September weather forecast
Harman, WV

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Weather in September

September, the first month of the autumn in Harman, is still a pleasant month, with an average temperature varying between 71.4°F (21.9°C) and 51.1°F (10.6°C).

Temperature

Harman observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 77.7°F (25.4°C) to an agreeable 71.4°F (21.9°C). Throughout the month of September, Harman witnesses an average low-temperature of 51.1°F (10.6°C).

Humidity

The average relative humidity in September in Harman is 81%.

Rainfall

In Harman, in September, it is raining for 15.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Harman, during the entire year, the rain falls for 175.3 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

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

Daylight

In Harman, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:47 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Harman is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Harman?

In Harman, 71.4°F (21.9°C) is the average high-temperature and 51.1°F (10.6°C) is the average low-temperature during September.

What is the average humidity in September in Harman?

The average relative humidity in September in Harman is 81%.

How many days does it rain in September in Harman?

In Harman, West Virginia, in September, during 15.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow in Harman?

June through September are months without snowfall.

Does it snow in Harman in September?

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

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

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

What time are sunrise and sunset in September in Harman?

On the first day of September, sunrise is at 6:47 am and sunset at 7:48 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 Harman have in September?

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

How high is the UV index in September in Harman?

The average daily maximum UV index in September in Harman is 3. A UV Index estimate of 3 to 5 represents 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
Harman, WV

Average temperature in September - Harman, WV
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in September
Harman, WV

Average pressure in September - Harman, 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
Harman, WV

Average wind speed in September - Harman, WV
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in September
Harman, WV

Average humidity in September - Harman, WV
  • Average humidity in September: 81%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in September
Harman, WV

Average rainfall in September - Harman, WV
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in September
Harman, WV

Average rainfall days in September - Harman, WV
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in September
Harman, WV

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

The month with the highest snowfall is January (10.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Harman, WV

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

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Harman, 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 30min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Harman, WV

Average sunshine days in September - Harman, WV
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is November (13.9 days).
The month with the least sunshine days is May (8.4 days).

Average UV index in September
Harman, WV

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

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

Average cloud cover in September
Harman, WV

Average cloud cover in September - Harman, WV
  • Average cloud cover in September: 46

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in September
Harman, WV

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

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

Harman, West Virginia, USA

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