Packing List
September Packing List for San Antonio — What to Wear & Bring
September remains hot in San Antonio with highs of 91°F. Pack summer-weight clothing but bring a light layer for 70°F evenings and be ready for 7 days of potential rain.
Averages 7091°F, ~7 days of rain
Edited by ForecastStyle·Last updated April 7, 2026
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Clothing
Footwear
Accessories
Gear
Shop picks for San Antonio in September
Outerwear
Beige Ribbed Longline Cardigan
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Outerwear
The Classic Trench Coat in Camel
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Footwear
The Summit Chunky Trail Sneaker in Gray
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Footwear
The Everyday Cloud Sneaker in White
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Travel Gear
Waterproof packable rain hat
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Travel Gear
Waterproof backpack rain cover
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Local tips for San Antonio in September
September is a great time to visit the San Antonio Zoo as the crowds thin out, but it's still 91°F.
Enjoy the outdoor markets in Southtown, but go early or late to avoid the peak 91°F heat.
Check the forecast for 'cool fronts' that might briefly bring temperatures below 91°F in late September.
FAQ — San Antonio in September
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