Monthly climate guide
Salt Lake City weather in September
With highs near 24°C (75°F) and lows around 11°C (52°F), September feels warm in Salt Lake City. Rainfall averages about 44 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 6°C cooler than August and 9°C warmer than October.
What stands out in September
- September brings early autumn to Salt Lake City.
- Temperatures are falling — expect highs around 9°C lower by October.
- Salt Lake City is usually about 3°C warmer than Park City, 40 km away, in September.
- Afternoons and nights feel like different seasons, roughly 13°C apart.
Avg high
24°C
75°F
Avg low
11°C
52°F
Rainfall
44 mm
fairly dry
Humidity
43%
relative
Sky
36%
cloud · a mix of sun and cloud
Salt Lake City weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -9°C / 16°F | 56 mm | 83% | 57% |
| February | 3°C / 37°F | -6°C / 21°F | 43 mm | 76% | 61% |
| March | 9°C / 47°F | -1°C / 30°F | 55 mm | 66% | 63% |
| April | 12°C / 54°F | 1°C / 33°F | 67 mm | 61% | 60% |
| May | 18°C / 64°F | 5°C / 42°F | 67 mm | 57% | 57% |
| June | 25°C / 77°F | 11°C / 52°F | 21 mm | 44% | 33% |
| July | 31°C / 87°F | 16°C / 61°F | 18 mm | 41% | 40% |
| August | 30°C / 85°F | 16°C / 60°F | 24 mm | 37% | 38% |
| September | 24°C / 75°F | 11°C / 52°F | 44 mm | 43% | 36% |
| October | 15°C / 59°F | 4°C / 38°F | 36 mm | 52% | 40% |
| November | 8°C / 46°F | -2°C / 29°F | 42 mm | 63% | 52% |
| December | 1°C / 33°F | -8°C / 17°F | 52 mm | 78% | 59% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is September a good time to visit Salt Lake City?
Compare the months in the chart above to find your ideal window.
Best time to visit Salt Lake City →Other United States cities in September
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Salt Lake City weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/salt-lake-city/september
<a href="https://weathercompare.eu/weather/usa/salt-lake-city/september">Salt Lake City weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/salt-lake-city" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Salt Lake City weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/salt-lake-city/september">Salt Lake City weather in September</a> – WeatherCompare</p>
Salt Lake City in September: quick answers
Is September a good time to visit Salt Lake City?
Yes. September is one of the best months for Salt Lake City, with highs around 24°C and about 44 mm of rain.
How warm is Salt Lake City in September?
Average highs are about 24°C (75°F) and average lows about 11°C (52°F), based on 10 years of daily data.
Does it rain a lot in Salt Lake City in September?
Salt Lake City typically gets around 44 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Salt Lake City (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.