September weather forecastRutland, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Rutland, Illinois, with an average temperature fluctuating between 56.8°F (13.8°C) and 75.6°F (24.2°C).Temperature
The arrival of September sees a recorded average high-temperature of a still warm 75.6°F (24.2°C), showing little divergence from the previous month's conditions. Throughout September, a steady low-temperature average of 56.8°F (13.8°C) is noted.Humidity
In Rutland, the average relative humidity in September is 76%.Rainfall
In Rutland, Illinois, during September, the rain falls for 10.2 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Rutland, during the entire year, the rain falls for 122.1 days and collects up to 15.28" (388mm) of precipitation.Snowfall
In Rutland, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm CDT.
Sunshine
In Rutland, the average sunshine in September is 9h.UV index
In Rutland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rutland, IL
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Rutland, 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
Rutland, IL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Rutland, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Rutland, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Rutland, IL
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Rutland, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rutland, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Rutland, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Rutland, IL
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Rutland, 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 December (UV index 1).
Average cloud cover in September
Rutland, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Rutland, 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).





