September weather forecast
Lincolnshire, IL

Weather in September

September, the first month of the autumn in Lincolnshire, is also an agreeable month, with an average temperature varying between 58.1°F (14.5°C) and 73°F (22.8°C).

Temperature

In Lincolnshire, the average high-temperature in September slightly decreases from a warm 79.7°F (26.5°C) in August to an agreeable 73°F (22.8°C). The average low-temperature, in Lincolnshire, Illinois, is 58.1°F (14.5°C).

Humidity

In Lincolnshire, the average relative humidity in September is 75%.

Rainfall

In Lincolnshire, Illinois, during September, the rain falls for 13.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 154.2 rainfall days, and 28.94" (735mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Lincolnshire, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of September, in Lincolnshire, sunrise is at 6:47 am and sunset at 6:35 pm CDT.

Sunshine

In Lincolnshire, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Lincolnshire?

The average high-temperature, in September, in Lincolnshire, is 73°F (22.8°C), while the average low-temperature is 58.1°F (14.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 86°F (30°C).

What is the average humidity in September in Lincolnshire?

The average relative humidity in September is 75%.

How much does it rain in Lincolnshire in September?

In Lincolnshire, in September, it is raining for 13.5 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Lincolnshire?

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

Does it snow in Lincolnshire in September?

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

How many hours of daylight does Lincolnshire have in September?

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

When are sunrise and sunset in September in Lincolnshire?

On the first day of September, sunrise is at 6:17 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:35 pm CDT.

How many hours of sunshine does Lincolnshire have in September?

In September, the average sunshine duration in Lincolnshire is 8.9h.

What is the UV index reading in September in Lincolnshire?

In Lincolnshire, Illinois, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lincolnshire, IL

Average temperature in September - Lincolnshire, IL
  • Average high temperature in September: 73°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°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

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Average pressure in September
Lincolnshire, IL

Average pressure in September - Lincolnshire, 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
Lincolnshire, IL

Average wind speed in September - Lincolnshire, IL
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Lincolnshire, IL

Average humidity in September - Lincolnshire, IL
  • Average humidity in September: 75%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Lincolnshire, IL

Average rainfall in September - Lincolnshire, IL
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").

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Average rainfall days in September
Lincolnshire, IL

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

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in September
Lincolnshire, IL

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

The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lincolnshire, IL

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

The month with the highest number of snowfall days is January (12.5 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
Lincolnshire, IL

Average daylight in September / Average sunshine in September - Lincolnshire, IL
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 10min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in September
Lincolnshire, IL

Average sunshine days in September - Lincolnshire, IL
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in September
Lincolnshire, IL

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

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

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Average cloud cover in September
Lincolnshire, IL

Average cloud cover in September - Lincolnshire, IL
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Lincolnshire, IL

Average visibility in September - Lincolnshire, 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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