Zion weather in September (Illinois, United States of America)

What is the weather forecast for Zion in September? Here's what you need to know about the weather for the month.

Temperatures

The weather in Zion during September is typically perfect, with high temperatures and moderate rainfall. You can expect daytime temperatures to reach around 22°C, while the nights will see a decline to about 13°C.

Precipitation

Zion in September usually receives moderate rainfall, averaging around 92 mm for the month. The climate data from previous years indicates that there are typically about 10 days days of rain.

Average sunshine

There are approximately 226 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Zion. July, August and September typically offer the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

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

 

Zion, monthly averages in September

Min Temperature 13°C  

Max Temperature 22°C  

Chance of Rain 33%  

Precipitation 92 mm  

Rainy days 10 days  

Humidity 71% *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, the United States of America (51 KM, 32 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?

For visitors traveling to Zion, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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.