September weather forecast
Thompson Acres, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Thompson Acres, West Virginia, with an average temperature fluctuating between 57.6°F (14.2°C) and 78.6°F (25.9°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 85.5°F (29.7°C) in August to a still warm 78.6°F (25.9°C). The nighttime temperature dips to a refreshing 57.6°F (14.2°C) on average during September.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

In Thompson Acres, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:58 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 September, the average sunshine is 8.1h.

UV index

In Thompson Acres, West Virginia, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Thompson Acres, is 78.6°F (25.9°C) and the average low-temperature is 57.6°F (14.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 95°F (35°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.93" (49mm) of precipitation.

How much does it rain in September?

In Thompson Acres, during September, the rain falls for 12.8 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In Thompson Acres, 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.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:58 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 many hours of sunshine does Thompson Acres have in September?

In Thompson Acres, the average sunshine duration in September is 8.1h.

What is the UV index reading in September?

In Thompson Acres, West Virginia, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Thompson Acres, WV

Average temperature in September - Thompson Acres, WV
  • Average high temperature in September: 78.6°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 (38.8°F).

  • Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Thompson Acres, WV

Average pressure in September - Thompson Acres, 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 (29.97"Hg).

Average wind speed in September
Thompson Acres, WV

Average wind speed in September - Thompson Acres, WV
  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Thompson Acres, WV

Average humidity in September - Thompson Acres, WV
  • Average humidity in September: 76%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Thompson Acres, WV

Average rainfall in September - Thompson Acres, WV
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Thompson Acres, WV

Average rainfall days in September - Thompson Acres, WV
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in September
Thompson Acres, WV

Average snowfall in September - Thompson Acres, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Thompson Acres, WV

Average snowfall days in September - Thompson Acres, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 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
Thompson Acres, WV

Average daylight in September / Average sunshine in September - Thompson Acres, 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 30min).

  • 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 36min).

Average sunshine days in September
Thompson Acres, WV

Average sunshine days in September - Thompson Acres, WV
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9 days).

Average UV index in September
Thompson Acres, WV

Average UV index in September - Thompson Acres, 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 and December (UV index 2).

Average cloud cover in September
Thompson Acres, WV

Average cloud cover in September - Thompson Acres, WV
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Thompson Acres, WV

Average visibility in September - Thompson Acres, 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).

Thompson Acres, West Virginia, USA

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