September weather forecast
Akin, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Akin, Illinois, with an average temperature fluctuating between 80.1°F (26.7°C) and 60.4°F (15.8°C).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 85.5°F (29.7°C) in August to a still warm 80.1°F (26.7°C). Akin in September anticipates an average nighttime temperature of 60.4°F (15.8°C).

Humidity

In September, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:39 pm CDT.

Sunshine

In Akin, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Akin in September?

In September, the average high-temperature and low-temperature are 80.1°F (26.7°C) and 60.4°F (15.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 96.8°F (36°C).

What is the average humidity in September?

In Akin, Illinois, the average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September?

In September, in Akin, the rain falls for 13.4 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 25min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:39 pm CDT.

How long on average sun shines in September?

In Akin, the average sunshine duration in September is 9.2h.

What is the UV index reading in September?

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

Average temperature in September - Akin, IL
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Akin, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Akin, IL

Average wind speed in September - Akin, IL
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Akin, IL

Average humidity in September - Akin, IL
  • Average humidity in September: 73%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Akin, IL

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

The wettest month (with the highest rainfall) is April (4.92").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Akin, IL

Average rainfall days in September - Akin, IL
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in September
Akin, IL

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Akin, IL

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

The month with the highest number of snowfall days is January (6.1 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
Akin, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Akin, IL

Average sunshine days in September - Akin, IL
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in September
Akin, IL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Akin, IL

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Akin, IL

Average visibility in September - Akin, 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).

Akin, Illinois, USA

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