September weather forecast
Triune, WV

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Weather in September

September, the first month of the autumn in Triune, is still a warm month, with an average temperature ranging between min 54.5°F (12.5°C) and max 76.1°F (24.5°C).

Temperature

Triune observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 81.9°F (27.7°C) to a still warm 76.1°F (24.5°C). Nightly readings in September display a noticeable downturn from daily highs, with the average low-temperature registering a cool 54.5°F (12.5°C).

Humidity

In Triune, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall in Triune is September, when the rain falls for 14.5 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

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

Daylight

In Triune, the average length of the day in September is 12h and 26min.
On the first day of September in Triune, sunrise is at 6:48 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:03 pm EDT.

Sunshine

In Triune, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Triune, West Virginia, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are September temperatures in Triune?

The average high-temperature, in September, in Triune, is 76.1°F (24.5°C), while the average low-temperature is 54.5°F (12.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September in Triune?

The average relative humidity in September in Triune, West Virginia, is 78%.

What is the driest month in Triune?

September is the month with the least rainfall. Rain falls for 14.5 days and accumulates 2.13" (54mm) of precipitation.

How many days does it rain in September in Triune?

In Triune, during September, the rain falls for 14.5 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Triune?

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

Does it snow in Triune in September?

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

What is the average length of the day in September in Triune?

The average day length in September in Triune, West Virginia, is 12h and 26min.

What time are sunrise and sunset in September in Triune?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:03 pm EDT.

How many hours of sunshine does Triune have in September?

In Triune, West Virginia, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Triune?

In September, the average daily maximum UV index in Triune, West Virginia, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Triune, WV

Average temperature in September - Triune, WV
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in September
Triune, WV

Average pressure in September - Triune, WV
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
Triune, WV

Average wind speed in September - Triune, WV
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Triune, WV

Average humidity in September - Triune, WV
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in September
Triune, WV

Average rainfall in September - Triune, WV
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in September
Triune, WV

Average rainfall days in September - Triune, WV
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).

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Average snowfall in September
Triune, WV

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

The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Triune, WV

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

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Triune, WV
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in September
Triune, WV

Average sunshine days in September - Triune, WV
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).

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Average UV index in September
Triune, WV

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

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

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Average cloud cover in September
Triune, WV

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

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in September
Triune, WV

Average visibility in September - Triune, 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).

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Triune, West Virginia, USA

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