Shenandoah National Park weather in September
September in Shenandoah National Park: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Shenandoah National Park · #104 of 604 destinations to visit in September · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Shenandoah National Park climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 77 mm / 3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 12.4 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Shenandoah National Park?
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Shenandoah National Park in September — FAQ
- Is September a good time to visit Shenandoah National Park?
- September in Shenandoah National Park: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Shenandoah National Park on SeasonMap's comfort score (89/100).
- What is the weather like in Shenandoah National Park in September?
- In September, Shenandoah National Park averages a daily high of 22.7°C and a low of 12.8°C, with about 77.2 mm of rain over roughly 8 rainy days.
- What is the air quality in Shenandoah National Park in September?
- Shenandoah National Park has a mean US Air Quality Index of about 38 in September.