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
Nellis's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 84°F (28.9°C) to a still warm 77.9°F (25.5°C). In Nellis, an average temperature of 56.5°F (13.6°C) is noted during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Nellis. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Nellis, West Virginia, snow does not fall in May through September.Daylight
The average length of the day in September in Nellis is 12h and 25min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:56 pm. On the last day of September, in Nellis, sunrise is at 7:22 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In Nellis, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Nellis?
What is the average humidity in September in Nellis?
What is the driest month in Nellis?
How many days does it rain in September in Nellis?
When it does not snow in Nellis?
Does it snow in Nellis in September?
How many hours of daylight does Nellis have in September?
When are sunrise and sunset in September in Nellis?
How many hours of sunshine does Nellis have in September?
How high is the UV index in September in Nellis?
Average temperature in September
Nellis, WV
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Nellis, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Nellis, WV
- Average wind speed in September: 4.3mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Nellis, WV
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in September
Nellis, WV
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Nellis, WV
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in September
Nellis, WV
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Nellis, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nellis, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Nellis, WV
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Nellis, WV
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Nellis, WV
- Average cloud cover in September: 38
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
Nellis, 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).
Nellis, West Virginia, USA
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