Earth City Weather in September

In Earth City, September brings high daytime temperatures around 27°C (81°F), with nights cooling to 15°C (59°F). Expect quite a bit of rainfall this month.

Rainfall in Earth City in September

Looking at the last 30 years, the data shows about 9 days with rain, averaging 97 mm (3.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Earth City in September

If you're visiting Earth City in September, expect excellent temperatures with highs of 27°C (81°F) and overnight lows of 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. 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 Earth City 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're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Earth City's climate page.

Earth City Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 29%  

Precipitation 97 mm (3.8 in)  

Rainy days 9 days  

Humidity 71% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

* Data from: St. Louis, the United States of America (28 KM, 17 Miles).

What to Wear in Earth City in September

Warm but pleasant conditions in Earth City 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Earth City 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 Earth City's climate page.

More climate data for Earth City

Temperature Rainfall Sunshine Humidity

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