Greenville Weather in September

Thinking of visiting Greenville in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Greenville in September

The climate data from previous years indicates about 9 days of rain, averaging 103 mm (4.1 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 Greenville in September

Daytime temperatures in Greenville reach 27°C (81°F) in September, dropping to 14°C (57°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Greenville in September

The city usually sees around 235 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Greenville.

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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 Greenville's climate page.

Greenville Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 30%  

Precipitation 103 mm (4.1 in)  

Rainy days 9 days  

Humidity 71% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: St. Louis, the United States of America (74 KM, 46 Miles).

What to Wear in Greenville in September

Warm but pleasant conditions in Greenville in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Greenville 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

6/10

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 Greenville's climate page.

More climate data for Greenville

Temperature Rainfall Sunshine Humidity

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