September in San Antonio: afternoons around 91°F, nights around 74°F. Chocolate and cheese are the two to route to an address where someone can bring the box straight in; cookie, nut, coffee and spa baskets shrug off an afternoon on the step.
Heat (January, February, March, April, May, June, July, August, September, October, November and December). Afternoons average 85°F or more, peaking near 91°F in September. Send chocolate, cheese and fresh fruit to a workplace or a front desk in these months; baked goods, nuts, coffee, tea and spa baskets can take a doorstep drop.
Normals: NOAA National Centers for Environmental Information, 1991 to 2020, Borinquen Ap station, 2.1 miles from San Antonio. Heat: average high 85°F or more. Freezing: average low 32°F or less. Snow: 2 inches or more in the month. Wettest: the two months with the most rain.