September weather forecast
Nora, IL

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Weather in September

The first month of the autumn, September, is still a pleasant month in Nora, Illinois, with an average temperature ranging between max 72.1°F (22.3°C) and min 53.1°F (11.7°C).

Temperature

In Nora, the average high-temperature in September slightly decreases from a warm 78.3°F (25.7°C) in August to an agreeable 72.1°F (22.3°C). During September, Nora consistently records a temperature low averaging a cool 53.1°F (11.7°C).

Humidity

In Nora, the average relative humidity in September is 81%.

Rainfall

In Nora, during September, the rain falls for 11.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Nora, during the entire year, the rain falls for 140.7 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Nora is 12h and 28min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:33 pm. On the last day of September, in Nora, sunrise is at 6:56 am and sunset at 6:42 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Nora, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Nora?

The average high-temperature, in September, in Nora, is 72.1°F (22.3°C), while the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in September in Nora?

In September, the average relative humidity in Nora, Illinois, is 81%.

How many days does it rain in September in Nora?

In Nora, in September, during 11.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Nora?

May through September are months without snowfall.

Does it snow in Nora in September?

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

What is the average length of the day in September in Nora?

The average day length in September in Nora is 12h and 28min.

When are sunrise and sunset in September in Nora?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm CDT.

How many hours of sunshine does Nora have in September?

In Nora, the average sunshine duration in September is 8.6h.

How high is the UV index in September in Nora?

In September, the average daily maximum UV index in Nora is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Nora, IL

Average temperature in September - Nora, IL
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in September: 53.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in September
Nora, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Nora, IL

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in September
Nora, IL

Average humidity in September - Nora, IL
  • Average humidity in September: 81%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April, October and November (77%).

Average rainfall in September
Nora, IL

Average rainfall in September - Nora, IL
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in September
Nora, IL

Average rainfall days in September - Nora, IL
  • Average rainfall days in September: 11.7 days

The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in September
Nora, IL

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

The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Nora, IL

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

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Nora, IL
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Nora, IL

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

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in September
Nora, IL

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Nora, IL

Average cloud cover in September - Nora, IL
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in September
Nora, IL

Average visibility in September - Nora, IL
  • Average visibility in September: 5mi

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

Nora, Illinois, USA

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