Pontoon Beach Weather in September

September in Pontoon Beach sees daytime temperatures around 27°C (81°F) and lows of 15°C (59°F) at night. With around 96 mm (3.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Pontoon Beach in September

Rain is expected on roughly 10 days, totalling around 96 mm (3.8 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Pontoon Beach in September

Pontoon Beach in September has excellent weather. Days reach 27°C (81°F) and nights cool to 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 15°C (59°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 Pontoon Beach in September

Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions add to the overall experience.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Pontoon Beach.

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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 Pontoon Beach's climate page.

Pontoon Beach Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 32%  

Precipitation 96 mm (3.8 in)  

Rainy days 10 days  

Humidity 71% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: St. Louis, the United States of America (15 KM, 9 Miles).

What to Wear in Pontoon Beach 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 Pontoon Beach 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 Pontoon Beach's climate page.

More climate data for Pontoon Beach

Temperature Rainfall Sunshine Humidity

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