New Braunfels Weather in September

With daytime temperatures of 33°C (91°F) and nighttime lows of 20°C (68°F), September in New Braunfels brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 106 mm (4.2 in) falls on average.

Rainfall in New Braunfels in September

Expect around 9 days of rain based on historical data, with 106 mm (4.2 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in New Braunfels in September

In September, New Braunfels gets very high temperatures, with highs of 33°C (91°F). Nights cool to around 20°C (68°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 20°C (68°F), evenings stay pleasantly warm.

Sunshine in New Braunfels in September

There are approximately 235 hours of sunshine this month, resulting in mostly clear days.

September in New Braunfels has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our New Braunfels's climate page.

New Braunfels Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 30%  

Precipitation 106 mm (4.2 in)  

Rainy days 9 days  

Humidity 68% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: San Antonio, the United States of America (47 KM, 29 Miles).

What to Wear in New Braunfels in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in New Braunfels in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our New Braunfels's climate page.

More climate data for New Braunfels

Temperature Rainfall Sunshine Humidity

See the full New Braunfels climate overview or explore weather in the United States of America.