September weather forecast
Syracuse, UT

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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.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Syracuse in September?

In September, in Syracuse, the average high-temperature is 72.5°F (22.5°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September?

The average relative humidity in September is 44%.

How many days does it rain in September?

In September, the rain falls for 7.3 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow.

How many hours of daylight does Syracuse have in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, 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.

How many hours of sunshine does Syracuse have in September?

In Syracuse, the average sunshine duration in September is 9.9h.

How high is the UV index in September?

In September, the average daily maximum UV index in Syracuse is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Syracuse, UT

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Syracuse, UT
  • Average daylight in September: 12h and 3min

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 5min

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 - 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 - 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 - 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 - 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).

Syracuse, Utah, USA

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