September weather forecast
Forest Hill, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Forest Hill, Kentucky, with an average temperature ranging between min 61.9°F (16.6°C) and max 81.7°F (27.6°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a tropical 87.3°F (30.7°C) in August to a moderately hot 81.7°F (27.6°C). During the month of September, Forest Hill anticipates a mean low-temperature of 61.9°F (16.6°C).

Heat index

September's mean heat index is evaluated at a tropical 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In Forest Hill, Kentucky, the average relative humidity in September is 72%.

Rainfall

The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

In Forest Hill, snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Forest Hill?

An average high-temperature, in September, in Forest Hill, is 81.7°F (27.6°C) and the average low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 8.6 days and accumulates 0.63" (16mm) of precipitation.

How much does it rain in September?

In Forest Hill, during September, the rain falls for 8.6 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow?

In Forest Hill, snow does not fall in April through October.

How many hours of daylight does Forest Hill have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:25 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 long on average sun shines in September in Forest Hill?

The average sunshine duration in September is 9.3h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes 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
Forest Hill, KY

Average temperature in September - Forest Hill, KY
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in September
Forest Hill, KY

Average pressure in September - Forest Hill, 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
Forest Hill, KY

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

The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Forest Hill, KY

Average humidity in September - Forest Hill, 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
Forest Hill, KY

Average rainfall in September - Forest Hill, KY
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in September
Forest Hill, KY

Average rainfall days in September - Forest Hill, KY
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).

Average snowfall in September
Forest Hill, KY

Average snowfall in September - Forest Hill, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Forest Hill, KY

Average snowfall days in September - Forest Hill, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 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
Forest Hill, KY

Average daylight in September / Average sunshine in September - Forest Hill, 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 2min

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

Average sunshine days in September
Forest Hill, KY

Average sunshine days in September - Forest Hill, KY
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).

Average UV index in September
Forest Hill, KY

Average UV index in September - Forest Hill, 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 and December (UV index 2).

Average cloud cover in September
Forest Hill, KY

Average cloud cover in September - Forest Hill, KY
  • Average cloud cover in September: 28

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

Average visibility in September
Forest Hill, KY

Average visibility in September - Forest Hill, 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).

Forest Hill, Kentucky, USA

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