September weather forecast
Briarwood, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Briarwood, Kentucky, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 59.9°F (15.5°C).

Temperature

September is characterized by a mild reduction in the average high-temperature, from 85.6°F (29.8°C) in August to a still moderately hot 79.3°F (26.3°C). During September, an average low-temperature of 59.9°F (15.5°C) is observed.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September in Briarwood, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

September temperatures vary between a high-temperature of 79.3°F (26.3°C) and a low-temperature of 59.9°F (15.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in September?

In Briarwood, during September, the rain falls for 12.5 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

In Briarwood, snow does not fall in May through October.

What is the average length of the day in September?

The average day length in September is 12h and 25min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In Briarwood, the average sunshine duration in September is 8.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Briarwood, KY

Average temperature in September - Briarwood, KY
  • Average high temperature in September: 79.3°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 (39°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Briarwood, KY

Average pressure in September - Briarwood, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Briarwood, KY

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Briarwood, KY

Average humidity in September - Briarwood, KY
  • Average humidity in September: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Briarwood, KY

Average rainfall in September - Briarwood, KY
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Briarwood, KY

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

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in September
Briarwood, KY

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

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Briarwood, KY

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

The month with the highest number of snowfall days is January (7.8 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
Briarwood, KY

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 3min

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

Average sunshine days in September
Briarwood, KY

Average sunshine days in September - Briarwood, KY
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in September
Briarwood, KY

Average UV index in September - Briarwood, KY
  • Average UV index in September: 5

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

Average cloud cover in September
Briarwood, KY

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Briarwood, KY

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

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

Briarwood, Kentucky, USA

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