Rock Falls weather in September (Illinois, United States of America)
What kind of weather does September bring to Rock Falls? Check out our in-depth weather guide for this month.
Temperatures
Experience perfect weather in Rock Falls during September, featuring high temperatures and moderate rainfall. Daytime temperatures generally settle around 25°C, while nighttime can see a dip to about 11°C.
Precipitation
Rock Falls in September usually receives moderate rainfall, averaging around 84 mm for the month. This month experiences about 8 days of rain according to historical data.If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Rock Falls. September typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Rock Falls climate page with graphs.
Rock Falls, monthly averages in September
Min Temperature
11°C
Max Temperature
25°C
Chance of Rain
27%
Precipitation
84 mm
Rainy days
8 days
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
For visitors traveling to Rock Falls, 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.
Interested in more climate information?
This site provides you with all the information you need about the climate in Rock Falls.
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.
