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
With the onset of September, the average high-temperature registers at a still warm 77°F (25°C), subtly different from August's 81.1°F (27.3°C). Long Creek sees an average low-temperature of 58.5°F (14.7°C) during September.Humidity
The average relative humidity in September is 76%.Rainfall
In Long Creek, Illinois, in September, during 10.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, in Long Creek, there are 130.2 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
In Long Creek, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine in Long Creek is 9.2h.UV index
In Long Creek, Illinois, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. 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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Long Creek in September?
What is the average humidity in September in Long Creek?
How much does it rain in Long Creek in September?
When it does not snow in Long Creek?
What is the average length of the day in September in Long Creek?
What time are sunrise and sunset in September in Long Creek?
How many hours of sunshine does Long Creek have in September?
What is the UV index reading in September in Long Creek?
Average temperature in September
Long Creek, IL
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Long Creek, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Long Creek, IL
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Long Creek, 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
Long Creek, IL
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").
Average rainfall days in September
Long Creek, IL
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Long Creek, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Long Creek, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Long Creek, IL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Long Creek, IL
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Long Creek, 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
Long Creek, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Long Creek, 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).
Long Creek, Illinois, USA
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