Early autumn · Weather & things to do
Medora in September
Medora cools off: highs slip to 74°F (23°C), from 85°F in August, with lows of 49°F (10°C) and about 1.9 in (47 mm) of rain.
At 94/100 for comfort (the top score of the year), it's one of the best months to visit.

- Avg high
- 74°F (23°C)
- Avg low
- 49°F (10°C)
- Rain
- 1.9 in (47 mm)
- Humidity
- 55%
- Cloud cover
- 47%
- Daylight
- ~12 h 19 min
- Comfort score
- 94/100 · Great
What September feels like
Days are warm, averaging 74°F (23°C), easy weather for being outside from morning to evening.
There's a big swing between day and night, about 14°C (25°F), so mornings and evenings feel much cooler than the afternoon.
Rain is moderate at about 1.9 in (47 mm) for the month.
Plan around September
September is one of Medora's best months on the climate data.
- Last warm month for a while: October highs fall to 56°F.
- Last of the best-scoring months: by October, the score drops to 77/100.
- Comfort improves from 85/100 in August to 94/100.
- September sits inside the May – Sep window our Dakotas Badlands & Black Hills route recommends.
What to pack for September
- Light, breathable clotheshighs average 74°F
- A warm layer for eveningslows near 49°F
- Comfortable walking shoesmost picks involve some walking
What to do in Medora in September
With conditions on your side, the picks below favor time outside.
Buck Hill
One of the highest points in the South Unit with a short paved walk to 360-degree views.
Why now September scores 94/100 for comfort, good conditions for being outside.
South Unit Scenic Loop Drive
Paved drive through badlands with bison, wild horses and prairie dog towns.
Why now Highs near 74°F and 1.9 in of monthly rain make this an easy outdoor pick.
Little Missouri Saloon
Western saloon in downtown Medora with a casual bar and grill.
Theodore Roosevelt National Park South Unit Visitor Center
Exhibits on Roosevelt's ranching years plus his restored Maltese Cross Cabin.
Why now One to do outside while the weather is on your side.
Wind Canyon Trail
Short 0.4-mile trail to a bluff above the Little Missouri River with wind-carved sandstone.
Nearby in September
- Black Hills in September~217 mi · highs 70°F, 1.6 in rain · 2°C (4°F) cooler by day, about as wet
- Badlands National Park in September~219 mi · highs 78°F, 1.4 in rain · 3°C (5°F) warmer by day, 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.
Medora in September: quick answers
Is September a good time to visit Medora?
Yes. On the climate data it's one of the best months, scoring 94/100. Expect highs of 74°F (23°C) and 1.9 in (47 mm) of rain. September is inside the May – Sep window our Dakotas Badlands & Black Hills route recommends.
How hot is Medora in September?
Average highs are 74°F (23°C) and average lows 49°F (10°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Medora in September?
Not much: about 1.9 in (47 mm) of rain falls across September on average, the 4th-wettest month of the year. The annual total is about 16.6 in (422 mm).
What should I pack for Medora in September?
Bring light, breathable clothes (highs average 74°F), a warm layer for evenings (lows near 49°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in September
- Dakotas Badlands & Black Hills May – Sep
Planning Medora in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.





