Seguin Weather in September

September in Seguin brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 20°C (68°F). Rainfall is on the higher side this month, averaging around 87 mm (3.4 in), so keep a rain jacket handy.

Rainfall in Seguin in September

Historically, the month has about 8 days of rain, averaging 87 mm (3.4 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Seguin in September

Daytime temperatures in Seguin reach 33°C (91°F) in September, dropping to 20°C (68°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors.

Sunshine in Seguin in September

Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions add to the overall experience.

If your ideal day consists of dry skies and pleasant temperatures, February, March, April, October and November typically offer the best circumstances for Seguin.

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 Seguin's climate page.

Seguin Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 27%  

Precipitation 87 mm (3.4 in)  

Rainy days 8 days  

Humidity 68% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: San Antonio, the United States of America (53 KM, 33 Miles).

What to Wear in Seguin in September

Warm but pleasant conditions in Seguin in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Seguin 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

8/10

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 Seguin's climate page.

More climate data for Seguin

Temperature Rainfall Sunshine Humidity

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