September weather forecast
Onoto, WV

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Weather in September

The first month of the autumn, September, is also an agreeable month in Onoto, West Virginia, with an average temperature varying between 49.6°F (9.8°C) and 69.4°F (20.8°C).

Temperature

With September's arrival, Onoto notes an average high-temperature of a pleasant 69.4°F (20.8°C), closely following the trend of the preceding month. Onoto's temperature tends to fall to an average low of 49.6°F (9.8°C) during the nights of September.

Humidity

In September, the average relative humidity is 83%.

Rainfall

In Onoto, during September, the rain falls for 14.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 153.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Onoto, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:50 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:04 pm EDT.

Sunshine

In Onoto, the average sunshine in September is 7.5h.

UV index

In Onoto, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

An average high-temperature, in September, in Onoto, is 69.4°F (20.8°C) and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in September?

The average relative humidity in September in Onoto is 83%.

How many days does it rain in September?

In September, the rain falls for 14.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

In Onoto, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:50 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:04 pm EDT.

How many hours of sunshine does Onoto have in September?

In Onoto, West Virginia, the average sunshine duration in September is 7.5h.

What is the UV index intensity in September?

In Onoto, West Virginia, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Onoto, WV

Average temperature in September - Onoto, WV
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Onoto, WV

Average pressure in September - Onoto, WV
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Onoto, WV

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

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Onoto, WV

Average humidity in September - Onoto, WV
  • Average humidity in September: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).

Average rainfall in September
Onoto, WV

Average rainfall in September - Onoto, WV
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in September
Onoto, WV

Average rainfall days in September - Onoto, WV
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September
Onoto, WV

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

The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Onoto, WV

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

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Onoto, 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 36min).

  • Average sunshine in September: 7h and 3min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Onoto, WV

Average sunshine days in September - Onoto, WV
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).

Average UV index in September
Onoto, WV

Average UV index in September - Onoto, WV
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Onoto, WV

Average cloud cover in September - Onoto, WV
  • Average cloud cover in September: 51

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).

Average visibility in September
Onoto, WV

Average visibility in September - Onoto, WV
  • Average visibility in September: 4mi

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

Onoto, West Virginia, USA

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