September weather forecast
Tompkinsville, KY

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Weather in September

September, the first month of the autumn in Tompkinsville, is still a warm month, with an average temperature fluctuating between 60.3°F (15.7°C) and 79.7°F (26.5°C).

Temperature

In the transition to September, Tompkinsville observes a minor drop in the average high-temperature, shifting from 85.5°F (29.7°C) in August to a still warm 79.7°F (26.5°C). Throughout September, the temperature falls to an average low of 60.3°F (15.7°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.5 days and accumulates 2.4" (61mm) of precipitation.

Snowfall

In Tompkinsville, Kentucky, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:14 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:27 pm CDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Tompkinsville, is 79.7°F (26.5°C), while the low-temperature averages to 60.3°F (15.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 96.8°F (36°C).

What is the average humidity in September?

In Tompkinsville, the average relative humidity in September is 77%.

What is the driest month in Tompkinsville?

The month with the least rainfall in Tompkinsville is September, when the rain falls for 14.5 days and typically collects 2.4" (61mm) of precipitation.

How many days does it rain in September?

In Tompkinsville, during September, the rain falls for 14.5 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Tompkinsville have in September?

The average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:14 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:27 pm CDT.

How many hours of sunshine does Tompkinsville have in September?

The average sunshine duration in September is 8.3h.

What is the UV index intensity in September?

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 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
Tompkinsville, KY

Average temperature in September - Tompkinsville, KY
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Tompkinsville, KY

Average pressure in September - Tompkinsville, KY
  • 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 (29.96"Hg).

Average wind speed in September
Tompkinsville, KY

Average wind speed in September - Tompkinsville, KY
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Tompkinsville, KY

Average humidity in September - Tompkinsville, KY
  • Average humidity in September: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are April, October and November (76%).

Average rainfall in September
Tompkinsville, KY

Average rainfall in September - Tompkinsville, KY
  • Average rainfall in September: 2.4"

The wettest months (with the highest rainfall) are February and July (4.25").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in September
Tompkinsville, KY

Average rainfall days in September - Tompkinsville, KY
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Tompkinsville, KY

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

The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Tompkinsville, KY

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

The month with the highest number of snowfall days is January (6.7 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
Tompkinsville, KY

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Tompkinsville, KY

Average sunshine days in September - Tompkinsville, KY
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in September
Tompkinsville, KY

Average UV index in September - Tompkinsville, 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
Tompkinsville, KY

Average cloud cover in September - Tompkinsville, KY
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 30).

Average visibility in September
Tompkinsville, KY

Average visibility in September - Tompkinsville, KY
  • Average visibility in September: 6mi

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

Tompkinsville, Kentucky, USA

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