Early autumn · Weather & things to do
Salt Lake City in September
Salt Lake City cools off: highs slip to 79°F (26°C), from 90°F in August, with lows of 55°F (13°C) and about 1.5 in (38 mm) of rain.
September opens the best stretch on our comfort score, at 98/100 (the top score of the year).
- Avg high
- 79°F (26°C)
- Avg low
- 55°F (13°C)
- Rain
- 1.5 in (38 mm)
- Humidity
- 42%
- Cloud cover
- 35%
- Daylight
- ~12 h 15 min
- Comfort score
- 98/100 · Great
What September feels like
Days are warm, averaging 79°F (26°C), easy weather for being outside from morning to evening.
Mornings start much cooler: lows average 55°F (13°C), about 14°C (24°F) below the afternoon high.
About 1.5 in (38 mm) of rain falls in a typical year's September.
Sunny spells dominate: cloud cover averages 35%.
Plan around September
September is one of Salt Lake City's best months on the climate data.
- Last warm month for a while: October highs fall to 63°F.
- Opens the best-scoring stretch on our comfort score: May & June and September & October.
- Comfort improves from 76/100 in August to 98/100.
- Our Salt Lake City & Park City route is planned for Late Nov – Jan, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- Light, breathable clothes79°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- A warm layer for eveningsnights drop to 55°F
- Comfortable walking shoesmost picks involve some walking
What to do in Salt Lake City in September
With conditions on your side, the picks below favor time outside.
Temple Square
The 10-acre Latter-day Saint headquarters, strung with lights and nativity scenes from late November through December.
Why now September scores 98/100 for comfort, good conditions for being outside.
Hogle Zoo
Salt Lake's zoo at the mouth of Emigration Canyon, which runs its ZooLights evenings through December.
Why now Highs near 79°F and 1.5 in of monthly rain make this an easy outdoor pick.
Gallivan Center Ice Rink
Outdoor rink in the downtown Gallivan Center plaza, open through the winter with skate rental.
Why now One to do outside while the weather is on your side.
Red Iguana
Family-run Mexican restaurant on North Temple, known for its moles and a line out the door.
Nearby in September
- Park City in September~22 mi · highs 71°F, 1.7 in rain · 5°C (8°F) cooler by day, about as wet
- Capitol Reef in September~174 mi · highs 80°F, 1.1 in rain · similar daytime temperatures, about as wet
- Arches in September~186 mi · highs 83°F, 1.3 in rain · 2°C (4°F) warmer by day, about as wet
- Jackson in September~196 mi · highs 70°F, 1.8 in rain · 5°C (10°F) cooler by day, about as wet
These averages also cover Downtown Salt Lake City.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,744 m to Salt Lake City's ~1,300 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Salt Lake City in September: quick answers
Is September a good time to visit Salt Lake City?
Yes. On the climate data it's one of the best months, scoring 98/100. Expect highs of 79°F (26°C) and 1.5 in (38 mm) of rain.
How hot is Salt Lake City in September?
Average highs are 79°F (26°C) and average lows 55°F (13°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Salt Lake City in September?
Not much: about 1.5 in (38 mm) of rain falls across September on average, the 4th-driest month of the year. The annual total is about 21.3 in (542 mm).
What should I pack for Salt Lake City in September?
Bring light, breathable clothes (79°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), a warm layer for evenings (nights drop to 55°F) and comfortable walking shoes (most picks involve some walking).
More on Salt Lake City
Planning Salt Lake City in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.