Early autumn · Weather & things to do
Wichita Mountains in September
Wichita Mountains cools off: highs slip to 85°F (30°C), from 94°F in August, with lows of 63°F (17°C) and about 3.0 in (77 mm) of rain.
It scores 82/100 for comfort, 5th of 12, which makes it a solid shoulder-season month.

- Avg high
- 85°F (30°C)
- Avg low
- 63°F (17°C)
- Rain
- 3.0 in (77 mm)
- Humidity
- 61%
- Cloud cover
- 39%
- Daylight
- ~12 h 12 min
- Comfort score
- 82/100 · Great
What September feels like
Highs settle around 85°F (30°C), warm enough for short sleeves most of the day.
Mornings start much cooler: lows average 63°F (17°C), about 12°C (22°F) below the afternoon high.
Showers are part of the month, adding up to about 3.0 in (77 mm).
Plan around September
September is shoulder season: good weather, a step below the best months (March & April and October & November).
- Comfort improves from 62/100 in August to 82/100.
- Our Oklahoma Route 66 route recommends Mar – May, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes85°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- A warm layer for eveningslows near 63°F
- Packable rain jacket or umbrellaabout 3.0 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Wichita Mountains in September
September is good outdoor weather here, so these picks lean toward the open air.
Charons Garden Wilderness
Rugged boulder-strewn wilderness area with scrambles and canyons.
Why now Our curated notes say it's best spring–fall.
Riverside Cafe
Creekside patio cafe with fried catfish and burgers.
Why now September scores 82/100 for comfort, good conditions for being outside.
Medicine Park
Small cobblestone resort town on Medicine Creek, Oklahoma's first.
Why now Highs near 85°F and 3.0 in of monthly rain make this an easy outdoor pick.
Forty Foot Hole
Granite gorge and pool on Cache Creek reached by short trail.
Why now One to do outside while the weather is on your side.
Wichita Mountains Wildlife Refuge Visitor Center
Starting point for maps, trail conditions and exhibits on the refuge's prairie and bison.
Nearby in September
- Oklahoma City in September~84 mi · highs 85°F, 3.0 in rain · similar daytime temperatures, about as wet
- Lake Hefner in September~85 mi · highs 85°F, 3.0 in rain · similar daytime temperatures, about as wet
- Dallas in September~175 mi · highs 90°F, 3.0 in rain · 2°C (4°F) warmer by day, about as wet
- Tulsa in September~182 mi · highs 86°F, 3.4 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Wichita Mountains in September: quick answers
Is September a good time to visit Wichita Mountains?
It's a good shoulder-season choice, scoring 82/100 against a best of 93 in March & April and October & November. Expect highs of 85°F (30°C) and 3.0 in (77 mm) of rain. Our Oklahoma Route 66 route recommends Mar – May, so September is outside its suggested window.
How hot is Wichita Mountains in September?
Average highs are 85°F (30°C) and average lows 63°F (17°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Wichita Mountains in September?
Some: about 3.0 in (77 mm) of rain falls across September on average, the 4th-wettest month of the year. The annual total is about 30.4 in (773 mm).
What should I pack for Wichita Mountains in September?
Bring light, breathable clothes (85°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), a warm layer for evenings (lows near 63°F), packable rain jacket or umbrella (about 3.0 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Wichita Mountains
Planning Wichita Mountains in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.





