Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 84.9°F (29.4°C) to a still warm 78.4°F (25.8°C). In the month of September, the average low-temperature usually rests at a moderate 57°F (13.9°C).Humidity
The average relative humidity in September in Neptune, West Virginia, is 76%.Rainfall
The month with the least rainfall in Neptune is September, when the rain falls for 12.6 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In Neptune, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Neptune, sunrise is at 6:56 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Neptune is 8.3h.UV index
In September, the average daily maximum UV index in Neptune is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average September temperature in Neptune?
What is the average humidity in September in Neptune?
What is the driest month in Neptune?
How many days does it rain in September in Neptune?
When it does not snow in Neptune?
Does it snow in Neptune in September?
How many hours of daylight does Neptune have in September?
What time are sunrise and sunset in September in Neptune?
How many hours of sunshine does Neptune have in September?
What is the UV index intensity in September in Neptune?
Average temperature in September
Neptune, WV
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Neptune, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Neptune, WV
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Neptune, WV
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Neptune, WV
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Neptune, WV
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Neptune, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Neptune, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Neptune, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Neptune, WV
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index in September
Neptune, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Neptune, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Neptune, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Neptune, West Virginia, USA
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