September weather forecastHarman, WV
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 24min
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 18min
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: 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: 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: 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: 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).
