September weather forecast
Brooklyn, KY

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Weather in September

September, the first month of the autumn in Brooklyn, is still a warm month, with an average temperature fluctuating between 61°F (16.1°C) and 80.2°F (26.8°C).

Temperature

Brooklyn's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 85.6°F (29.8°C) to a still moderately hot 80.2°F (26.8°C). September witnesses an average low-temperature hovering around an enjoyable 61°F (16.1°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

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

Daylight

In Brooklyn, Kentucky, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:30 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are September temperatures in Brooklyn?

In September, in Brooklyn, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 61°F (16.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 96.8°F (36°C).

What is the average humidity in September in Brooklyn?

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

What is the driest month in Brooklyn?

September is the month with the least rainfall in Brooklyn, Kentucky. Rain falls for 13.3 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in September in Brooklyn?

In Brooklyn, in September, it is raining for 13.3 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Brooklyn?

May through September are months without snowfall.

Does it snow in Brooklyn in September?

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

How many hours of daylight does Brooklyn have in September?

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

When are sunrise and sunset in September in Brooklyn?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:14 pm. On the last day of the month, in Brooklyn, Kentucky, sunrise is at 6:41 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Brooklyn have in September?

In September, the average sunshine duration in Brooklyn, Kentucky, is 8.7h.

What is the UV index reading in September in Brooklyn?

In September, the average daily maximum UV index in Brooklyn is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Brooklyn, KY

Average temperature in September - Brooklyn, KY
  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in September
Brooklyn, KY

Average pressure in September - Brooklyn, 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).

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Average wind speed in September
Brooklyn, KY

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

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).

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Average humidity in September
Brooklyn, KY

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

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

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Average rainfall in September
Brooklyn, KY

Average rainfall in September - Brooklyn, KY
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Brooklyn, KY

Average rainfall days in September - Brooklyn, KY
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (10.2 days).

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Average snowfall in September
Brooklyn, KY

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Brooklyn, KY

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

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Brooklyn, 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 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in September
Brooklyn, KY

Average sunshine days in September - Brooklyn, KY
  • Average sunshine days in September: 14.8 days

The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Brooklyn, KY

Average UV index in September - Brooklyn, 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
Brooklyn, KY

Average cloud cover in September - Brooklyn, KY
  • Average cloud cover in September: 30

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in September
Brooklyn, KY

Average visibility in September - Brooklyn, 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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Brooklyn, Kentucky, USA

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