September weather forecast
Lucas, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Lucas, Kentucky, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 79.7°F (26.5°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 85.1°F (29.5°C) in August to a still warm 79.7°F (26.5°C). Throughout the month of September, the nighttime temperature dips to an average of 60.6°F (15.9°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

September and November are months with the least rain when the rain falls for 12.3 days and typically aggregates up to 1.34" (34mm) of rain.

Snowfall

May through October are months without snowfall.

Daylight

In Lucas, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:28 pm CDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lucas in September?

An average high-temperature, in September, in Lucas, is 79.7°F (26.5°C) and the average low-temperature is 60.6°F (15.9°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 95°F (35°C).

What is the average humidity in September?

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

What is the driest month?

The months with the least rainfall are September and November Rain falls for 12.3 days and accumulates 1.34" (34mm) of rain.

How many days does it rain in September?

In Lucas, Kentucky, in September, during 12.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.2h.

What is the UV index reading in September?

In Lucas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Lucas, KY

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

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in September
Lucas, KY

Average pressure in September - Lucas, 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
Lucas, KY

Average wind speed in September - Lucas, KY
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in September
Lucas, KY

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

The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Lucas, KY

Average rainfall in September - Lucas, KY
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is July (2.87").
The driest months (with the least rainfall) are September and November (1.34").

Average rainfall days in September
Lucas, KY

Average rainfall days in September - Lucas, KY
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September
Lucas, KY

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

The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Lucas, KY

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

The month with the highest number of snowfall days is January (4.8 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
Lucas, KY

Average daylight in September / Average sunshine in September - Lucas, 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: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Lucas, KY

Average sunshine days in September - Lucas, KY
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in September
Lucas, KY

Average UV index in September - Lucas, 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
Lucas, KY

Average cloud cover in September - Lucas, KY
  • Average cloud cover in September: 34

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Lucas, KY

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

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

Lucas, Kentucky, USA

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