Franklin Delano Roosevelt Memorial in September
September at Franklin Delano Roosevelt Memorial averages a daytime high near 81°F and an overnight low around 64°F, with about 3.9" of precipitation. Visitation runs about 0.9× 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 7% of the park's yearly visitors come in September: about 224,000 recreation visits in a typical year, based on National Park Service monthly counts from 1997 to 2025.
That makes September the 8th-busiest of the park's twelve months, sitting between the March peak (1.7×) and the January low (0.3×).
September is our recommended month at Franklin Delano Roosevelt Memorial: 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 2.5 miles from the park.
Because June, July and August together draw about 28% 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 2,832,124 recreation visits, down 12.2% from 3,225,923 in 2024.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 88°F / 71°F | 1.0× Average | 50 Fair |
| September | 81°F / 64°F | 0.9× Average | 66 Good |
| October | 69°F / 52°F | 1.1× Average | 55 Fair |
All twelve months at Franklin Delano Roosevelt Memorial, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 81°F and an overnight low around 64°F at Franklin Delano Roosevelt Memorial, with about 3.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Franklin Delano Roosevelt Memorial (about 0.9× the average month). Our best-time score rates it "Good" at 66/100. September is our recommended month for this park.
The busiest month is March and the quietest is January. September sits at about 0.9× the park's average, or 7% of annual visitation.
A typical September sees about 224,000 recreation visits at Franklin Delano Roosevelt Memorial, based on National Park Service monthly counts from 1997–2025.
Where to stay near Franklin Delano Roosevelt Memorial in September
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Top-rated places to stay near Franklin Delano Roosevelt Memorial
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See the full ranking of the best national parks to visit in September.
Source: National Park Service Visitor Use Statistics (1997–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.