September weather forecast
Glencairn, KY

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Weather in September

September, the first month of the autumn in Glencairn, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 57.9°F (14.4°C).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 84.7°F (29.3°C) to a still warm 78.6°F (25.9°C). Glencairn records an average low of 57.9°F (14.4°C) throughout the nights in September.

Humidity

The average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.09" (53mm) of precipitation.

Snowfall

In Glencairn, 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 the month, sunrise is at 7:05 am and sunset at 8:03 pm. On the last day of September, in Glencairn, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

Sunshine

In Glencairn, the average sunshine in September is 8.3h.

UV index

In Glencairn, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Glencairn?

The average high-temperature and low-temperature during September are 78.6°F (25.9°C) and 57.9°F (14.4°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 93.2°F (34°C).

What is the average humidity in September in Glencairn?

In Glencairn, the average relative humidity in September is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.09" (53mm) of precipitation.

How much does it rain in September?

In Glencairn, in September, during 13 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Glencairn?

May through September are months without snowfall in Glencairn.

Does it snow in September?

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

How many hours of daylight does Glencairn have in September?

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

When is the sunrise / sunset in September?

On the first day of September in Glencairn, sunrise is at 7:05 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Glencairn have in September?

In September, the average sunshine duration is 8.3h.

How high is the UV index in September?

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
Glencairn, KY

Average temperature in September - Glencairn, KY
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Glencairn, KY

Average pressure in September - Glencairn, KY
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Glencairn, KY

Average wind speed in September - Glencairn, KY
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Glencairn, KY

Average humidity in September - Glencairn, KY
  • Average humidity in September: 76%

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

Average rainfall in September
Glencairn, KY

Average rainfall in September - Glencairn, KY
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in September
Glencairn, KY

Average rainfall days in September - Glencairn, KY
  • Average rainfall days in September: 13 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Glencairn, KY

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

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Glencairn, KY

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

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Glencairn, 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 month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Glencairn, KY

Average sunshine days in September - Glencairn, KY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in September
Glencairn, KY

Average UV index in September - Glencairn, 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
Glencairn, KY

Average cloud cover in September - Glencairn, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Glencairn, KY

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

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

Glencairn, Kentucky, USA

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