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
Summit's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 79.2°F (26.2°C) to a pleasant 72.3°F (22.4°C). Summit registers a significant reduction from the day's heat, with an average temperature drop to a fresh 50.4°F (10.2°C) in September.Humidity
In Summit, the average relative humidity in September is 39%.Rainfall
In Summit, in September, it is raining for 7.2 days, with typically 0.71" (18mm) of accumulated precipitation. In Summit, during the entire year, the rain falls for 78.4 days and collects up to 11.61" (295mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Summit, Utah, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:15 pm MDT.
Sunshine
In Summit, the average sunshine in September is 9.8h.UV index
In Summit, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Make use of precautions - It is urged to ward off sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in September in Summit?
What is the average humidity in September in Summit?
How many days does it rain in September in Summit?
When it does not snow in Summit?
Does it snow in Summit in September?
How many hours of daylight does Summit have in September?
What time are sunrise and sunset in September in Summit?
How many hours of sunshine does Summit have in September?
What is the UV index intensity in September in Summit?
Average temperature in September
Summit, UT
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The months with the lowest average high temperature are January and December (35.4°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in September
Summit, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Summit, UT
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in September
Summit, 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 (27%).
Average rainfall in September
Summit, UT
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Summit, UT
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is June (2.7 days).
Average snowfall in September
Summit, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Summit, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Summit, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Summit, UT
- Average sunshine days in September: 21 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in September
Summit, 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
Summit, UT
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in September
Summit, 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).
Summit, Utah, USA
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