September weather forecast
Carman, IL

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Weather in September

The first month of the autumn, September, is still a warm month in Carman, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 76.6°F (24.8°C).

Temperature

With the arrival of September, Carman notices a mild change in the average high-temperature, sliding from August's moderately hot 82°F (27.8°C) to a still warm 76.6°F (24.8°C). The temperature dips to an average of 57.2°F (14°C) during September nights.

Humidity

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

Rainfall

In Carman, during September, the rain falls for 11 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 137.6 rainfall days, and 26.65" (677mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Carman is 12h and 27min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of September, in Carman, sunrise is at 7:00 am and sunset at 6:47 pm CDT.

Sunshine

In Carman, Illinois, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What are the temperatures in Carman in September?

In September, the average high-temperature and low-temperature are 76.6°F (24.8°C) and 57.2°F (14°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 87.8°F (31°C).

What is the average humidity in September in Carman?

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

How many days does it rain in September in Carman?

In Carman, Illinois, in September, during 11 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Carman?

In Carman, Illinois, snow does not fall in May through September.

Does it snow in Carman in September?

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

How many hours of daylight does Carman have in September?

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

When are sunrise and sunset in September in Carman?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, in Carman, sunrise is at 7:00 am and sunset at 6:47 pm CDT.

How long on average sun shines in September in Carman?

In September, the average sunshine duration is 9.6h.

How high is the UV index in September in Carman?

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

Average temperature in September - Carman, IL
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in September
Carman, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Carman, IL

Average wind speed in September - Carman, IL
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in September
Carman, IL

Average humidity in September - Carman, IL
  • Average humidity in September: 75%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Carman, IL

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

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in September
Carman, IL

Average rainfall days in September - Carman, IL
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall in September
Carman, IL

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

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Carman, IL

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

The month with the highest number of snowfall days is January (9.8 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
Carman, IL

Average daylight in September / Average sunshine in September - Carman, 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 4min

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 12min).

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Average sunshine days in September
Carman, IL

Average sunshine days in September - Carman, IL
  • Average sunshine days in September: 17.3 days

The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in September
Carman, IL

Average UV index in September - Carman, 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 January (UV index 1).

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Average cloud cover in September
Carman, IL

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

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in September
Carman, IL

Average visibility in September - Carman, 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).

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Carman, Illinois, USA

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