September weather forecast
McCarr, KY

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Weather in September

The first month of the autumn, September, is still a warm month in McCarr, Kentucky, with an average temperature ranging between min 56.8°F (13.8°C) and max 78.6°F (25.9°C).

Temperature

McCarr's progression into September involves a gentle drop in the average high-temperature, from a warm 84.4°F (29.1°C) in August to a still moderately hot 78.6°F (25.9°C). McCarr experiences a significant reduction from daytime highs with an average low-temperature of 56.8°F (13.8°C) in September.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In McCarr, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:12 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are September temperatures?

The high-temperature during September is 78.6°F (25.9°C) and the low-temperature is 56.8°F (13.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.46" (37mm) of precipitation.

How many days does it rain in September?

In September, in McCarr, the rain falls for 12.5 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in McCarr?

In McCarr, Kentucky, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does McCarr have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:12 pm EDT.

How many hours of sunshine does McCarr have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
McCarr, KY

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

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in September
McCarr, KY

Average pressure in September - McCarr, KY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
McCarr, KY

Average wind speed in September - McCarr, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
McCarr, KY

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

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

Average rainfall in September
McCarr, KY

Average rainfall in September - McCarr, KY
  • Average rainfall in September: 1.46"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in September
McCarr, KY

Average rainfall days in September - McCarr, KY
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
McCarr, KY

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

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
McCarr, KY

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - McCarr, 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
McCarr, KY

Average sunshine days in September - McCarr, KY
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in September
McCarr, KY

Average UV index in September - McCarr, KY
  • Average UV index in September: 4

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
McCarr, KY

Average cloud cover in September - McCarr, KY
  • Average cloud cover in September: 35

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
McCarr, KY

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

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

McCarr, Kentucky, USA

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