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 onset brings a negligible change in high-temperatures, falling from 81.1°F (27.3°C) in August to a still warm 74.1°F (23.4°C). An average minimum temperature of 52.5°F (11.4°C) is recorded during the month of September.Humidity
February, September, October and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Seneca Rocks, in September, during 14.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.Snowfall
In Seneca Rocks, snow does not fall in June through September.Daylight
The average length of the day in September in Seneca Rocks, West Virginia, is 12h and 26min.On the first day of September in Seneca Rocks, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Seneca Rocks, West Virginia, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 in September translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Seneca Rocks?
What are the most humid months in Seneca Rocks?
What is the average humidity in September in Seneca Rocks?
How much does it rain in Seneca Rocks in September?
When it does not snow in Seneca Rocks?
Does it snow in Seneca Rocks in September?
How many hours of daylight does Seneca Rocks have in September?
What time are sunrise and sunset in September in Seneca Rocks?
How long on average sun shines in September in Seneca Rocks?
What is the UV index intensity in September in Seneca Rocks?
Average temperature in September
Seneca Rocks, WV
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Seneca Rocks, 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
Seneca Rocks, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Seneca Rocks, WV
- Average humidity in September: 79%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in September
Seneca Rocks, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in September
Seneca Rocks, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Seneca Rocks, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Seneca Rocks, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Seneca Rocks, 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 4min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Seneca Rocks, WV
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Seneca Rocks, WV
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Seneca Rocks, WV
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Seneca Rocks, WV
- Average visibility in September: 4mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
Seneca Rocks, West Virginia, USA
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