September weather forecastCedar Point, IL
September
Weather in September
September, the first month of the autumn in Cedar Point, is still a warm month, with an average temperature ranging between max 74.5°F (23.6°C) and min 56.1°F (13.4°C).Temperature
Cedar Point experiences an average high-temperature of a still warm 74.5°F (23.6°C) in September, subtly different from August's 79.5°F (26.4°C). Cedar Point anticipates an average minimum temperature of 56.1°F (13.4°C) in the month of September.Humidity
In Cedar Point, the average relative humidity in September is 78%.Rainfall
In Cedar Point, in September, during 11.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 151.4 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
In Cedar Point, snow does not fall in May through September.Daylight
In Cedar Point, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm CDT.
Sunshine
In Cedar Point, the average sunshine in September is 8.8h.UV index
In Cedar Point, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedar Point, IL
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Cedar Point, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cedar Point, IL
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Cedar Point, IL
- Average humidity in September: 78%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cedar Point, IL
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in September
Cedar Point, IL
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in September
Cedar Point, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cedar Point, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cedar Point, IL
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Cedar Point, IL
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Cedar Point, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cedar Point, IL
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in September
Cedar Point, IL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
