September weather forecast
Highland Heights, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Highland Heights, Kentucky, with an average temperature fluctuating between 77.9°F (25.5°C) and 58.6°F (14.8°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 83.8°F (28.8°C) in August to a still moderately hot 77.9°F (25.5°C). Highland Heights observes an average low-temperature of 58.6°F (14.8°C) during September.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Highland Heights?

In September, the average high-temperature and low-temperature are 77.9°F (25.5°C) and 58.6°F (14.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 91.4°F (33°C).

What is the least humid month?

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

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.54" (39mm) of precipitation.

How many days does it rain in September?

In Highland Heights, in September, it is raining for 12.1 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow?

In Highland Heights, snow does not fall in May through October.

How many hours of daylight does Highland Heights have in September?

In September, the average day length in Highland Heights is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:07 pm. On the last day of the month, in Highland Heights, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

How long on average sun shines in September?

In Highland Heights, Kentucky, the average sunshine duration in September is 8.3h.

What is the UV index reading in September?

In Highland Heights, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Highland Heights, KY

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

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in September
Highland Heights, KY

Average pressure in September - Highland Heights, 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).

Average wind speed in September
Highland Heights, KY

Average wind speed in September - Highland Heights, KY
  • Average wind speed in September: 5.7mph

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

Average humidity in September
Highland Heights, KY

Average humidity in September - Highland Heights, KY
  • Average humidity in September: 74%

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

Average rainfall in September
Highland Heights, KY

Average rainfall in September - Highland Heights, KY
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Highland Heights, KY

Average rainfall days in September - Highland Heights, KY
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in September
Highland Heights, KY

Average snowfall in September - Highland Heights, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Highland Heights, KY

Average snowfall days in September - Highland Heights, KY
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (5.5 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
Highland Heights, KY

Average daylight in September / Average sunshine in September - Highland Heights, 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: 3h and 54min).

Average sunshine days in September
Highland Heights, KY

Average sunshine days in September - Highland Heights, KY
  • Average sunshine days in September: 16.2 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in September
Highland Heights, KY

Average UV index in September - Highland Heights, 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, November and December (UV index 2).

Average cloud cover in September
Highland Heights, KY

Average cloud cover in September - Highland Heights, 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 27).

Average visibility in September
Highland Heights, KY

Average visibility in September - Highland Heights, 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).

Highland Heights, Kentucky, USA

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