September weather forecast
Ellsworth, IL

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Weather in September

The first month of the autumn, September, is still a warm month in Ellsworth, Illinois, with an average temperature varying between 75.9°F (24.4°C) and 57.9°F (14.4°C).

Temperature

Ellsworth's transition from August to September introduces an average high-temperature of a still moderately hot 75.9°F (24.4°C), marking an insignificant variation from the 79.9°F (26.6°C). September nights are marked by an average temperature drop to a refreshing 57.9°F (14.4°C).

Humidity

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

Rainfall

In September, the rain falls for 11.6 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 139 rainfall days, and 20.83" (529mm) of precipitation is accumulated.

Snowfall

In Ellsworth, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm CDT.

Sunshine

In September, the average sunshine is 9h.

UV index

In Ellsworth, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 75.9°F (24.4°C) and 57.9°F (14.4°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in September?

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

How many days does it rain in September?

In Ellsworth, in September, it is raining for 11.6 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow?

In Ellsworth, snow does not fall in May through October.

How many hours of daylight does Ellsworth have in September?

In September, the average day length in Ellsworth is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Ellsworth have in September?

In September, the average sunshine duration is 9h.

How high is the UV index in September?

In Ellsworth, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Ellsworth, IL

Average temperature in September - Ellsworth, IL
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 57.9°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 (19.6°F).

Average pressure in September
Ellsworth, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Ellsworth, IL

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

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Ellsworth, IL

Average humidity in September - Ellsworth, IL
  • Average humidity in September: 76%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Ellsworth, IL

Average rainfall in September - Ellsworth, IL
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in September
Ellsworth, IL

Average rainfall days in September - Ellsworth, IL
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in September
Ellsworth, IL

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

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Ellsworth, IL

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

The month with the highest number of snowfall days is January (9.8 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
Ellsworth, IL

Average daylight in September / Average sunshine in September - Ellsworth, IL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Ellsworth, IL

Average sunshine days in September - Ellsworth, IL
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Ellsworth, IL

Average UV index in September - Ellsworth, IL
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Ellsworth, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in September
Ellsworth, IL

Average visibility in September - Ellsworth, 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).

Ellsworth, Illinois, USA

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