September weather forecast
Woodhull, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Woodhull, Illinois, with an average temperature varying between 56.3°F (13.5°C) and 75.4°F (24.1°C).

Temperature

The advent of September brings an average high-temperature of a still warm 75.4°F (24.1°C), exhibiting minor difference from the previous month. During the month of September, Woodhull experiences a steady low-temperature average of 56.3°F (13.5°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Woodhull, in September, it is raining for 9.9 days, with typically 1.26" (32mm) of accumulated precipitation. In Woodhull, Illinois, during the entire year, the rain falls for 127.7 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

In Woodhull, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm CDT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

In Woodhull, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Woodhull, in September, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Woodhull, Illinois, the average relative humidity in September is 76%.

How many days does it rain in September?

In Woodhull, in September, during 9.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow?

In Woodhull, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

In Woodhull, the average day length in September is 12h and 28min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Woodhull, IL

Average temperature in September - Woodhull, IL
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in September: 56.3°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 (16.5°F).

Average pressure in September
Woodhull, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Woodhull, IL

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

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

Average humidity in September
Woodhull, IL

Average humidity in September - Woodhull, 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 (72%).

Average rainfall in September
Woodhull, IL

Average rainfall in September - Woodhull, IL
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in September
Woodhull, IL

Average rainfall days in September - Woodhull, IL
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (4 days).

Average snowfall in September
Woodhull, IL

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

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Woodhull, IL

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

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Woodhull, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Woodhull, IL

Average sunshine days in September - Woodhull, IL
  • Average sunshine days in September: 18 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in September
Woodhull, IL

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

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

Average cloud cover in September
Woodhull, IL

Average cloud cover in September - Woodhull, IL
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Woodhull, IL

Average visibility in September - Woodhull, IL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Woodhull, Illinois, USA

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