September weather forecast
Lawson, KY

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Weather in September

September, the first month of the autumn in Lawson, is still a warm month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 57.4°F (14.1°C).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from 85.6°F (29.8°C) in August to a still warm 79.5°F (26.4°C). The nighttime average for Lawson in September plummets considerably from its daytime counterpart, resting at a mild 57.4°F (14.1°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

In Lawson, snow does not fall in May 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 7:04 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:18 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Lawson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature during September is 79.5°F (26.4°C) and the low-temperature is 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 96.8°F (36°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in September?

In Lawson, in September, during 13.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in Lawson in September?

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

How many hours of daylight does Lawson have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Lawson have in September?

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

What is the UV index intensity in September?

In Lawson, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Lawson, KY

Average temperature in September - Lawson, KY
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Lawson, KY

Average pressure in September - Lawson, KY
  • Average pressure in September: 30.05"Hg

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

Average wind speed in September
Lawson, KY

Average wind speed in September - Lawson, KY
  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Lawson, KY

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

Average rainfall in September
Lawson, KY

Average rainfall in September - Lawson, KY
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Lawson, KY

Average rainfall days in September - Lawson, KY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in September
Lawson, KY

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

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Lawson, KY

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

The month with the highest number of snowfall days is January (11.7 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
Lawson, KY

Average daylight in September / Average sunshine in September - Lawson, 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 months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Lawson, KY

Average sunshine days in September - Lawson, KY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

Average UV index in September
Lawson, KY

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

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
Lawson, KY

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

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Lawson, KY

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

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

Lawson, Kentucky, USA

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