September weather forecast
Fults, IL

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Weather in September

September, the first month of the autumn in Fults, is still a warm month, with an average temperature varying between 59.9°F (15.5°C) and 79.7°F (26.5°C).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a hot 86.2°F (30.1°C) in August to a warm 79.7°F (26.5°C). Throughout September, Fults anticipates an average low-temperature of 59.9°F (15.5°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 13 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 155 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

In Fults, snow does not fall in April through October.

Daylight

In Fults, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm CDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Fults, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, the average high-temperature and low-temperature are 79.7°F (26.5°C) and 59.9°F (15.5°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 98.6°F (37°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Fults, Illinois, in September, it is raining for 13 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow?

In Fults, Illinois, snow does not fall in April through October.

How many hours of daylight does Fults have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm CDT.

How many hours of sunshine does Fults have in September?

The average sunshine duration in September is 9.5h.

What is the UV index intensity in September?

In Fults, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Fults, IL

Average temperature in September - Fults, IL
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in September
Fults, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Fults, IL

Average wind speed in September - Fults, IL
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Fults, IL

Average humidity in September - Fults, IL
  • Average humidity in September: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Fults, IL

Average rainfall in September - Fults, IL
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days in September
Fults, IL

Average rainfall days in September - Fults, IL
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in September
Fults, IL

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

The month with the highest snowfall is January (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Fults, IL

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Fults, IL

Average sunshine days in September - Fults, IL
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in September
Fults, IL

Average UV index in September - Fults, 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, November and December (UV index 2).

Average cloud cover in September
Fults, IL

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

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).

Average visibility in September
Fults, IL

Average visibility in September - Fults, 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).

Fults, Illinois, USA

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