Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Alpharetta Weather in September
With daytime temperatures of 28°C (82°F) and nighttime lows of 17°C (63°F), September in Alpharetta brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 90 mm (3.5 in) falls on average.
Rainfall in Alpharetta in September
You can expect rain on around 8 days based on historical patterns, with 90 mm (3.5 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Alpharetta in September
September is a excellent month in Alpharetta, with 28°C (82°F) during the day and 17°C (63°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Alpharetta in September
The days are predominantly sunny, with an estimated total of around 227 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Alpharetta.
Alpharetta Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
28°C (82°F)
Chance of Rain
27%
Precipitation
90 mm (3.5 in)
Rainy days
8 days
Humidity
74% *
Sunshine
227 hours *
Percentage Sunshine
61% *
* Data from: Atlanta, the United States of America (37 KM, 23 Miles).
Alpharetta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alpharetta - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Alpharetta in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Alpharetta in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Alpharetta 3-Day Forecast
More climate data for Alpharetta
Temperature Rainfall Sunshine Humidity
See the full Alpharetta climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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