Atlanta

Atlanta's End-of-September Forecast, Sunny Days with Sporadic Showers and Thunderstorms Expected

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Published on September 26, 2025
Atlanta's End-of-September Forecast, Sunny Days with Sporadic Showers and Thunderstorms ExpectedSource: Google Street View

As Atlanta enters the final days of September, residents can expect to experience a mix of mostly sunny skies punctuated with sporadic showers and potential thunderstorms. According to the National Weather Service, today boasts a 30 percent probability of rain, primarily post the 2pm mark, with a considerable cloud cover and highs peaking near 82 degrees. A southwest breeze will gradually make itself felt, stirring the air at around 5 mph as the afternoon progresses.

As night descends, the likelihood of precipitation dips slightly to 20 percent, with the chance of rain and thunder ebbing before midnight. A veil of patchy fog is anticipated to quietly envelop the city after 3am. Atlanta's denizens can expect to awaken Saturday to modest fog that ought to dissipate by 9am, paving the way for mostly sunny skies and highs fluttering around the 83-degree mark, while winds shift to a northwesterly direction at about 5 mph later in the day.

Continuing through the weekend, Sunday promises unblemished sunshine, tempting thermometers to stretch up to a comfortable 84 degrees, accompanied by a gentle east wind. The serene spell seems set to last into Sunday night, with the skies largely empty of clouds and lows hovering near 66 degrees.

As the new workweek beckons, Monday maintains the trend, with a marginal 20 percent chance of showers in the afternoon. It is to remain generally sunny with highs in the lower 80s, giving way to a partly cloudy evening with a slim 10 percent chance for precipitation before 8pm. Through to Thursday, Atlantans can largely expect more of the same – sunny days with temperatures to subtly slide down into the mid-70s by week's end.