LBJ Memorial Grove on the Potomac in September
September at LBJ Memorial Grove on the Potomac averages a daytime high near 81°F and an overnight low around 64°F, with about 3.9" of precipitation. Visitation runs about 1.1× the park's average month, which makes September an average month here.
- Average low
- 64°F
- Average high
- 81°F
Range across the year: 30°F to 90°F
- Precipitation
- 3.9 in
- Daylight
- 12.2 hours
Roughly 9% of the park's yearly visitors come in September: about 23,000 recreation visits in a typical year, based on National Park Service monthly counts from 1984 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the July peak (1.3×) and the February low (0.6×).
On our Best Time to Visit score September rates 51/100 ("Fair"). Our recommended month is April: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 72°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 2.4 miles from the park.
Because June, July and August together draw about 30% of annual visitors, choosing September instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 12.2 hours of daylight in September to explore — between the 9.3-hour midwinter low and the 14.7-hour summer high.
Park-wide, 2025 drew 236,042 recreation visits, down 2.2% from 241,358 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 88°F / 71°F | 1.1× Average | 37 Poor |
| September | 81°F / 64°F | 1.1× Average | 51 Fair |
| October | 69°F / 52°F | 1.2× Busy | 41 Poor |
All twelve months at LBJ Memorial Grove on the Potomac, with the best time to visit.
Things to do at LBJ Memorial Grove on the Potomac in September
The National Park Service tags 3 LBJ Memorial Grove on the Potomac activities for fall. Each links to the park's own page for it.
- Blue Line - DC Metro · 1-2 days
- Retreat to the Lyndon Baines Johnson Memorial Grove · 1-2 hours
- Silver Line - DC Metro · 1-2 days
Frequently Asked Questions
September averages a daytime high near 81°F and an overnight low around 64°F at LBJ Memorial Grove on the Potomac, with about 3.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at LBJ Memorial Grove on the Potomac (about 1.1× the average month). Our best-time score rates it "Fair" at 51/100. Our recommended month is April.
The busiest month is July and the quietest is February. September sits at about 1.1× the park's average, or 9% of annual visitation.
A typical September sees about 23,000 recreation visits at LBJ Memorial Grove on the Potomac, based on National Park Service monthly counts from 1984–2025.
Where to stay near LBJ Memorial Grove on the Potomac in September
Booking a September trip to LBJ Memorial Grove on the Potomac? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near LBJ Memorial Grove on the Potomac
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1984–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.