September weather forecast
Triplett, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Triplett, West Virginia, with an average temperature ranging between min 54.1°F (12.3°C) and max 74.8°F (23.8°C).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 80.6°F (27°C) in August to a still moderately hot 74.8°F (23.8°C). Triplett records a mean low-temperature of 54.1°F (12.3°C) in September.

Humidity

In Triplett, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.3 days and typically collects 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

September temperatures vary between a high-temperature of 74.8°F (23.8°C) and a low-temperature of 54.1°F (12.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity in Triplett is 79%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14.3 days and typically collects 1.69" (43mm) of precipitation.

How much does it rain in September?

In Triplett, in September, during 14.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow?

In Triplett, West Virginia, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Triplett have in September?

In September, the average day length is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:54 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

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

Average temperature in September - Triplett, WV
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in September
Triplett, WV

Average pressure in September - Triplett, 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
Triplett, WV

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

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

Average humidity in September
Triplett, WV

Average humidity in September - Triplett, WV
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

Average rainfall in September
Triplett, WV

Average rainfall in September - Triplett, WV
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Triplett, WV

Average rainfall days in September - Triplett, WV
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in September
Triplett, WV

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

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Triplett, WV

Average snowfall days in September - Triplett, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Triplett, 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 3min

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 48min).

Average sunshine days in September
Triplett, WV

Average sunshine days in September - Triplett, WV
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

Average UV index in September
Triplett, WV

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Triplett, WV

Average cloud cover in September - Triplett, WV
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Triplett, WV

Average visibility in September - Triplett, WV
  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Triplett, West Virginia, USA

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