September weather forecast
Justell, KY

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Weather in September

September, the first month of the autumn in Justell, is still a warm month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 79.3°F (26.3°C).

Temperature

Justell in September experiences a gentle temperature dip, with average high-temperatures reducing from 85.3°F (29.6°C) in August to a still warm 79.3°F (26.3°C). A significant temperature decrease to an average a refreshing 56.8°F (13.8°C) characterizes Justell's nighttime temperatures during September.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Justell, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

Sunshine

The average sunshine in September in Justell is 8.2h.

UV index

In Justell, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Justell in September?

The high-temperature during September is 79.3°F (26.3°C) and the low-temperature is 56.8°F (13.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month in Justell?

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 13.3 days. Throughout September, 1.73" (44mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Justell have in September?

In Justell, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Justell, KY

Average temperature in September - Justell, KY
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°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 (27°F).

Average pressure in September
Justell, KY

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

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

Average wind speed in September
Justell, KY

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

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Justell, KY

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).

Average rainfall in September
Justell, KY

Average rainfall in September - Justell, KY
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Justell, KY

Average rainfall days in September - Justell, KY
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in September
Justell, KY

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

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Justell, KY

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

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Justell, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Justell, KY

Average sunshine days in September - Justell, KY
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Justell, KY

Average UV index in September - Justell, 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
Justell, KY

Average cloud cover in September - Justell, KY
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Justell, KY

Average visibility in September - Justell, 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).

Justell, Kentucky, USA

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