September weather forecast
Norwood, IL

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Weather in September

September, the first month of the autumn in Norwood, is still a warm month, with an average temperature varying between 57.2°F (14°C) and 76.1°F (24.5°C).

Temperature

With the start of September, Norwood measures an average high-temperature of a still moderately hot 76.1°F (24.5°C), not significantly differing from August's 81.1°F (27.3°C). Throughout September, the nighttime temperature averages to a moderate 57.2°F (14°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Norwood, in September, during 10.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 129.2 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:41 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value 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:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Norwood, in September, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 57.2°F (14°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How much does it rain in September?

In Norwood, in September, it is raining for 10.5 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Norwood?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, in Norwood, sunrise is at 6:55 am and sunset at 6:41 pm CDT.

How many hours of sunshine does Norwood have in September?

In September, the average sunshine duration is 9.3h.

What is the UV index reading in September in Norwood?

In Norwood, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents 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
Norwood, IL

Average temperature in September - Norwood, IL
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Norwood, IL

Average pressure in September - Norwood, 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 (29.91"Hg).

Average wind speed in September
Norwood, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Norwood, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Norwood, IL

Average rainfall in September - Norwood, IL
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in September
Norwood, IL

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

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in September
Norwood, IL

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

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

Average snowfall days in September
Norwood, IL

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

The month with the highest number of snowfall days is January (9 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
Norwood, IL

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

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 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Norwood, IL

Average sunshine days in September - Norwood, IL
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Norwood, IL

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

The months with the highest UV index are 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
Norwood, IL

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Norwood, IL

Average visibility in September - Norwood, 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).

Norwood, Illinois, USA

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