September weather forecast
Bensenville, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bensenville, Illinois, with an average temperature varying between 59.5°F (15.3°C) and 73.4°F (23°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 80.1°F (26.7°C) in August to a still warm 73.4°F (23°C). An average low-temperature of 59.5°F (15.3°C) is observed during September nights.

Humidity

The average relative humidity in September in Bensenville is 74%.

Rainfall

In September, in Bensenville, Illinois, the rain falls for 13.5 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Bensenville, Illinois, during the entire year, the rain falls for 146.5 days and collects up to 24.13" (613mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Bensenville is 12h and 28min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of September, in Bensenville, sunrise is at 6:48 am and sunset at 6:34 pm CDT.

Sunshine

The average sunshine in September in Bensenville is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Bensenville in September?

September temperatures vary between a high-temperature of 73.4°F (23°C) and a low-temperature of 59.5°F (15.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in September in Bensenville?

The average relative humidity in September in Bensenville, Illinois, is 74%.

How many days does it rain in September in Bensenville?

In Bensenville, in September, during 13.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Bensenville?

In Bensenville, Illinois, snow does not fall in June through September.

Does it snow in Bensenville in September?

In Bensenville, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Bensenville?

The average day length in September in Bensenville, Illinois, is 12h and 28min.

When is the sunrise / sunset in September in Bensenville?

On the first day of September, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:34 pm CDT.

How many hours of sunshine does Bensenville have in September?

The average sunshine duration in September in Bensenville, Illinois, is 8.8h.

What is the UV index intensity in September in Bensenville?

The average daily maximum UV index in September in Bensenville is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bensenville, IL

Average temperature in September - Bensenville, IL
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in September
Bensenville, IL

Average pressure in September - Bensenville, IL
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Bensenville, IL

Average wind speed in September - Bensenville, IL
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in September
Bensenville, IL

Average humidity in September - Bensenville, IL
  • Average humidity in September: 74%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Bensenville, IL

Average rainfall in September - Bensenville, IL
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in September
Bensenville, IL

Average rainfall days in September - Bensenville, IL
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in September
Bensenville, IL

Average snowfall in September - Bensenville, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Bensenville, IL

Average snowfall days in September - Bensenville, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Bensenville, IL

Average daylight in September / Average sunshine in September - Bensenville, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in September
Bensenville, IL

Average sunshine days in September - Bensenville, IL
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Bensenville, IL

Average UV index in September - Bensenville, IL
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
Bensenville, IL

Average cloud cover in September - Bensenville, IL
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in September
Bensenville, IL

Average visibility in September - Bensenville, 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).

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Bensenville, Illinois, USA

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