September weather forecast
Heenon, KY

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Weather in September

September, the first month of the autumn in Heenon, is still a warm month, with an average temperature varying between 78.6°F (25.9°C) and 56.8°F (13.8°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 84.4°F (29.1°C) in August to a still moderately hot 78.6°F (25.9°C). Heenon's average low-temperature for the month of September denotes a significant decline from the daily high, recording at a mild 56.8°F (13.8°C).

Humidity

In Heenon, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

In Heenon, Kentucky, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

Sunshine

In Heenon, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index in Heenon is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. 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 Heenon in September?

In September, the average high-temperature and low-temperature in Heenon, Kentucky, are 78.6°F (25.9°C) and 56.8°F (13.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 93.2°F (34°C).

What is the average humidity in September in Heenon?

In Heenon, the average relative humidity in September is 76%.

What is the driest month in Heenon?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Heenon in September?

In Heenon, during September, the rain falls for 12.5 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Heenon?

June through September are months without snowfall.

Does it snow in Heenon in September?

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

How many hours of daylight does Heenon have in September?

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

When is the sunrise / sunset in September in Heenon?

On the first day of September, sunrise is at 7:00 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

How long on average sun shines in September in Heenon?

In Heenon, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Heenon?

The average daily maximum UV index in September in Heenon, Kentucky, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Heenon, KY

Average temperature in September - Heenon, KY
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in September
Heenon, KY

Average pressure in September - Heenon, KY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Heenon, KY

Average wind speed in September - Heenon, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in September
Heenon, KY

Average humidity in September - Heenon, KY
  • Average humidity in September: 76%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

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Average rainfall in September
Heenon, KY

Average rainfall in September - Heenon, KY
  • Average rainfall in September: 1.46"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in September
Heenon, KY

Average rainfall days in September - Heenon, KY
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in September
Heenon, KY

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

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Heenon, KY

Average snowfall days in September - Heenon, KY
  • 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 June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Heenon, 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 36min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Heenon, KY

Average sunshine days in September - Heenon, KY
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in September
Heenon, KY

Average UV index in September - Heenon, KY
  • Average UV index in September: 4

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

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Average cloud cover in September
Heenon, KY

Average cloud cover in September - Heenon, KY
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Heenon, KY

Average visibility in September - Heenon, KY
  • Average visibility in September: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Heenon, Kentucky, USA

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