September weather forecast
Eddyville, IL

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Weather in September

The first month of the autumn, September, is still a warm month in Eddyville, Illinois, with an average temperature varying between 80.8°F (27.1°C) and 60.4°F (15.8°C).

Temperature

The onset of September brings an average high-temperature of a still moderately hot 80.8°F (27.1°C), nearly matching the August temperature. In September, Eddyville reports a consistent average low-temperature of 60.4°F (15.8°C) during the nights.

Heat index

The heat index for September is estimated at 84.2°F (29°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

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

Daylight

In Eddyville, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

Sunshine

In September, the average sunshine in Eddyville is 9.2h.

UV index

In September, the average daily maximum UV index in Eddyville is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Eddyville in September?

The high-temperature in Eddyville during September is 80.8°F (27.1°C) and the low-temperature is 60.4°F (15.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in September in Eddyville?

In Eddyville, the average relative humidity in September is 73%.

What is the driest month in Eddyville?

The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in Eddyville in September?

In September, in Eddyville, the rain falls for 10.5 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Eddyville?

May through September are months without snowfall in Eddyville.

Does it snow in Eddyville in September?

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

How many hours of daylight does Eddyville have in September?

In Eddyville, Illinois, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Eddyville?

On the first day of September in Eddyville, sunrise is at 6:25 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Eddyville have in September?

In September, the average sunshine duration is 9.2h.

How high is the UV index in September in Eddyville?

In Eddyville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Eddyville, IL

Average temperature in September - Eddyville, IL
  • Average high temperature in September: 80.8°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in September
Eddyville, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Eddyville, IL

Average wind speed in September - Eddyville, IL
  • Average wind speed in September: 6.4mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Eddyville, IL

Average humidity in September - Eddyville, IL
  • Average humidity in September: 73%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Eddyville, IL

Average rainfall in September - Eddyville, IL
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Eddyville, IL

Average rainfall days in September - Eddyville, IL
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in September
Eddyville, IL

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

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Eddyville, IL

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

The month with the highest number of snowfall days is January (5.3 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
Eddyville, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Eddyville, IL

Average sunshine days in September - Eddyville, IL
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in September
Eddyville, IL

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

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

Average cloud cover in September
Eddyville, IL

Average cloud cover in September - Eddyville, IL
  • Average cloud cover in September: 28

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in September
Eddyville, IL

Average visibility in September - Eddyville, 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).

Eddyville, Illinois, USA

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