Guadalupe Mountains National Park weather in September
September in Guadalupe Mountains National Park: nice, dry, with clean air — an excellent time to visit.
#4 of 12 months in Guadalupe Mountains National Park · #41 of 604 destinations to visit in September · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Guadalupe Mountains National Park climate normals — September
| Daytime high | 24°C / 76°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 44% | 🍃 comfortable |
| Dew point | 4°C / 39°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.4 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Guadalupe Mountains National Park?
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Guadalupe Mountains National Park in September — FAQ
- Is September a good time to visit Guadalupe Mountains National Park?
- September in Guadalupe Mountains National Park: nice, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Guadalupe Mountains National Park on SeasonMap's comfort score (91/100).
- What is the weather like in Guadalupe Mountains National Park in September?
- In September, Guadalupe Mountains National Park averages a daily high of 24.3°C and a low of 12.6°C, with about 16 mm of rain over roughly 4 rainy days.
- What is the air quality in Guadalupe Mountains National Park in September?
- Guadalupe Mountains National Park has a mean US Air Quality Index of about 36 in September.