Early autumn · Weather & things to do
Texas Hill Country in September
Texas Hill Country cools off: highs slip to 88°F (31°C), from 95°F in August, with lows of 67°F (19°C) and about 3.4 in (87 mm) of rain.
Our comfort score puts it mid-table at 74/100, 8th of 12.
- Avg high
- 88°F (31°C)
- Avg low
- 67°F (19°C)
- Rain
- 3.4 in (87 mm)
- Humidity
- 65%
- Cloud cover
- 43%
- Daylight
- ~12 h 10 min
- Comfort score
- 74/100 · Good
What September feels like
Heat sets the pace, with highs around 88°F (31°C). Get out early and keep the hottest hours for somewhere cool.
Lows average 67°F (19°C).
Showers are part of the month, adding up to about 3.4 in (87 mm).
Plan around September
September sits mid-table; the best months are February – April and October – December.
- Comfort improves from 63/100 in August to 74/100.
- Our San Antonio & the Texas Hill Country route is planned for Late Nov – Dec, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- Light, breathable clothes88°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Texas Hill Country in September
Afternoons run hot (88°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Lyndon B. Johnson National Historical Park
LBJ's ranch on the Pedernales, with the Texas White House, his birthplace and family cemetery on a self-driven tour.
Why now September scores 74/100 for comfort, good conditions for being outside.
Blanco County Courthouse
Limestone 1916 courthouse on Johnson City's square, outlined in lights and decorated for the season.
Why now Highs near 88°F and 3.4 in of monthly rain make this an easy outdoor pick.
Fredericksburg Brewing Company
Texas's oldest brewpub, open since 1994 in a historic building on Main Street, with German-style beers.
Why now One to do outside while the weather is on your side.
Enchanted Rock State Natural Area
Pink granite dome rising about 130 m above the hills north of Fredericksburg; the summit trail is a steep 1 km climb.
Why now Go early — afternoons average 88°F.
Main Street Fredericksburg
Long main street of 19th-century limestone storefronts with boutiques, bakeries and wine-tasting rooms.
Why now Best first thing, before the 88°F afternoon heat.
Nearby in September
- Austin in September~55 mi · highs 90°F, 3.4 in rain · 1°C (2°F) warmer by day, about as wet
- San Antonio in September~58 mi · highs 90°F, 3.7 in rain · 1°C (3°F) warmer by day, about as wet
- Downtown Houston in September~200 mi · highs 89°F, 4.6 in rain · similar daytime temperatures, wetter
- Dallas in September~206 mi · highs 90°F, 3.0 in rain · 1°C (2°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.
Texas Hill Country in September: quick answers
Is September a good time to visit Texas Hill Country?
It's middling, scoring 74/100. The best months are February – April and October – December, at up to 93. Expect highs of 88°F (31°C) and 3.4 in (87 mm) of rain.
How hot is Texas Hill Country in September?
Average highs are 88°F (31°C) and average lows 67°F (19°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Texas Hill Country in September?
Some: about 3.4 in (87 mm) of rain falls across September on average, the 2nd-wettest month of the year. The annual total is about 30.6 in (777 mm).
What should I pack for Texas Hill Country in September?
Bring light, breathable clothes (88°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
More on Texas Hill Country
Planning Texas Hill Country in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.