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, Sunnyside's average high-temperature slightly adjusts, moderately receding from August's moderately hot 81.1°F (27.3°C) to a still warm 73.4°F (23°C). During September, the average low-temperature is a fresh 53.1°F (11.7°C).Humidity
In Sunnyside, the average relative humidity in September is 37%.Rainfall
In September, the rain falls for 7.4 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. In Sunnyside, during the entire year, the rain falls for 79.6 days and collects up to 8.7" (221mm) of precipitation.Snowfall
June through September are months without snowfall in Sunnyside.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm MDT.
Sunshine
The average sunshine in September in Sunnyside is 10.6h.UV index
In September, the average daily maximum UV index in Sunnyside is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the average September temperature in Sunnyside?
What is the average humidity in September in Sunnyside?
How much does it rain in Sunnyside in September?
When it does not snow in Sunnyside?
Does it snow in Sunnyside in September?
What is the average length of the day in September in Sunnyside?
When are sunrise and sunset in September in Sunnyside?
How many hours of sunshine does Sunnyside have in September?
What is the UV index intensity in September in Sunnyside?
Average temperature in September
Sunnyside, UT
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Sunnyside, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Sunnyside, UT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).
Average humidity in September
Sunnyside, UT
- Average humidity in September: 37%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in September
Sunnyside, UT
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Sunnyside, UT
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Sunnyside, UT
- Average snowfall in September: 0"
The month with the highest snowfall is March (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sunnyside, UT
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sunnyside, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Sunnyside, UT
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Sunnyside, UT
- Average UV index in September: 4
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
Sunnyside, UT
- Average cloud cover in September: 11
The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in September
Sunnyside, 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).
Sunnyside, Utah, USA
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