September weather forecast
Cecil, KY

Share

Weather in September

September, the first month of the autumn in Cecil, is still a warm month, with an average temperature varying between 81.5°F (27.5°C) and 61.7°F (16.5°C).

Temperature

The transition into September reveals an average high-temperature of a moderately hot 81.5°F (27.5°C), mirroring a close resemblance to August. Cecil observes an average low-temperature of 61.7°F (16.5°C) during September nights.

Heat index

September's average heat index is appraised at a tropical 86°F (30°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In September, the average relative humidity is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Cecil, the average length of the day in September is 12h and 25min.
On the first day of September in Cecil, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

Sunshine

The average sunshine in September in Cecil is 9.6h.

UV index

In Cecil, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Cecil, records 81.5°F (27.5°C), while the low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September?

In Cecil, the average relative humidity in September is 72%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.5" (38mm) of precipitation.

How much does it rain in September?

In Cecil, in September, it is raining for 11.1 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

In Cecil, snow does not fall in May through October.

How many hours of daylight does Cecil have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Cecil have in September?

In September, the average sunshine duration is 9.6h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Cecil, KY

Average temperature in September - Cecil, KY
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in September
Cecil, KY

Average pressure in September - Cecil, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Cecil, KY

Average wind speed in September - Cecil, KY
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in September
Cecil, KY

Average humidity in September - Cecil, KY
  • Average humidity in September: 72%

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

Average rainfall in September
Cecil, KY

Average rainfall in September - Cecil, KY
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
Cecil, KY

Average rainfall days in September - Cecil, KY
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).

Average snowfall in September
Cecil, KY

Average snowfall in September - Cecil, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Cecil, KY

Average snowfall days in September - Cecil, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Cecil, KY

Average daylight in September / Average sunshine in September - Cecil, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Cecil, KY

Average sunshine days in September - Cecil, KY
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).

Average UV index in September
Cecil, KY

Average UV index in September - Cecil, KY
  • 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
Cecil, KY

Average cloud cover in September - Cecil, KY
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).

Average visibility in September
Cecil, KY

Average visibility in September - Cecil, KY
  • 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).

Cecil, Kentucky, USA

Weather forecast for your location

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