September weather forecast
Brinkley, KY

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Weather in September

September, the first month of the autumn in Brinkley, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 56.3°F (13.5°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a warm 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). Despite a significant daily temperature range, Brinkley's temperature falls to a steady low-temperature average of 56.3°F (13.5°C) in September.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

In Brinkley, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:16 pm EDT.

Sunshine

In September, the average sunshine in Brinkley, Kentucky, is 8.3h.

UV index

In September, the average daily maximum UV index in Brinkley, Kentucky, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Brinkley in September?

During September, Brinkley experiences an average high-temperature of 78.3°F (25.7°C) and a low-temperature of 56.3°F (13.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 93.2°F (34°C).

What is the average humidity in September in Brinkley?

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

What is the driest month in Brinkley?

September is the month with the least rainfall in Brinkley, Kentucky. Rain falls for 13.4 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in Brinkley in September?

In Brinkley, Kentucky, during September, the rain falls for 13.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Brinkley?

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

Does it snow in Brinkley in September?

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

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

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

What time are sunrise and sunset in September in Brinkley?

On the first day of September in Brinkley, Kentucky, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Brinkley have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index intensity in September in Brinkley?

In September, the average daily maximum UV index in Brinkley, Kentucky, is 4. 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
Brinkley, KY

Average temperature in September - Brinkley, KY
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Brinkley, KY

Average pressure in September - Brinkley, 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
Brinkley, KY

Average wind speed in September - Brinkley, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Brinkley, KY

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

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in September
Brinkley, KY

Average rainfall in September - Brinkley, KY
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in September
Brinkley, KY

Average rainfall days in September - Brinkley, KY
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in September
Brinkley, KY

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

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Brinkley, KY

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

The month with the highest number of snowfall days is January (10.3 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
Brinkley, KY

Average daylight in September / Average sunshine in September - Brinkley, 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, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Brinkley, KY

Average sunshine days in September - Brinkley, KY
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in September
Brinkley, KY

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

The months with the highest UV index are May, June 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
Brinkley, KY

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

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Brinkley, KY

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

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

Brinkley, Kentucky, USA

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