
THINGS TO DO · YOUTUBE SHORT
Alpharetta Parks and Trails | City of Alpharetta GA
A local activity video shared by Connected Alpharetta.
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Weather · September
Average highs of 83°F, lows of 63°F and 4.1 in of rain, from 30 years of weather records.
September is Alpharetta’s 4th warmest month, with average highs of 83°F and lows of 63°F. That is 5° cooler than August, and 11° above the yearly average high.
High and low Rain
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A look around town before you go.

THINGS TO DO · YOUTUBE SHORT
A local activity video shared by Connected Alpharetta.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
A local activity Short shared by Around Atlanta with Joel Boss.
Watch on YouTube ↗Planning a trip? See the best time to visit Alpharetta and today’s forecast.
Average highs are 83°F and average lows 63°F, for a daily mean of 73°F. Individual days run hotter or colder than these 30-year averages.
September averages 4.1 in of precipitation over about 8 days with at least 0.01 in. It is the 9th wettest month of the year.
Around mid-September the sun rises about 7:20 AM and sets about 7:44 PM, for roughly 12.4 hours of daylight.
The mildest months for visiting are April, May, October. September is warm, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, Atlanta Peachtree Ap station (13.4 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.