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
As August makes way for September, Ruma's average high-temperature eases from 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). Throughout the month of September, Ruma sees a steady low-temperature average of 60.3°F (15.7°C).Humidity
In September, the average relative humidity in Ruma, Illinois, is 74%.Rainfall
In Ruma, in September, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Ruma, there are 138.9 rainfall days, and 26.81" (681mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Ruma, the average length of the day in September is 12h and 25min.On the first day of September in Ruma, Illinois, sunrise is at 6:30 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm CDT.
Sunshine
In September, the average sunshine in Ruma, Illinois, is 9.4h.UV index
In September, the average daily maximum UV index in Ruma is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the average September temperature in Ruma?
What is the average humidity in September in Ruma?
How much does it rain in Ruma in September?
When it does not snow in Ruma?
What is the average length of the day in September in Ruma?
What time are sunrise and sunset in September in Ruma?
How many hours of sunshine does Ruma have in September?
How high is the UV index in September in Ruma?
Average temperature in September
Ruma, IL
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Ruma, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ruma, IL
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Ruma, IL
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Ruma, IL
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Ruma, IL
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Ruma, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ruma, IL
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Ruma, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Ruma, IL
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Ruma, IL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ruma, IL
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Ruma, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ruma, Illinois, USA
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