Salt Lake City weather in September
“Reliably warm, dry, and generous with light.”
Roughly 4 rainy days across the month, on average.
September in Salt Lake City brings warm, pleasant days with average highs of 27.7°C (82°F) and cooler evenings dropping to 13.5°C (56°F). Expect minimal rainfall at just 32.3mm across about 3-4 rainy days, with abundant sunshine averaging 11.5 hours daily. This is one of the driest months, making it ideal for outdoor exploration without weather concerns.
The city transitions into fall during September, with a vibrant cultural calendar including the Utah Arts Festival and various outdoor concerts. Summer crowds have thinned considerably, creating a pleasant balance between visitor amenities and authentic local atmosphere. The seasonal shift brings crisp mornings and golden afternoon light perfect for photography.
For travelers planning a 2026 visit, September offers exceptional value with moderate accommodation prices and fewer queues at popular attractions. The temperature range requires layering, but overall conditions are among the most comfortable of the year. Pack accordingly for both warm afternoons and cool nights.
The grid was laid out by Brigham Young in 10-acre blocks, which is why crossing State Street on foot feels punishing. Locals order 'fry sauce' (mayo plus ketchup plus secret) at Crown Burger and know that liquor laws mean you order food first at any bar. The 9th and 9th neighborhood, not downtown, is where you find the coffee roasters and vintage shops that outsiders assume don't exist in Utah.
What to pack for Salt Lake City in September
September's temperature swings demand versatile layering. Mornings and evenings require warmth, while afternoons can be quite hot. Bring items you can easily add or remove as the day progresses.
- Lightweight merino wool t-shirts
- Denim jacket or light sweater
- Comfortable hiking shorts
- Closed-toe sneakers or trail shoes
- Wide-brimmed sun hat
What to pack for Salt Lake City in September
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Where to stay in Salt Lake City
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Compare hotels on Booking.com→Estimated September trip to Salt Lake City
Shoulder-season pricing — a balance of price and conditions. Rule-based estimates from a couple based in London — actual prices vary.
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Things worth doing
Hiking in nearby canyons, exploring Temple Square and museums, attending outdoor concerts, visiting the Utah State Fair, rock climbing at American Fork Canyon.
September vs. the rest of the year
How this month compares in Salt Lake City. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Salt Lake City
September is one of the best months to visit Salt Lake City — alongside April, May, October. 11-year climate data (2015–2025) confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for Salt Lake CityOther places with a similar climate right now
Salt Lake City in September — FAQ
Q01Is September a good time to visit Salt Lake City?
Is September a good time to visit Salt Lake City?
Yes — this is one of the best months of the year to visit. In September, Salt Lake City averages a high of 28°C (82°F) and a low of 14°C (56°F), with 32mm of rainfall across roughly 4 rainy days. March delivers the Wasatch 'greatest snow on earth' powder cycle while Little Cottonwood Canyon reopens after avalanche interlodge closures.
Q02What is the average temperature in Salt Lake City in September?
What is the average temperature in Salt Lake City in September?
The average high temperature in Salt Lake City during September is 28°C (82°F), with an average low of 14°C (56°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03How many rainy days does Salt Lake City have in September?
How many rainy days does Salt Lake City have in September?
Salt Lake City averages approximately 4 rainy days in September, with a total monthly rainfall of about 32mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Salt Lake City in September?
What should I pack for Salt Lake City in September?
For Salt Lake City in September, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month. N95 mask for winter inversion days when PM2.5 spikes above Beijing levels — the valley traps pollution for weeks.
Q05How crowded is Salt Lake City in September?
How crowded is Salt Lake City in September?
Tourist crowds in Salt Lake City during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely. The grid was laid out by Brigham Young in 10-acre blocks, which is why crossing State Street on foot feels punishing. Locals order 'fry sauce' (mayo plus ketchup plus secret) at Crown Burger and know that liquor laws mean you order food first at any bar. The 9th and 9th neighborhood, not downtown, is where you find the coffee roasters and vintage shops that outsiders assume don't exist in Utah.