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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 85.5°F (29.7°C) in August to a still warm 78.6°F (25.9°C). The low-temperature averages to a moderate 57.6°F (14.2°C) during the nights of September.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.93" (49mm) of precipitation.Snowfall
In Sleepy Hollow Township, snow does not fall in May through September.Daylight
In Sleepy Hollow Township, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Sleepy Hollow Township have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Sleepy Hollow Township have in September?
What is the UV index reading in September?
Average temperature in September
Sleepy Hollow Township, WV
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in September
Sleepy Hollow Township, 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 (29.97"Hg).
Average wind speed in September
Sleepy Hollow Township, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Sleepy Hollow Township, WV
- Average humidity in September: 76%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Sleepy Hollow Township, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Sleepy Hollow Township, WV
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in September
Sleepy Hollow Township, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sleepy Hollow Township, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sleepy Hollow Township, 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 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Sleepy Hollow Township, WV
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9 days).
Average UV index in September
Sleepy Hollow Township, 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
Sleepy Hollow Township, 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
Sleepy Hollow Township, 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).
Sleepy Hollow Township, West Virginia, USA
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