September weather forecast
Farmington, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Farmington, Kentucky, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.4°F (16.9°C).

Temperature

The dawn of September sees an average high-temperature of a warm 81.7°F (27.6°C), subtly contrasting with August's 86.7°F (30.4°C). Throughout September, the temperature tends to fall to a consistent average low of 62.4°F (16.9°C).

Heat index

The average heat index in September is calculated to be a hot 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall in Farmington. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

In Farmington, Kentucky, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

Sunshine

In Farmington, Kentucky, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 81.7°F (27.6°C) and the low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September?

In Farmington, in September, it is raining for 13.6 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow?

In Farmington, snow does not fall in May through October.

How many hours of daylight does Farmington have in September?

In September, the average day length is 12h and 24min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

How many hours of sunshine does Farmington have in September?

In Farmington, the average sunshine duration in September is 9.5h.

What is the UV index intensity in September in Farmington?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Farmington, KY

Average temperature in September - Farmington, KY
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Farmington, KY

Average pressure in September - Farmington, KY
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Farmington, KY

Average wind speed in September - Farmington, KY
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are February and April (9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in September
Farmington, KY

Average humidity in September - Farmington, KY
  • Average humidity in September: 72%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Farmington, KY

Average rainfall in September - Farmington, KY
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Farmington, KY

Average rainfall days in September - Farmington, KY
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in September
Farmington, KY

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

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Farmington, KY

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

The months with the highest number of snowfall days are January and February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Farmington, KY

Average sunshine days in September - Farmington, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Farmington, KY

Average UV index in September - Farmington, KY
  • Average UV index in September: 5

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 and December (UV index 2).

Average cloud cover in September
Farmington, KY

Average cloud cover in September - Farmington, KY
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).

Average visibility in September
Farmington, KY

Average visibility in September - Farmington, 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).

Farmington, Kentucky, USA

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