September weather forecast
New Douglas, IL

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in New Douglas, Illinois, with an average temperature varying between 59.4°F (15.2°C) and 77.9°F (25.5°C).

Temperature

As August turns into September, the average high-temperatures rest at a still warm 77.9°F (25.5°C), showing a minor variation from the prior month. September nights are marked by an average temperature drop to a mild 59.4°F (15.2°C).

Humidity

In September, the average relative humidity in New Douglas is 75%.

Rainfall

In New Douglas, in September, during 10.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in New Douglas, there are 121.4 rainfall days, and 14.72" (374mm) of precipitation is accumulated.

Snowfall

In New Douglas, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:42 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In New Douglas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
[Resources]

Frequently asked questions

What are September temperatures in New Douglas?

The high-temperature, in September, in New Douglas, records 77.9°F (25.5°C), while the low-temperature is 59.4°F (15.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in September in New Douglas?

The average relative humidity in September in New Douglas is 75%.

How many days does it rain in September in New Douglas?

In September, the rain falls for 10.4 days. Throughout September, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in New Douglas?

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

How many hours of daylight does New Douglas have in September?

In New Douglas, Illinois, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in New Douglas?

On the first day of September in New Douglas, Illinois, sunrise is at 6:28 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm CDT.

How long on average sun shines in September in New Douglas?

The average sunshine duration in September is 9.3h.

How high is the UV index in September in New Douglas?

In September, the average daily maximum UV index in New Douglas is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
New Douglas, IL

Average temperature in September - New Douglas, IL
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

[Resources]

Average pressure in September
New Douglas, IL

Average pressure in September - New Douglas, 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).

[Resources]

Average wind speed in September
New Douglas, IL

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

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

[Resources]

Average humidity in September
New Douglas, IL

Average humidity in September - New Douglas, IL
  • Average humidity in September: 75%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in September
New Douglas, IL

Average rainfall in September - New Douglas, IL
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

[Resources]

Average rainfall days in September
New Douglas, IL

Average rainfall days in September - New Douglas, IL
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

[Resources]

Average snowfall in September
New Douglas, IL

Average snowfall in September - New Douglas, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
New Douglas, IL

Average snowfall days in September - New Douglas, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
New Douglas, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in September
New Douglas, IL

Average sunshine days in September - New Douglas, IL
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

[Resources]

Average UV index in September
New Douglas, IL

Average UV index in September - New Douglas, 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).

[Resources]

Average cloud cover in September
New Douglas, IL

Average cloud cover in September - New Douglas, IL
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

[Resources]

Average visibility in September
New Douglas, IL

Average visibility in September - New Douglas, 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).

[Resources]

New Douglas, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location