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Driving Roswell Georgia See Why This Atlanta Suburb is So Popular
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Weather · September
Roswell weather in September
Average highs of 83°F, lows of 63°F and 4.1 in of rain, from 30 years of weather records.
September is Roswell’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.
- Average high
- 83°F
- Average low
- 63°F
- Precipitation
- 4.1 in
- Wet days
- 8
- Sunrise · sunset
- 7:20 AM · 7:45 PM
September across the year
High and low Rain
What to wear in September
- Warm days: shorts and T-shirts.
- Pack an umbrella or rain jacket: rain or snow falls on about 8 days this month.
What’s on in Roswell in September
See all upcoming events.
See Roswell
A look around town before you go.
September compared with the months around it
Planning a trip? See the best time to visit Roswell and today’s forecast.
Questions
How hot does it get in Roswell in September?
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.
Does it rain in Roswell in September?
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.
What time is sunset in Roswell in September?
Around mid-September the sun rises about 7:20 AM and sets about 7:45 PM, for roughly 12.4 hours of daylight.
Is September a good time to visit Roswell?
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 (11.7 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.