September weather forecast
Fincastle, KY

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Weather in September

September, the first month of the autumn in Fincastle, is still a warm month, with an average temperature fluctuating between 59.9°F (15.5°C) and 79.3°F (26.3°C).

Temperature

September marks a gentle change in average high-temperature, declining from August's 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). An average temperature of 59.9°F (15.5°C) is recorded during the nights in September.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Fincastle, Kentucky, is 12h and 25min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:26 pm EDT.

Sunshine

The average sunshine in September in Fincastle is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Fincastle?

In September, in Fincastle, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 95°F (35°C).

What is the average humidity in September in Fincastle?

In September, the average relative humidity is 74%.

What is the driest month in Fincastle?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.

How many days does it rain in September in Fincastle?

In September, in Fincastle, Kentucky, the rain falls for 12.5 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

When it does not snow in Fincastle?

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

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

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

When are sunrise and sunset in September in Fincastle?

On the first day of September in Fincastle, Kentucky, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm EDT.

How long on average sun shines in September in Fincastle?

In September, the average sunshine duration in Fincastle, Kentucky, is 8.5h.

How high is the UV index in September in Fincastle?

The average daily maximum UV index in September in Fincastle, Kentucky, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Fincastle, KY

Average temperature in September - Fincastle, KY
  • Average high temperature in September: 79.3°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°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Fincastle, KY

Average pressure in September - Fincastle, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Fincastle, KY

Average wind speed in September - Fincastle, KY
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Fincastle, KY

Average humidity in September - Fincastle, KY
  • Average humidity in September: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Fincastle, KY

Average rainfall in September - Fincastle, KY
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Fincastle, KY

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

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in September
Fincastle, KY

Average snowfall in September - Fincastle, 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, September and October (0").

Average snowfall days in September
Fincastle, KY

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

The month with the highest number of snowfall days is January (7.8 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
Fincastle, KY

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in September
Fincastle, KY

Average sunshine days in September - Fincastle, KY
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in September
Fincastle, KY

Average UV index in September - Fincastle, 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).

Average cloud cover in September
Fincastle, KY

Average cloud cover in September - Fincastle, KY
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Fincastle, KY

Average visibility in September - Fincastle, KY
  • Average visibility in September: 6mi

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

Fincastle, Kentucky, USA

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