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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 79.7°F (26.5°C) in August to a still warm 74.3°F (23.5°C). September in Coleta witnesses an average low-temperature hovering around a fresh 55°F (12.8°C).Humidity
The average relative humidity in September in Coleta is 78%.Rainfall
In September, in Coleta, the rain falls for 11.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 145.1 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
In Coleta, Illinois, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Coleta, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To protect against the Sun's most potent rays, avoid direct exposure around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in Coleta in September?
What is the average humidity in September in Coleta?
How many days does it rain in September in Coleta?
When it does not snow in Coleta?
Does it snow in Coleta in September?
What is the average length of the day in September in Coleta?
What time are sunrise and sunset in September in Coleta?
How long on average sun shines in September in Coleta?
How high is the UV index in September in Coleta?
Average temperature in September
Coleta, IL
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in September
Coleta, 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
Coleta, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Coleta, IL
- Average humidity in September: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Coleta, IL
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Coleta, IL
- Average rainfall days in September: 11.9 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Coleta, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Coleta, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Coleta, IL
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Coleta, IL
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Coleta, IL
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Coleta, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Coleta, 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).
Coleta, Illinois, USA
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