El Malpais National Monument in September
September at El Malpais National Monument averages a daytime high near 80°F and an overnight low around 44°F. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 44°F
- Average high
- 80°F
Range across the year: 13°F to 88°F
- Daylight
- 12.2 hours
Roughly 9% of the park's yearly visitors come in September: about 15,000 recreation visits in a typical year, based on National Park Service monthly counts from 1988 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the May peak (1.4×) and the January low (0.5×).
On our Best Time to Visit score September rates 59/100 ("Fair"). Our recommended month is August: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 62°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 20.1 miles from the park.
Because June, July and August together draw about 30% 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 9.7-hour midwinter low and the 14.3-hour summer high.
Park-wide, 2025 drew 151,998 recreation visits, down 7.1% from 163,679 in 2024.
Across the past decade overall visitation has risen about 7.2%, 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 | 86°F / 52°F | 1.1× Average | 68 Good |
| September | 80°F / 44°F | 1.1× Average | 59 Fair |
| October | 69°F / 32°F | 1.1× Average | 44 Poor |
All twelve months at El Malpais, with the best time to visit.
Things to do at El Malpais in September
The National Park Service tags 7 El Malpais activities for fall. Each links to the park's own page for it.
- El Malpais Night Skies · 1-8 hours
- Explore Sandstone Bluffs Overlook · 15-60 minutes
- Follow Ancient Footpaths on the Zuni-Acoma Trail · 2-8 hours
- Hike the El Calderon Trail · 1-3 hours
- Hike the Narrows Rim Trail · 1-6 hours
- Traverse the Lava Falls Trail · 1-2 hours
- Visit La Ventana Natural Arch · 20-30 minutes
Frequently Asked Questions
September averages a daytime high near 80°F and an overnight low around 44°F at El Malpais National Monument. These are 1991–2020 NOAA climate normals from the nearest station, about 20.1 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at El Malpais National Monument (about 1.1× the average month). Our best-time score rates it "Fair" at 59/100. Our recommended month is August.
The busiest month is May and the quietest is January. September sits at about 1.1× the park's average, or 9% of annual visitation.
A typical September sees about 15,000 recreation visits at El Malpais National Monument, based on National Park Service monthly counts from 1988–2025.
Where to stay near El Malpais in September
Booking a September trip to El Malpais National Monument? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near El Malpais
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 (1988–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.