Minidoka National Historic Site in September
September at Minidoka National Historic Site averages a daytime high near 78°F and an overnight low around 45°F, with about 0.5" of precipitation. Visitation runs about 1.4× the park's average month, which makes September a busy month here.
- Average low
- 45°F
- Average high
- 78°F
Range across the year: 20°F to 89°F
- Precipitation
- 0.5 in
- Daylight
- 12.3 hours
Roughly 11% of the park's yearly visitors come in September: roughly 1,900 recreation visits in a typical year, based on National Park Service monthly counts from 2017 to 2025.
That makes September the 4th-busiest of the park's twelve months, sitting between the July peak (2.6×) and the December low (0.1×).
On our Best Time to Visit score September rates 66/100 ("Good"). Our recommended month is May: the lightest crowds of the park's good-weather months.
The daily average of about 61°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 7.9 miles from the park.
Because June, July and August together draw about 58% 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 12.3 hours of daylight in September to explore — between the 8.9-hour midwinter low and the 15.1-hour summer high.
Park-wide, 2025 drew 43,539 recreation visits, up 137.2% from 18,358 in 2023.
Across the past decade overall visitation has risen about 68%, so a September visit is likely to feel busier than it did a few years ago.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 88°F / 54°F | 2.2× Very busy | 53 Fair |
| September | 78°F / 45°F | 1.4× Busy | 66 Good |
| October | 63°F / 34°F | 0.4× Very quiet | 64 Good |
All twelve months at Minidoka, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 78°F and an overnight low around 45°F at Minidoka National Historic Site, with about 0.5 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 7.9 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Minidoka National Historic Site (about 1.4× the average month). Our best-time score rates it "Good" at 66/100. Our recommended month is May.
The busiest month is July and the quietest is December. September sits at about 1.4× the park's average, or 11% of annual visitation.
A typical September sees about 2,000 recreation visits at Minidoka National Historic Site, based on National Park Service monthly counts from 2017–2025.
Where to stay near Minidoka in September
Booking a September trip to Minidoka National Historic Site? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Minidoka
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 (2017–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.