September weather forecastThacker, WV

September

Weather in September

The first month of the autumn, September, is still a warm month in Thacker, West Virginia, with an average temperature fluctuating between 78.6°F (25.9°C) and 56.8°F (13.8°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from 84.4°F (29.1°C) in August to a still moderately hot 78.6°F (25.9°C). Thacker in September observes a substantial swing from the daily highs, with average nighttime temperatures of 56.8°F (13.8°C).

Humidity

The average relative humidity in September in Thacker is 76%.

Rainfall

The month with the least rainfall in Thacker is September, when the rain falls for 12.5 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

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

Daylight

In Thacker, the average length of the day in September 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 Thacker, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Thacker is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Thacker, in September, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 56.8°F (13.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is estimated at 93.2°F (34°C).

In Thacker, West Virginia, the average relative humidity in September is 76%.

The month with the least rainfall in Thacker is September, when the rain falls for 12.5 days and typically collects 1.46" (37mm) of precipitation.

In September, the rain falls for 12.5 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

June through September are months without snowfall in Thacker.

In Thacker, West Virginia, in September, it doesn't snow. In October, it regularly snows.

In Thacker, West Virginia, the average day length in September is 12h and 25min.

On the first day of September in Thacker, West Virginia, 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.

In Thacker, West Virginia, the average sunshine duration in September is 8.3h.

In September, the average daily maximum UV index in Thacker is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Thacker, WV

  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°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 (26.8°F).

Average pressure in September
Thacker, 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
Thacker, WV

  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Thacker, WV

  • Average humidity in September: 76%

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

Average rainfall in September
Thacker, WV

  • Average rainfall in September: 1.46"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in September
Thacker, WV

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
Thacker, WV

  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Thacker, WV

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Thacker, 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 18min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Thacker, WV

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in September
Thacker, 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
Thacker, WV

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Thacker, 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).