September weather forecast
Allen Junction, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Allen Junction, West Virginia, with an average temperature ranging between max 75.9°F (24.4°C) and min 54.1°F (12.3°C).

Temperature

As September arrives, Allen Junction's weather displays a minor decrease in high-temperatures, transitioning from August's 82°F (27.8°C) to a still moderately hot 75.9°F (24.4°C). During September, Allen Junction detects a significant contrast from its daytime temperatures, with nights averaging at a fresh 54.1°F (12.3°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

In Allen Junction, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index in Allen Junction is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Allen Junction, is 75.9°F (24.4°C), while the low-temperature averages to 54.1°F (12.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

What is the driest month?

The month with the least rainfall in Allen Junction is September, when the rain falls for 15.5 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in September?

In Allen Junction, in September, it is raining for 15.5 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow?

In Allen Junction, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

How many hours of sunshine does Allen Junction have in September?

The average sunshine duration in September in Allen Junction is 8.3h.

What is the UV index intensity in September?

In Allen Junction, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Allen Junction, WV

Average temperature in September - Allen Junction, WV
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in September
Allen Junction, WV

Average pressure in September - Allen Junction, 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
Allen Junction, WV

Average wind speed in September - Allen Junction, WV
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Allen Junction, WV

Average humidity in September - Allen Junction, WV
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in September
Allen Junction, WV

Average rainfall in September - Allen Junction, WV
  • Average rainfall in September: 1.57"

The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Allen Junction, WV

Average rainfall days in September - Allen Junction, WV
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in September
Allen Junction, WV

Average snowfall in September - Allen Junction, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Allen Junction, WV

Average snowfall days in September - Allen Junction, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Allen Junction, WV

Average daylight in September / Average sunshine in September - Allen Junction, WV
  • 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Allen Junction, WV

Average sunshine days in September - Allen Junction, WV
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in September
Allen Junction, WV

Average UV index in September - Allen Junction, 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, November and December (UV index 2).

Average cloud cover in September
Allen Junction, WV

Average cloud cover in September - Allen Junction, WV
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Allen Junction, WV

Average visibility in September - Allen Junction, WV
  • Average visibility in September: 5mi

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

Allen Junction, West Virginia, USA

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