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Get the monthly weather forecast for San Marcos, TX, including daily high/low, historical averages, to help you plan ahead.
September Weather in San Marcos Texas, United States. Daily high temperatures decrease by 7°F, from 93°F to 86°F, rarely falling below 78°F or exceeding 98°F. Daily low temperatures decrease by 8°F, from 72°F to 64°F, rarely falling below 54°F or exceeding 76°F.
Temperature. In the transition to September, San Marcos observes a minor drop in the average high-temperature, shifting from a very hot 95.9°F (35.5°C) in August to a hot 88°F (31.1°C). An average minimum temperature of 70.5°F (21.4°C) marks the month of September in San Marcos.
San Marcos weather in September (Texas, United States of America) This month is known as a warm month. The average maximum daytime temperature in San Marcos in September lies at 33.4°C (92.12°F). The average minimum temperature goes down to around 20.3°C (68.54°F) (often the minimum temperature is noted at night).
Historical temperature average in September. In San Marcos, Texas, United States. Other months. °F/inches/miles. 91 ° F. highs. 71 ° F. lows. General weather summary. Hot with a gentle breeze. Feels like. 24% Chance of rain. 0.129 in. Amount. 12.0 mph. Wind speed. 66% Humidity. 12.4 hrs. Daylight length. 7:15 AM. Sunrise. 7:37 PM. Sunset. 58%
September. San Marcos Weather in September. Are you planning a holiday with hopefully nice weather in San Marcos in September 2024? Here you can find all information about the weather in San Marcos in September: >> Overview: San Marcos Weather and Climate in September. >> San Marcos weather by month // weather averages.
The hot season lasts for 3.6 months, from June 1 to September 19, with an average daily high temperature above 89°F. The hottest month of the year in San Marcos is August, with an average high of 95°F and low of 74°F. The cool season lasts for 2.9 months, from November 26 to February 21, with an average daily high temperature below 68°F.
