September weather forecastSyracuse, UT
September
Weather in September
September commences the transition from summer to fall in Syracuse, Utah. As temperatures begin to dip, the months' first snowfall might occur, recorded at an average of 0.31" (8mm). Simultaneously, the city experiences a gradual increase in humidity contributing to a cooler atmosphere. As the month progresses, green landscapes start transforming into shades of orange and brown. The daylight hours start decreasing steadily, signaling the approach of shorter fall days.Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 81.1°F (27.3°C) in August to an agreeable 72.5°F (22.5°C). Syracuse experiences an average low-temperature of 52.7°F (11.5°C) in the month of September.Humidity
The average relative humidity in September in Syracuse is 44%.Rainfall
In Syracuse, during September, the rain falls for 7.3 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Syracuse, during the entire year, the rain falls for 98.9 days and collects up to 13.58" (345mm) of precipitation.Snowfall
Months with snowfall 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 0.31" (8mm) of snow. Throughout the year, there are 54.4 snowfall days, and 44.84" (1139mm) of snow is accumulated.Daylight
In Syracuse, the average length of the day in September is 12h and 27min.On the first day of September in Syracuse, Utah, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm MDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In Syracuse, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Syracuse, UT
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Syracuse, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Syracuse, UT
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in September
Syracuse, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (38%).
Average rainfall in September
Syracuse, UT
- Average rainfall in September: 0.91"
The wettest months (with the highest rainfall) are January and February (1.61").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in September
Syracuse, UT
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in September
Syracuse, UT
- Average snowfall in September: 0.31"
The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Syracuse, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Syracuse, UT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Syracuse, UT
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Syracuse, 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, November and December (UV index 2).
Average cloud cover in September
Syracuse, UT
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Syracuse, 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).





