September weather forecastJustice, WV

September

Weather in September

The first month of the autumn, September, is still a warm month in Justice, West Virginia, with an average temperature varying between 54.1°F (12.3°C) and 76.3°F (24.6°C).

Temperature

September brings a slight decrease in the average high-temperature, shifting from 82°F (27.8°C) in August to a still warm 76.3°F (24.6°C). Despite the intense daytime heat, Justice sustains a steady low-temperature average of 54.1°F (12.3°C) during September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.2 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

In Justice, snow does not fall in June 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 6:58 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

Sunshine

In Justice, the average sunshine in September is 8.4h.

UV index

In Justice, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Justice, is 76.3°F (24.6°C), while the average low-temperature is 54.1°F (12.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

In Justice, the average relative humidity in September is 78%.

The month with the least rainfall is September, when the rain falls for 15.2 days and typically collects 1.54" (39mm) of precipitation.

In Justice, West Virginia, during September, the rain falls for 15.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

In Justice, snow does not fall in June through September.

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

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

In September, on the first day of the month, sunrise is at 6:58 am and sunset at 7:56 pm. On the last day of the month, in Justice, West Virginia, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

In September, the average sunshine duration is 8.4h.

In Justice, West Virginia, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Justice, WV

  • Average high temperature in September: 76.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Justice, WV

  • 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 (29.99"Hg).

Average wind speed in September
Justice, WV

  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Justice, WV

  • Average humidity in September: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall in September
Justice, WV

  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Justice, WV

  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall in September
Justice, WV

  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Justice, WV

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Justice, WV

  • Average daylight in September: 12h and 24min

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 24min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Justice, WV

  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in September
Justice, WV

  • 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
Justice, WV

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility in September
Justice, WV

  • 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).