Weather · Alpharetta, United States
Alpharetta Weather in September
Alpharetta in September runs 27°C / 17°C with 171mm of rain, a reasonable time to visit.
Avg high
27°C
81°F
Avg low
17°C
63°F
Rainfall
171mm
#4 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Alpharetta builds it around the season for you.