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
Walnut Bottom's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 82.4°F (28°C) to a still warm 75.2°F (24°C). The nighttime temperature in Walnut Bottom shows a significant divergence from the daytime highs, averaging at a fresh 52.7°F (11.5°C) in September.Humidity
September, October and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Walnut Bottom, in September, during 6.7 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Walnut Bottom, during the entire year, the rain falls for 91.2 days and collects up to 6.61" (168mm) of precipitation.Snowfall
May through October are months without snowfall in Walnut Bottom.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
In Walnut Bottom, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Walnut Bottom is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the temperature in September in Walnut Bottom?
What is the most humid month in Walnut Bottom?
What is the average humidity in September in Walnut Bottom?
How many days does it rain in September in Walnut Bottom?
When it does not snow in Walnut Bottom?
What is the average length of the day in September in Walnut Bottom?
What time are sunrise and sunset in September in Walnut Bottom?
How many hours of sunshine does Walnut Bottom have in September?
What is the UV index intensity in September in Walnut Bottom?
Average temperature in September
Walnut Bottom, WV
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Walnut Bottom, 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
Walnut Bottom, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Walnut Bottom, WV
- Average humidity in September: 78%
The months with the highest relative humidity are September, October and December (78%).
The months with the lowest relative humidity are April, June and July (74%).
Average rainfall in September
Walnut Bottom, WV
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is August (0.75").
The driest months (with the least rainfall) are January and November (0.35").
Average rainfall days in September
Walnut Bottom, WV
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Walnut Bottom, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Walnut Bottom, WV
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Walnut Bottom, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Walnut Bottom, WV
- Average sunshine days in September: 21.2 days
The months with the most sunshine days are January, November and December (22.7 days).
The month with the least sunshine days is May (18.3 days).
Average UV index in September
Walnut Bottom, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Walnut Bottom, WV
- Average cloud cover in September: 39
The months with the most cloud cover are January and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Walnut Bottom, WV
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, November and December (6mi).
The months with the lowest visibility are March, May, June, July, August, September and October (5mi).
Walnut Bottom, West Virginia, USA
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