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 brings an average high-temperature of an agreeable 73°F (22.8°C), demonstrating subtle variation from the preceding month. An average minimum temperature of 54.5°F (12.5°C) marks the month of September in Oregon.Humidity
In Oregon, the average relative humidity in September is 79%.Rainfall
In Oregon, during September, the rain falls for 10.6 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Oregon, there are 141.2 rainfall days, and 20.31" (516mm) of precipitation is accumulated.Snowfall
In Oregon, snow does not fall in May through September.Daylight
In September, the average length of the day in Oregon is 12h and 28min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm CDT.
Sunshine
In Oregon, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Oregon in September?
What is the average humidity in September in Oregon?
How many days does it rain in September in Oregon?
When it does not snow in Oregon?
Does it snow in Oregon in September?
How many hours of daylight does Oregon have in September?
When is the sunrise / sunset in September in Oregon?
How many hours of sunshine does Oregon have in September?
What is the UV index intensity in September in Oregon?
Average temperature in September
Oregon, IL
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in September
Oregon, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Oregon, IL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Oregon, IL
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Oregon, IL
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in September
Oregon, IL
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Oregon, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Oregon, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 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
Oregon, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Oregon, IL
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Oregon, IL
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Oregon, IL
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Oregon, IL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Oregon, Illinois, USA
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