September weather forecast
Erlanger, KY

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Weather in September

September marks the advent of fall in Erlanger, as temperatures dwindle and leaves begin to change their hues. The average high and low temperatures drop to 77.9°F (25.5°C) and 59°F (15°C) respectively, providing a pleasant experience. September experiences less cloud cover with a cloud percentage of approximately 33%, allowing more clear skies. With around 12.4 hours of daylight, it's an ideal time to savour outdoor activities. This month paints the town in an array of colors as autumn leaves put on their spectacular show.

Temperature

In September, the average high-temperature in Erlanger, Kentucky, marginally drops from a moderately hot 83.8°F (28.8°C) in August to a still warm 77.9°F (25.5°C). September in Erlanger witnesses an average low-temperature hovering around a moderate 59°F (15°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.34" (34mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September 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 7:34 am and sunset at 7:22 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 moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the usual temperature for Erlanger in September?

The average high-temperature, in September, in Erlanger, is 77.9°F (25.5°C), while the average low-temperature is 59°F (15°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the least humid month in Erlanger?

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

What is the average humidity in September in Erlanger?

In Erlanger, the average relative humidity in September is 74%.

What is the driest month in Erlanger?

September is the month with the least rainfall in Erlanger. Rain falls for 12.4 days and accumulates 1.34" (34mm) of precipitation.

How many days does it rain in September in Erlanger?

In Erlanger, in September, it is raining for 12.4 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Erlanger?

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

Does it snow in Erlanger in September?

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

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

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

When is the sunrise / sunset in September in Erlanger?

On the first day of September, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Erlanger have in September?

The average sunshine duration in September in Erlanger is 8.3h.

What is the UV index reading in September in Erlanger?

The average daily maximum UV index in September in Erlanger is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Erlanger, KY

Average temperature in September - Erlanger, 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
Erlanger, KY

Average pressure in September - Erlanger, 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
Erlanger, KY

Average wind speed in September - Erlanger, 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
Erlanger, KY

Average humidity in September - Erlanger, 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
Erlanger, KY

Average rainfall in September - Erlanger, 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
Erlanger, KY

Average rainfall days in September - Erlanger, 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
Erlanger, KY

Average snowfall in September - Erlanger, 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
Erlanger, KY

Average snowfall days in September - Erlanger, 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
Erlanger, KY

Average daylight in September / Average sunshine in September - Erlanger, 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
Erlanger, KY

Average sunshine days in September - Erlanger, 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
Erlanger, KY

Average UV index in September - Erlanger, 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
Erlanger, KY

Average cloud cover in September - Erlanger, 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
Erlanger, KY

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

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