Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Waukegan Weather in September
September in Waukegan brings high temperatures, with daytime highs of 22°C (72°F) and nights around 13°C (55°F). Quite a bit of rainfall is expected, around 94 mm (3.7 in), so pack an umbrella.
Rainfall in Waukegan in September
Typically, you can expect about 10 days of rain this month, with 94 mm (3.7 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Waukegan in September
If you're visiting Waukegan in September, expect excellent temperatures with highs of 22°C (72°F) and overnight lows of 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Waukegan in September
Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Waukegan.
Waukegan Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
22°C (72°F)
Chance of Rain
33%
Precipitation
94 mm (3.7 in)
Rainy days
10 days
Humidity
71% *
Sunshine
226 hours *
Percentage Sunshine
60% *
* Data from: Chicago, the United States of America (42 KM, 26 Miles).
Waukegan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Waukegan - and find the best time to visit.
Best Places 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. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Waukegan in September
For Waukegan in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Waukegan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Waukegan 3-Day Forecast
More climate data for Waukegan
Temperature Rainfall Sunshine Humidity
See the full Waukegan climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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