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 ushers in a minor alteration in Oraville's climate, with the average high-temperature moving from August's 85.8°F (29.9°C) to a still warm 80.4°F (26.9°C). Oraville witnesses an average low-temperature of 60.3°F (15.7°C) throughout the month of September.Humidity
In Oraville, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Oraville is September, when the rain falls for 12.7 days and typically collects 1.85" (47mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Oraville, sunrise is at 6:28 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:41 pm CDT.
Sunshine
In Oraville, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Oraville is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Oraville in September?
What is the average humidity in September in Oraville?
What is the driest month in Oraville?
How much does it rain in Oraville in September?
When it does not snow in Oraville?
Does it snow in Oraville in September?
How many hours of daylight does Oraville have in September?
When is the sunrise / sunset in September in Oraville?
How many hours of sunshine does Oraville have in September?
How high is the UV index in September in Oraville?
Average temperature in September
Oraville, IL
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Oraville, 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
Oraville, IL
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Oraville, IL
- Average humidity in September: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Oraville, IL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Oraville, IL
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in September
Oraville, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Oraville, IL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Oraville, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 3min
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
Oraville, IL
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Oraville, 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, November and December (UV index 2).
Average cloud cover in September
Oraville, IL
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in September
Oraville, 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).
Oraville, Illinois, USA
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