Martin Luther King, Jr. National Historical Park in September
September at Martin Luther King, Jr. National Historical Park averages a daytime high near 84°F and an overnight low around 63°F, with about 3.4" of precipitation. Visitation runs about 1× the park's average month, which makes September an average month here.
- Average low
- 63°F
- Average high
- 84°F
Range across the year: 34°F to 90°F
- Precipitation
- 3.4 in
- Daylight
- 12.2 hours
Roughly 8% of the park's yearly visitors come in September: about 46,000 recreation visits in a typical year, based on National Park Service monthly counts from 1983 to 2025.
That makes September the 6th-busiest of the park's twelve months, sitting between the June peak (1.4×) and the October low (0.6×).
On our Best Time to Visit score September rates 64/100 ("Good"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 74°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 8.9 miles from the park.
Because June, July and August together draw about 33% 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 9.8-hour midwinter low and the 14.2-hour summer high.
Park-wide, 2025 drew 647,349 recreation visits, down 44.2% from 1,159,438 in 2024.
Across the past decade overall visitation has eased about 19.7%, so September may feel a touch quieter than it once did.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 89°F / 69°F | 1.2× Busy | 38 Poor |
| September | 84°F / 63°F | 1.0× Average | 64 Good |
| October | 75°F / 51°F | 0.6× Quiet | 80 Excellent |
All twelve months at Martin Luther King, Jr., with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 84°F and an overnight low around 63°F at Martin Luther King, Jr. National Historical Park, with about 3.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 8.9 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is average at Martin Luther King, Jr. National Historical Park (about 1.0× the average month). Our best-time score rates it "Good" at 64/100. Our recommended month is October.
The busiest month is June and the quietest is October. September sits at about 1.0× the park's average, or 8% of annual visitation.
A typical September sees about 46,000 recreation visits at Martin Luther King, Jr. National Historical Park, based on National Park Service monthly counts from 1983–2025.
Where to stay near Martin Luther King, Jr. in September
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Top-rated places to stay near Martin Luther King, Jr.
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Source: National Park Service Visitor Use Statistics (1983–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.