Saint Peters weather in September (Missouri, United States of America)

Curious about the climate in Saint Peters this September? Use this page to get an overview of the month’s weather conditions.

Temperatures

September in Saint Peters generally includes high temperatures and high rainfall. Daytime temperatures generally settle around 27°C, while nighttime can see a dip to about 14°C.

Precipitation

Saint Peters in September usually receives high rainfall, averaging around 103 mm for the month. Typically, you can expect about 8 days of rain this month.

Average sunshine

The city usually sees around 235 hours of sunlight, indicating many sunny days.

If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Saint Peters climate page with graphs.

 

Saint Peters, monthly averages in September

Min Temperature 14°C  

Max Temperature 27°C  

Chance of Rain 27%  

Precipitation 103 mm  

Rainy days 8 days  

Humidity 71% *  

Sunshine 235 hours *  

Percentage Sunshine 63% *  

Data from: St. Louis, the United States of America (41 KM, 26 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Saint Peters.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.