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Weather in Salt Lake City, Utah for September 2025

Your guide to Salt Lake City weather in September - trends and predictions

    Temperatures

  • So far, September 2025 in Salt Lake City is slightly warmer than the historical average by 0.6 °F.

  • The forecast for the next days in Salt Lake City predicts a temperature of 25.5 °F, which is cooler than the historical average.

  • In general, the average temperature in Salt Lake City at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.3 °F by the end of September.

    • Rain 🌧️

  • Salt Lake City experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 21.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
36 %
Avg humidity

Salt Lake City Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
33°
2
Cloudy
32°
3
Partly cloudy
30°
4
Patchy light rain with thunder
27°
5
Sunny
28°
6
Sunny
30°
7
Sunny
31°
8
Sunny
31°
9
Sunny
31°
10
Sunny
31°
11
Partly cloudy
30°
12
Overcast
24°
13
Cloudy
25°
14
Sunny
28°
15
Sunny
24°
16
Sunny
25°
17
Sunny
27°
18
Sunny
29°
19
Partly cloudy
24°
20
Patchy rain possible
26°
21
Patchy rain possible
22°
22
Partly cloudy
20°
23
Sunny
25°
24
Sunny
27°
25
Sunny
24°
26
Sunny
30°
27
Sunny
29°
28
Partly cloudy
27°
29
Sunny
30°
30
Overcast
24°

Temperatures trend during September in Salt Lake City

See the weather trend as well as the moving average line

September weather in Salt Lake City day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 33° /15° 5.4 mm 8
Sept. 2 Cloudy
Cloudy
 32° /15° 1.7 mm 7
Sept. 3 Partly cloudy
Partly cloudy
 30° /16° 2.4 mm 7
Sept. 4 Patchy light rain with thunder
Patchy light rain with thunder
 27° /14° 0.7 mm 6
Sept. 5 Sunny
Sunny
 28° /12° 0 mm 7
Sept. 6 Sunny
Sunny
 30° /14° 0 mm 8
Sept. 7 Sunny
Sunny
 31° /15° 0 mm 8
Sept. 8 Sunny
Sunny
 31° /15° 0 mm 8
Sept. 9 Sunny
Sunny
 31° /16° 0.1 mm 7
Sept. 10 Sunny
Sunny
 31° /15° 0.4 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 30° /14° 0.8 mm 7
Sept. 12 Overcast
Overcast
 24° /11° 0.8 mm 6
Sept. 13 Cloudy
Cloudy
 25° /10° 0 mm 6
Sept. 14 Sunny
Sunny
 28° /8° 0 mm 1.6
Sept. 15 Sunny
Sunny
 24° /11° 0 mm 1.6
Sept. 16 Sunny
Sunny
 25° /7° 0 mm 1.6
Sept. 17 Sunny
Sunny
 27° /10° 0 mm 1.7
Sept. 18 Sunny
Sunny
 29° /12° 0 mm 0
Sept. 19 Partly cloudy
Partly cloudy
 24° /15° 0.1 mm 5
Sept. 20 Patchy rain possible
Patchy rain possible
 26° /13° 0.4 mm 4
Sept. 21 Patchy rain possible
Patchy rain possible
 22° /13° 2.4 mm 4
Sept. 22 Partly cloudy
Partly cloudy
 20° /11° 0.1 mm 5
Sept. 23 Sunny
Sunny
 25° /11° 0 mm 5
Sept. 24 Sunny
Sunny
 27° /13° 0 mm 5
Sept. 25 Sunny
Sunny
 24° /13° 0 mm 5
Sept. 26 Sunny
Sunny
 30° /14° 0 mm 6
Sept. 27 Sunny
Sunny
 29° /11° 0 mm 8
Sept. 28 Partly cloudy
Partly cloudy
 27° /10° 0 mm 7
Sept. 29 Sunny
Sunny
 30° /12° 0 mm 8
Sept. 30 Overcast
Overcast
 24° /12° 0 mm 6
Next
Important Notice
Our weather forecast for Salt Lake City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Salt Lake City forecast closer to your planned date for the most up-to-date weather information.
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Salt Lake City in September - FAQ

What are the expected maximum and minimum temperatures in Salt Lake City during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Salt Lake City during September?
In September, Salt Lake City can expect light to moderate rainfall, totaling 21.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Salt Lake City during September?
The average wind speed in Salt Lake City during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Salt Lake City

Explore the daily rainfall trends and prepare for Salt Lake Citys September weather 💧

UV exposure in Salt Lake City during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Salt Lake City?

Get accurate weather forecasts for Salt Lake City, located at latitude 40.761 and longitude -111.891. Stay updated with localized weather information tailored for Salt Lake City.

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