature in September: 67.6°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Koosharem, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Koosharem, UT
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Koosharem, UT
- Average humidity in September: 42%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (32%).
Average rainfall in September
Koosharem, UT
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is June (0.43").
Average rainfall days in September
Koosharem, UT
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in September
Koosharem, UT
- Average snowfall in September: 0.16"
The month with the highest snowfall is March (8.07").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Koosharem, UT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is December (11.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Koosharem, 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 36min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Koosharem, UT
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Koosharem, 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, October, November and December (UV index 2).
Average cloud cover in September
Koosharem, UT
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Koosharem, 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).
Koosharem, Utah, USA
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