Prospect Heights weather in September (Illinois, United States of America)
Curious about the September weather in Prospect Heights? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In Prospect Heights the weather in September is generally perfect, characterized by high temperatures and moderate rainfall. Daytime temperatures hover around 24°C, while nights can cool down to about 13°C.
Prospect Heights in September usually receives moderate rainfall, averaging around 97 mm for the month. Typically around 9 days of rainfall is expected.
The days are predominantly sunny, with an estimated total of around 226 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. September generally stands out with 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 Prospect Heights climate page with graphs.
Prospect Heights, monthly averages in September
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
So, what should you wear in Prospect Heights in September?
For visitors traveling to Prospect Heights, 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 in September.
Interested in more climate information?
This site provides you with all the information you need about the climate in Prospect Heights.
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 climate conditions. Find out where to go with our weather planner.