September weather forecast
Bromley, KY

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Weather in September

September, the first month of the autumn in Bromley, is also a moderately hot month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 59°F (15°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's 83.8°F (28.8°C) to a still warm 77.9°F (25.5°C). In the month of September, the average low-temperature usually rests at a moderate 59°F (15°C).

Humidity

August through October, with an average relative humidity of 74%, are the least humid months in Bromley, Kentucky.

Rainfall

The month with the least rainfall in Bromley is September, when the rain falls for 12.4 days and typically collects 1.34" (34mm) of precipitation.

Snowfall

May through September are months without snowfall in Bromley.

Daylight

In September, the average length of the day in Bromley is 12h and 26min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What are September temperatures in Bromley?

An average high-temperature, in September, in Bromley, is 77.9°F (25.5°C) and the average low-temperature is 59°F (15°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the least humid month in Bromley?

The months with the lowest humidity in Bromley, Kentucky, are August through October, with an average relative humidity of 74%.

What is the average humidity in September in Bromley?

The average relative humidity in September in Bromley is 74%.

What is the driest month in Bromley?

The month with the least rainfall in Bromley, Kentucky, is September, when the rain falls for 12.4 days and typically collects 1.34" (34mm) of precipitation.

How many days does it rain in September in Bromley?

In September, in Bromley, the rain falls for 12.4 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Bromley?

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

Does it snow in Bromley in September?

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

How many hours of daylight does Bromley have in September?

The average day length in September in Bromley is 12h and 26min.

When are sunrise and sunset in September in Bromley?

On the first day of September in Bromley, Kentucky, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

How long on average sun shines in September in Bromley?

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

What is the UV index reading in September in Bromley?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Bromley, KY

Average temperature in September - Bromley, KY
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in September
Bromley, KY

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Bromley, KY

Average wind speed in September - Bromley, KY
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in September
Bromley, KY

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

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

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Average rainfall in September
Bromley, KY

Average rainfall in September - Bromley, KY
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days in September
Bromley, KY

Average rainfall days in September - Bromley, KY
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in September
Bromley, KY

Average snowfall in September - Bromley, 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 and September (0").

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Average snowfall days in September
Bromley, KY

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

The month with the highest number of snowfall days is January (8.5 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
Bromley, KY

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Bromley, KY

Average sunshine days in September - Bromley, KY
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and June (12 days).

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Average UV index in September
Bromley, KY

Average UV index in September - Bromley, 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).

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Average cloud cover in September
Bromley, KY

Average cloud cover in September - Bromley, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Bromley, KY

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

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