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
In September, Argenta experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 81.1°F (27.3°C) in August to a still moderately hot 76.6°F (24.8°C). Throughout September, Argenta's nights cool down to an average of 58.3°F (14.6°C).Humidity
In Argenta, the average relative humidity in September is 76%.Rainfall
In September, in Argenta, the rain falls for 11.5 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Argenta, there are 139.9 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Argenta.Daylight
In Argenta, Illinois, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:23 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September in Argenta is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the average September temperature in Argenta?
What is the average humidity in September in Argenta?
How many days does it rain in September in Argenta?
When it does not snow in Argenta?
What is the average length of the day in September in Argenta?
When are sunrise and sunset in September in Argenta?
How long on average sun shines in September in Argenta?
How high is the UV index in September in Argenta?
Average temperature in September
Argenta, IL
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Argenta, 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 (29.92"Hg).
Average wind speed in September
Argenta, IL
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are January, February and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Argenta, 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 (70%).
Average rainfall in September
Argenta, IL
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Argenta, IL
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Argenta, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Argenta, IL
- Average snowfall days in September: 0.1 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 and August (0 days).
Average daylight in September /
Average sunshine in September
Argenta, 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 0min
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
Argenta, IL
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Argenta, 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
Argenta, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Argenta, 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).
Argenta, Illinois, USA
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