September weather forecast
Biggsville, IL

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Weather in September

September, the first month of the autumn in Biggsville, is still a warm month, with an average temperature ranging between max 76.5°F (24.7°C) and min 56.7°F (13.7°C).

Temperature

With the advent of September, Biggsville experiences an average high-temperature of a still warm 76.5°F (24.7°C), mirroring a close resemblance to the previous month. September nights are marked by an average low-temperature of 56.7°F (13.7°C).

Humidity

The average relative humidity in September in Biggsville is 75%.

Rainfall

In Biggsville, Illinois, during September, the rain falls for 11.5 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Biggsville, during the entire year, the rain falls for 150.9 days and collects up to 30.87" (784mm) of precipitation.

Snowfall

In Biggsville, Illinois, snow does not fall in May through September.

Daylight

In September, the average length of the day in Biggsville is 12h and 27min.
On the first day of September, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm CDT.

Sunshine

The average sunshine in September in Biggsville is 9.3h.

UV index

The average daily maximum UV index in September in Biggsville is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What are the temperatures in Biggsville in September?

An average high-temperature, in September, in Biggsville, is 76.5°F (24.7°C) and the average low-temperature is 56.7°F (13.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the average humidity in September in Biggsville?

In September, the average relative humidity is 75%.

How much does it rain in Biggsville in September?

In Biggsville, Illinois, in September, during 11.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Biggsville?

May through September are months without snowfall in Biggsville.

Does it snow in Biggsville in September?

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

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

The average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Biggsville?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of the month, in Biggsville, Illinois, sunrise is at 6:59 am and sunset at 6:46 pm CDT.

How long on average sun shines in September in Biggsville?

In Biggsville, Illinois, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Biggsville?

In Biggsville, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Biggsville, IL

Average temperature in September - Biggsville, IL
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in September
Biggsville, IL

Average pressure in September - Biggsville, IL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Biggsville, IL

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

The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
Biggsville, IL

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Biggsville, IL

Average rainfall in September - Biggsville, IL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").

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Average rainfall days in September
Biggsville, IL

Average rainfall days in September - Biggsville, IL
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in September
Biggsville, IL

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

The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Biggsville, IL

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Biggsville, IL
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Biggsville, IL

Average sunshine days in September - Biggsville, IL
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).

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Average UV index in September
Biggsville, IL

Average UV index in September - Biggsville, 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 January (UV index 1).

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Average cloud cover in September
Biggsville, IL

Average cloud cover in September - Biggsville, IL
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in September
Biggsville, IL

Average visibility in September - Biggsville, 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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Biggsville, Illinois, USA

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