Suwanee Weather in September

September in Suwanee averages 28°C (82°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 97 mm (3.8 in) on average. An umbrella is a good idea.

Rainfall in Suwanee in September

Looking at the last 30 years, the data shows about 7 days with rain, averaging 97 mm (3.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Suwanee in September

If you're visiting Suwanee in September, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. 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 Suwanee 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. April and September typically offer the best weather for Suwanee.

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• January
• February
• March
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• May
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• October
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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 Suwanee's climate page.

Suwanee Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 24%  

Precipitation 97 mm (3.8 in)  

Rainy days 7 days  

Humidity 74% *  

Sunshine 227 hours *  

Percentage Sunshine 61% *  

* Data from: Atlanta, the United States of America (44 KM, 27 Miles).

What to Wear in Suwanee 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Suwanee 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 Suwanee's climate page.

More climate data for Suwanee

Temperature Rainfall Sunshine Humidity

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