September in Canyonlands National Park is a best window month: highs around 88°F, lows around 55°F. Crowds: busy — #2 busiest of the park's 12 months. The best month overall: heat breaks, light lengthens, crowds thin. The editorial best window here is April–May & September–October. You get about 12h 25m of daylight.
Month data reviewed · how we check this
| Verdict | Best window The editorial pick — weather, access and experience line up. |
|---|---|
| Temps °F | 88° high / 55° low |
| Crowds | busy · #2 busiest of the park's 12 months |
| What September is like | The best month overall: heat breaks, light lengthens, crowds thin |
| Best window (whole year) | April–May & September–October |
| Peak crowds (whole year) | May |
CROWDS: RELATIVE SEASONALITY FROM NPS VISITATION STATISTICS · TEMPS: APPROXIMATE NOAA NORMALS AT MAIN VISITOR ELEVATION — HIGH COUNTRY RUNS 10–20°F COLDER
DAYLIGHT ON SEPTEMBER 15 · LOCAL PARK TIME (MDT)COMPUTED FROM THE PARK'S OWN COORDINATES FOR THE 15TH — THE MIDDLE OF THE MONTH STANDS FOR IT, AS IT DOES FOR CLIMATE NORMALS. WITHIN A MONTH THESE TIMES SHIFT BY UP TO AN HOUR
WHAT SEPTEMBER ASKS OF YOU HERECanyonlands National Park in October — Best window, highs around 74°F, crowds: busy (cool, clear and quiet — the other prime month for the backcountry).
Our verdict for September is "Best window". The editorial pick — weather, access and experience line up. Expect highs around 88°F and lows around 55°F, with crowds at the "busy" level. Temperatures are approximate NOAA normals at the main visitor elevation; crowd levels follow published NPS visitation statistics.
Across the full 12-month review, the best window is April–May & September–October, and the peak-crowd months are May. September itself we rate "Best window".
About 12h 25m on September 15: the sun rises around 7:01 AM and sets around 7:27 PM local park time (MDT). Computed from the park's own coordinates, so it is the light you actually get at the trailhead, not the nearest city's.
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