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 stands at a still moderately hot 77°F (25°C), closely aligned with August's 81.1°F (27.3°C). September in Elwin generally records an average low-temperature of 58.5°F (14.7°C).Humidity
In September, the average relative humidity in Elwin is 76%.Rainfall
In Elwin, Illinois, in September, during 10.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Elwin, during the entire year, the rain falls for 130.2 days and collects up to 16.34" (415mm) of precipitation.Snowfall
May through October are months without snowfall in Elwin, Illinois.Daylight
In Elwin, 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, in Elwin, Illinois, sunrise is at 6:51 am and sunset at 6:39 pm CDT.
Sunshine
In Elwin, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Elwin?
What is the average humidity in September in Elwin?
How many days does it rain in September in Elwin?
When it does not snow in Elwin?
How many hours of daylight does Elwin have in September?
When are sunrise and sunset in September in Elwin?
How long on average sun shines in September in Elwin?
How high is the UV index in September in Elwin?
Average temperature in September
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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
Elwin, 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).
Elwin, Illinois, USA
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