September weather forecast
Elwood, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Elwood, Illinois, with an average temperature fluctuating between 74.7°F (23.7°C) and 56.7°F (13.7°C).

Temperature

Elwood registers an average high-temperature of a still warm 74.7°F (23.7°C) at the commencement of September, closely related to the preceding month. An average nighttime temperature of 56.7°F (13.7°C) is observed in Elwood during September.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Elwood, during September, the rain falls for 12.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Elwood, Illinois, there are 154.5 rainfall days, and 32.68" (830mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Elwood is 12h and 28min.
On the first day of September in Elwood, sunrise is at 6:19 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm CDT.

Sunshine

In Elwood, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in September in Elwood?

In September, the average high-temperature and low-temperature in Elwood are 74.7°F (23.7°C) and 56.7°F (13.7°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in September in Elwood?

In Elwood, Illinois, the average relative humidity in September is 78%.

How much does it rain in Elwood in September?

In Elwood, in September, during 12.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Elwood?

In Elwood, Illinois, snow does not fall in May through October.

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

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

What time are sunrise and sunset in September in Elwood?

On the first day of September, sunrise is at 6:19 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm CDT.

How long on average sun shines in September in Elwood?

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

What is the UV index reading in September in Elwood?

The average daily maximum UV index in September in Elwood, Illinois, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Elwood, IL

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

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in September
Elwood, IL

Average pressure in September - Elwood, 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 (29.92"Hg).

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Average wind speed in September
Elwood, IL

Average wind speed in September - Elwood, IL
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in September
Elwood, IL

Average humidity in September - Elwood, IL
  • Average humidity in September: 78%

The months with the highest relative humidity are February, July and August (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Elwood, IL

Average rainfall in September - Elwood, IL
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in September
Elwood, IL

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

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in September
Elwood, IL

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

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Elwood, IL

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

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Elwood, 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: 8h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in September
Elwood, IL

Average sunshine days in September - Elwood, IL
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in September
Elwood, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Elwood, IL

Average cloud cover in September - Elwood, IL
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in September
Elwood, IL

Average visibility in September - Elwood, 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).

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Elwood, Illinois, USA

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