September weather forecastCazenovia, IL
September
Weather in September
September, the first month of the autumn in Cazenovia, is also a moderately hot month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 57°F (13.9°C).Temperature
As Cazenovia welcomes September, the average high-temperature is noted at a still warm 76.1°F (24.5°C), closely aligning with the preceding month. Cazenovia experiences a consistent average temperature of 57°F (13.9°C) throughout the nights in September.Humidity
In Cazenovia, the average relative humidity in September is 76%.Rainfall
In September, in Cazenovia, the rain falls for 9.8 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 119 rainfall days, and 13.11" (333mm) of precipitation is accumulated.Snowfall
In Cazenovia, snow does not fall in May through September.Daylight
In Cazenovia, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm CDT.
Sunshine
In Cazenovia, the average sunshine in September is 9.2h.UV index
In Cazenovia, Illinois, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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
Cazenovia, IL
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Cazenovia, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cazenovia, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Cazenovia, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cazenovia, IL
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Cazenovia, IL
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Cazenovia, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cazenovia, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 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
Cazenovia, 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: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Cazenovia, IL
- Average sunshine days in September: 17 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Cazenovia, IL
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cazenovia, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Cazenovia, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





