McDonough Weather in September

September in McDonough averages 29°C (84°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 86 mm (3.4 in) on average. An umbrella is a good idea.

Rainfall in McDonough in September

The climate data from previous years indicates about 8 days of rain, averaging 86 mm (3.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in McDonough in September

September in McDonough is generally perfect, with days reaching 29°C (84°F) and nights settling around 17°C (63°F). This kind of day-to-night contrast is typical for this time of year. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in McDonough in September

Expect a lot of sunshine this month, with about 227 hours of sun. These sunny conditions add to the overall experience.

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 McDonough.

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• January
• February
• March
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• May
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• July
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• September
• October
• November
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For a detailed overview over the year and the best time to visit the United States of America, check out our McDonough's climate page.

McDonough Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 27%  

Precipitation 86 mm (3.4 in)  

Rainy days 8 days  

Humidity 74% *  

Sunshine 227 hours *  

Percentage Sunshine 61% *  

* Data from: Atlanta, the United States of America (40 KM, 25 Miles).

What to Wear in McDonough 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 McDonough 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 McDonough's climate page.

More climate data for McDonough

Temperature Rainfall Sunshine Humidity

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