Stonewall National Monument in September
In September, Stonewall National Monument averages a high of 76°F and a low of 62°F, with 4.3 inches of precipitation (rain plus melted snow). About 11,000 people visit, the 9th busiest of 12 (few or no visits). Days are 12 hours 25 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 76° / 62°F
- Precipitation
- 4.3in
- Snow
- 0in
- Daylight
- 12h 25m
- Visitors
- 11,000
- Crowds
- Few or no visits
Best months for weather and crowds instead: June (very busy).
Few or no visitors in September: fewer than 3% of the busiest month's visits. Roads, ferries or the whole park may be closed; check Stonewall National Monument on nps.gov before you plan.
Weather 1991–2020 averages at New York Cntrl Pk Twr, NY, 3.6 miles from the park's center, 130 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Castle Clinton National Monument | 76° / 62° | Busy | Mild, wet |
| Statue of Liberty National Monument | 76° / 62° | Moderate | Mild, wet |
| Gateway National Recreation Area | 76° / 61° | Busy | Mild |
| Delaware Water Gap National Recreation Area | 74° / 52° | Very busy | Mild, wet |
| Independence National Historical Park | 80° / 63° | Busy | Hot |
Closures, reservations and alerts: Stonewall National Monument on nps.gov
All twelve months at Stonewall National Monument · National parks to visit in September