Gurnee
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Gurnee Weather in September

With daytime temperatures of 23°C (73°F) and nighttime lows of 13°C (55°F), September in Gurnee brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 95 mm (3.7 in) falls on average.

Rainfall in Gurnee in September

Records from the past 30 years suggest around 10 days of rain, with 95 mm (3.7 in) average for the month. 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 Gurnee in September

Gurnee has excellent weather in September, with days reaching 23°C (73°F) and nights cooling to 13°C (55°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. 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 Gurnee in September

Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Gurnee.

Gurnee Temperature in September

Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
95 mm (3.7 in)
Rainy days
10 days
Humidity
71% *
Sunshine
226 hours *
Percentage Sunshine
60% *
* Data from: Chicago, the United States of America (43 KM, 26 Miles).

Gurnee Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Gurnee - 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 Gurnee in September

For Gurnee 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Gurnee in September

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

Gurnee 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

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