September weather forecast
Hometown, IL

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Weather in September

September, the first month of the autumn in Hometown, is still a warm month, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 59.2°F (15.1°C).

Temperature

In Hometown, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 79.9°F (26.6°C) to a still warm 73.6°F (23.1°C). In the month of September, the nighttime temperature in Hometown dips to a steady average of 59.2°F (15.1°C).

Humidity

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

Rainfall

In Hometown, in September, it is raining for 13.5 days, with typically 1.97" (50mm) of accumulated precipitation. In Hometown, during the entire year, the rain falls for 147.7 days and collects up to 23.62" (600mm) of precipitation.

Snowfall

May through September are months without snowfall in Hometown, Illinois.

Daylight

In September, the average length of the day in Hometown, Illinois, is 12h and 28min.
On the first day of September, sunrise is at 6:17 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm CDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

In Hometown, Illinois, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the average September temperature in Hometown?

The high-temperature, in September, in Hometown, is 73.6°F (23.1°C), while the low-temperature averages to 59.2°F (15.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September in Hometown?

The average relative humidity in September is 75%.

How much does it rain in Hometown in September?

In Hometown, in September, it is raining for 13.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Hometown?

May through September are months without snowfall in Hometown.

Does it snow in Hometown in September?

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

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

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

When is the sunrise / sunset in September in Hometown?

On the first day of September in Hometown, Illinois, sunrise is at 6:17 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm CDT.

How long on average sun shines in September in Hometown?

The average sunshine duration in September in Hometown, Illinois, is 9.1h.

What is the UV index intensity in September in Hometown?

The average daily maximum UV index in September in Hometown is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Hometown, IL

Average temperature in September - Hometown, IL
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Hometown, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Hometown, IL

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

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

Average humidity in September
Hometown, IL

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

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Hometown, IL

Average rainfall in September - Hometown, IL
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").

Average rainfall days in September
Hometown, IL

Average rainfall days in September - Hometown, IL
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in September
Hometown, IL

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

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Hometown, IL

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

The month with the highest number of snowfall days is January (11.8 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
Hometown, IL

Average daylight in September / Average sunshine in September - Hometown, 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 12min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Hometown, IL

Average sunshine days in September - Hometown, IL
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Hometown, IL

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

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

Average cloud cover in September
Hometown, IL

Average cloud cover in September - Hometown, IL
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Hometown, IL

Average visibility in September - Hometown, 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).

Hometown, Illinois, USA

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