September weather forecast
Seneca Rocks, WV

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Seneca Rocks, West Virginia, with an average temperature fluctuating between 52.5°F (11.4°C) and 74.1°F (23.4°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's warm 81.1°F (27.3°C) to a still moderately hot 74.1°F (23.4°C). Seneca Rocks's average low-temperature in the month of September is recorded at a fresh 52.5°F (11.4°C).

Humidity

February, September, October and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In September, the rain falls for 14.5 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.

Snowfall

In Seneca Rocks, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:01 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Seneca Rocks is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in September transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Seneca Rocks in September?

September temperatures vary between a high-temperature of 74.1°F (23.4°C) and a low-temperature of 52.5°F (11.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 86°F (30°C).

What are the most humid months?

The months with the highest humidity are February, September, October and December, with an average relative humidity of 79%.

What is the average humidity in September?

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

How many days does it rain in September?

In Seneca Rocks, during September, the rain falls for 14.5 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Seneca Rocks, 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 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm EDT.

How many hours of sunshine does Seneca Rocks have in September?

In Seneca Rocks, the average sunshine duration in September is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Seneca Rocks, WV

Average temperature in September - Seneca Rocks, WV
  • Average high temperature in September: 74.1°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 (36.3°F).

  • Average low temperature in September: 52.5°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Seneca Rocks, WV

Average pressure in September - Seneca Rocks, WV
  • Average pressure in September: 30.06"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).

Average wind speed in September
Seneca Rocks, WV

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

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Seneca Rocks, WV

Average humidity in September - Seneca Rocks, WV
  • Average humidity in September: 79%

The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).

Average rainfall in September
Seneca Rocks, WV

Average rainfall in September - Seneca Rocks, WV
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").

Average rainfall days in September
Seneca Rocks, WV

Average rainfall days in September - Seneca Rocks, WV
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).

Average snowfall in September
Seneca Rocks, WV

Average snowfall in September - Seneca Rocks, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Seneca Rocks, WV

Average snowfall days in September - Seneca Rocks, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Seneca Rocks, WV

Average daylight in September / Average sunshine in September - Seneca Rocks, 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 4min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Seneca Rocks, WV

Average sunshine days in September - Seneca Rocks, WV
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in September
Seneca Rocks, WV

Average UV index in September - Seneca Rocks, 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, March, November and December (UV index 2).

Average cloud cover in September
Seneca Rocks, WV

Average cloud cover in September - Seneca Rocks, WV
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Seneca Rocks, WV

Average visibility in September - Seneca Rocks, WV
  • Average visibility in September: 4mi

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).

Seneca Rocks, West Virginia, USA

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