September weather forecast
Atenville, WV

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Weather in September

September, the first month of the autumn in Atenville, is also a moderately hot month, with an average temperature ranging between max 78.6°F (25.9°C) and min 56.7°F (13.7°C).

Temperature

Atenville in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 84.9°F (29.4°C) to a still moderately hot 78.6°F (25.9°C). A noteworthy thermal contrast characterizes Atenville's September nights, with temperatures averaging at a moderate 56.7°F (13.7°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

In Atenville, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:12 pm EDT.

Sunshine

In Atenville, the average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Atenville in September?

Atenville in September has an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 56.7°F (13.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 95°F (35°C).

What is the average humidity in September?

In Atenville, the average relative humidity in September is 77%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.38" (35mm) of precipitation.

How many days does it rain in September?

In Atenville, in September, during 11.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When it does not snow?

In Atenville, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:12 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.1h.

What is the UV index intensity in September?

In Atenville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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
Atenville, WV

Average temperature in September - Atenville, WV
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
Atenville, WV

Average pressure in September - Atenville, 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 (29.98"Hg).

Average wind speed in September
Atenville, WV

Average wind speed in September - Atenville, WV
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Atenville, WV

Average humidity in September - Atenville, WV
  • Average humidity in September: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (75%).

Average rainfall in September
Atenville, WV

Average rainfall in September - Atenville, WV
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in September
Atenville, WV

Average rainfall days in September - Atenville, WV
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in September
Atenville, WV

Average snowfall in September - Atenville, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Atenville, WV

Average snowfall days in September - Atenville, WV
  • 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
Atenville, WV

Average daylight in September / Average sunshine in September - Atenville, WV
  • 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Atenville, WV

Average sunshine days in September - Atenville, WV
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in September
Atenville, WV

Average UV index in September - Atenville, WV
  • Average UV index in September: 4

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, November and December (UV index 2).

Average cloud cover in September
Atenville, WV

Average cloud cover in September - Atenville, WV
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Atenville, WV

Average visibility in September - Atenville, 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).

Atenville, West Virginia, USA

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