Capitol Reef National Park weather in September
September in Capitol Reef National Park: nice, dry, with clean air — an excellent time to visit.
#3 of 12 months in Capitol Reef National Park · #63 of 604 destinations to visit in September · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Capitol Reef National Park climate normals — September
| Daytime high | 26°C / 78°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 23 mm / 0.9 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 40% | 🍃 comfortable |
| Dew point | 2°C / 36°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.4 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Capitol Reef National Park?
Loading map…
Capitol Reef National Park in September — FAQ
- Is September a good time to visit Capitol Reef National Park?
- September in Capitol Reef National Park: nice, dry, with clean air — an excellent time to visit. It ranks #3 of 12 months for Capitol Reef National Park on SeasonMap's comfort score (90/100).
- What is the weather like in Capitol Reef National Park in September?
- In September, Capitol Reef National Park averages a daily high of 25.8°C and a low of 10.1°C, with about 22.5 mm of rain over roughly 5.2 rainy days.
- What is the air quality in Capitol Reef National Park in September?
- Capitol Reef National Park has a mean US Air Quality Index of about 37 in September.