Forest Park Weather in September

September in Forest Park averages 29°C (84°F) during the day and 18°C (64°F) at night. With just 82 mm (3.2 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Forest Park in September

You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. Rain is expected on roughly 8 days, totalling around 82 mm (3.2 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Forest Park in September

Forest Park has perfect weather in September, with days reaching 29°C (84°F) and nights cooling to 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. At 18°C (64°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 Forest Park in September

Enjoy a sunny month with about 227 hours of sunshine, the clear skies make Forest Park even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, September and October typically offer the best weather for Forest Park.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Forest Park's climate page.

Forest Park Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 27%  

Precipitation 82 mm (3.2 in)  

Rainy days 8 days  

Humidity 74% *  

Sunshine 227 hours *  

Percentage Sunshine 61% *  

* Data from: Atlanta, the United States of America (14 KM, 8 Miles).

What to Wear in Forest Park in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Forest Park in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Forest Park's climate page.

More climate data for Forest Park

Temperature Rainfall Sunshine Humidity

See the full Forest Park climate overview or explore weather in the United States of America.