Zion National Park in September
September at Zion National Park averages a daytime high near 91°F and an overnight low around 61°F, with about 1.2" of precipitation. Visitation runs about 1.3× the park's average month, which makes September a busy month here.
- Average low
- 61°F
- Average high
- 91°F
Range across the year: 29°F to 100°F
- Precipitation
- 1.2 in
- Daylight
- 12.2 hours
Roughly 11% of the park's yearly visitors come in September: about 489,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the June peak (1.5×) and the January low (0.3×).
On our Best Time to Visit score September rates 36/100 ("Poor"). Our recommended month is April: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 76°F is hot, with afternoons near 91°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 6.6 miles from the park.
Because June, July and August together draw about 35% of annual visitors, choosing September instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 12.2 hours of daylight in September to explore — between the 9.4-hour midwinter low and the 14.6-hour summer high.
Park-wide, 2025 drew 4,984,525 recreation visits, up 0.8% from 4,946,592 in 2024.
Across the past decade overall visitation has risen about 14.6%, so a September visit is likely to feel busier than it did a few years ago.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 98°F / 69°F | 1.3× Busy | 18 Poor |
| September | 91°F / 61°F | 1.3× Busy | 36 Poor |
| October | 78°F / 49°F | 1.2× Busy | 52 Fair |
All twelve months at Zion, with the best time to visit.
Things to do at Zion in September
The National Park Service tags 19 Zion activities for fall. Here are 8 of them. Each links to the park's own page for it.
- Climbing in Zion
- Angels Landing · 1-2 hours · reservation required
- Grotto Trail · 15-45 minutes
- Lower Emerald Pool Trail · 1-2 hours
- Pa'rus Trail · 30-120 minutes
- Taylor Creek Trail · 3-4 hours
- Timber Creek Overlook · 30-60 minutes
- Weeping Rock · 15-45 minutes
Frequently Asked Questions
September averages a daytime high near 91°F and an overnight low around 61°F at Zion National Park, with about 1.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 6.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Zion National Park (about 1.3× the average month). Our best-time score rates it "Poor" at 36/100. Our recommended month is April.
The busiest month is June and the quietest is January. September sits at about 1.3× the park's average, or 11% of annual visitation.
A typical September sees about 489,000 recreation visits at Zion National Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Zion in September
Booking a September trip to Zion National Park? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Zion
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.