Tule Lake National Monument in September
September at Tule Lake National Monument averages a daytime high near 79°F and an overnight low around 38°F, with about 0.4" of precipitation. Visitation runs about 1.3× the park's average month, which makes September a busy month here.
- Average low
- 38°F
- Average high
- 79°F
Range across the year: 20°F to 86°F
- Precipitation
- 0.4 in
- Daylight
- 12.3 hours
Roughly 11% of the park's yearly visitors come in September: about 520 recreation visits in a typical year, based on National Park Service monthly counts from 2023 to 2025.
That makes September the 5th-busiest of the park's twelve months, sitting between the August peak (3.7×) and the January low (0×).
September is our recommended month at Tule Lake: the lightest crowds of the park's good-weather months.
The daily average of about 58°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 7.2 miles from the park.
Because June, July and August together draw about 75% 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 9-hour midwinter low and the 15-hour summer high.
How September compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| August | 86°F / 44°F | 3.7× Very busy | 51 Fair |
| September | 79°F / 38°F | 1.3× Busy | 82 Excellent |
| October | 66°F / 30°F | 0.0× Very quiet | 27 Poor |
All twelve months at Tule Lake, with the best time to visit.
Frequently Asked Questions
September averages a daytime high near 79°F and an overnight low around 38°F at Tule Lake National Monument, with about 0.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 7.2 miles from the park, so conditions inside the park can differ, especially at other elevations.
September is busy at Tule Lake National Monument (about 1.3× the average month). Our best-time score rates it "Excellent" at 82/100. September is our recommended month for this park.
The busiest month is August and the quietest is January. September sits at about 1.3× the park's average, or 11% of annual visitation.
A typical September sees about 1,000 recreation visits at Tule Lake National Monument, based on National Park Service monthly counts from 2023–2025.
Where to stay near Tule Lake in September
Booking a September trip to Tule Lake National Monument? Compare hotels, cabins and vacation rentals near the park with live September availability and prices.
Top-rated places to stay near Tule Lake
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 (2023–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.