Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Cerro Gordo's shift into September sets the average high-temperature at a still moderately hot 76.8°F (24.9°C), a figure that deviates only slightly from August's 81.1°F (27.3°C). During September, an average low-temperature of 58.5°F (14.7°C) is observed in Cerro Gordo.Humidity
In September, the average relative humidity in Cerro Gordo is 75%.Rainfall
In September, in Cerro Gordo, the rain falls for 12.7 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 147.7 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
In Cerro Gordo, snow does not fall in May through October.Daylight
In September, the average length of the day in Cerro Gordo is 12h and 26min.On the first day of September in Cerro Gordo, sunrise is at 6:23 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September in Cerro Gordo is 9.1h.UV index
The average daily maximum UV index in September in Cerro Gordo, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Cerro Gordo?
What is the average humidity in September in Cerro Gordo?
How many days does it rain in September in Cerro Gordo?
When it does not snow in Cerro Gordo?
What is the average length of the day in September in Cerro Gordo?
What time are sunrise and sunset in September in Cerro Gordo?
How long on average sun shines in September in Cerro Gordo?
How high is the UV index in September in Cerro Gordo?
Average temperature in September
Cerro Gordo, IL
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in September
Cerro Gordo, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Cerro Gordo, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Cerro Gordo, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Cerro Gordo, IL
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in September
Cerro Gordo, IL
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Cerro Gordo, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cerro Gordo, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Cerro Gordo, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Cerro Gordo, IL
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Cerro Gordo, IL
- Average UV index in September: 5
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
Cerro Gordo, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Cerro Gordo, 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).
Cerro Gordo, Illinois, USA
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