September weather forecast
Hooppole, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Hooppole, Illinois, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 55.8°F (13.2°C).

Temperature

Hooppole's average high-temperature in September is a still warm 74.7°F (23.7°C), marking an insignificant difference from the 79.9°F (26.6°C) of August. Hooppole's average low-temperature in September is measured at a moderate 55.8°F (13.2°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Hooppole, in September, during 12.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Hooppole, during the entire year, the rain falls for 151.5 days and collects up to 30.24" (768mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Hooppole is 12h and 28min.
On the first day of September in Hooppole, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 26, 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 74.7°F (23.7°C) and 55.8°F (13.2°C) respectively.

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In Hooppole, in September, it is raining for 12.5 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Hooppole have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm CDT.

How long on average sun shines in September?

In Hooppole, the average sunshine duration in September is 9.2h.

What is the UV index reading in September?

In September, the average daily maximum UV index 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hooppole, IL

Average temperature in September - Hooppole, IL
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in September
Hooppole, IL

Average pressure in September - Hooppole, IL
  • Average pressure in September: 30.03"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
Hooppole, IL

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

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

Average humidity in September
Hooppole, IL

Average humidity in September - Hooppole, IL
  • Average humidity in September: 77%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Hooppole, IL

Average rainfall in September - Hooppole, IL
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in September
Hooppole, IL

Average rainfall days in September - Hooppole, IL
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in September
Hooppole, IL

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

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Hooppole, IL

Average snowfall days in September - Hooppole, 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
Hooppole, IL

Average daylight in September / Average sunshine in September - Hooppole, 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 12min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Hooppole, IL

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

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).

Average UV index in September
Hooppole, IL

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Hooppole, IL

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in September
Hooppole, IL

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

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

Hooppole, Illinois, USA

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