September weather forecast
Lewisburg, KY

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Weather in September

September, the first month of the autumn in Lewisburg, is still a warm month, with an average temperature varying between 80.1°F (26.7°C) and 61.3°F (16.3°C).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 85.8°F (29.9°C) to a still warm 80.1°F (26.7°C). Throughout September, Lewisburg witnesses a consistent average low-temperature of 61.3°F (16.3°C).

Humidity

The average relative humidity in September in Lewisburg is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 0.83" (21mm) of precipitation.

Snowfall

In Lewisburg, snow does not fall in May through November.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:15 pm. On the last day of September, in Lewisburg, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

Sunshine

In Lewisburg, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Lewisburg is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the usual temperature for Lewisburg in September?

During September, Lewisburg experiences an average high-temperature of 80.1°F (26.7°C) and a low-temperature of 61.3°F (16.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 96.8°F (36°C).

What is the average humidity in September in Lewisburg?

In Lewisburg, Kentucky, the average relative humidity in September is 75%.

What is the driest month in Lewisburg?

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 0.83" (21mm) of precipitation.

How many days does it rain in September in Lewisburg?

In September, the rain falls for 11 days. Throughout September, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in Lewisburg?

May through November are months without snowfall in Lewisburg.

What is the average length of the day in September in Lewisburg?

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

When are sunrise and sunset in September in Lewisburg?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:15 pm. On the last day of the month, in Lewisburg, Kentucky, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

How many hours of sunshine does Lewisburg have in September?

In Lewisburg, Kentucky, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September in Lewisburg?

The average daily maximum UV index in September in Lewisburg, Kentucky, is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Lewisburg, KY

Average temperature in September - Lewisburg, KY
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in September
Lewisburg, KY

Average pressure in September - Lewisburg, 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 (29.96"Hg).

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Average wind speed in September
Lewisburg, KY

Average wind speed in September - Lewisburg, KY
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Lewisburg, KY

Average humidity in September - Lewisburg, KY
  • Average humidity in September: 75%

The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Lewisburg, KY

Average rainfall in September - Lewisburg, KY
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is September (0.83").

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Average rainfall days in September
Lewisburg, KY

Average rainfall days in September - Lewisburg, KY
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Lewisburg, KY

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

The month with the highest snowfall is February (0.28").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in September
Lewisburg, KY

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

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Lewisburg, 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 5min

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

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Average sunshine days in September
Lewisburg, KY

Average sunshine days in September - Lewisburg, KY
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in September
Lewisburg, KY

Average UV index in September - Lewisburg, 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).

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Average cloud cover in September
Lewisburg, KY

Average cloud cover in September - Lewisburg, KY
  • Average cloud cover in September: 31

The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in September
Lewisburg, KY

Average visibility in September - Lewisburg, 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).

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Lewisburg, Kentucky, USA

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