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 is marked by a minor reduction in average high-temperature, sliding from a moderately hot 82.4°F (28°C) in August to a still warm 76.6°F (24.8°C). During the nights in September, an average low-temperature of 55.4°F (13°C) is observed.Humidity
In Peterson, West Virginia, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Peterson. Rain falls for 13.2 days and accumulates 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall in Peterson.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:52 pm. On the last day of September, in Peterson, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
The average sunshine in September in Peterson is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents 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 leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are September temperatures in Peterson?
What is the average humidity in September in Peterson?
What is the driest month in Peterson?
How much does it rain in Peterson in September?
When it does not snow in Peterson?
Does it snow in Peterson in September?
What is the average length of the day in September in Peterson?
What time are sunrise and sunset in September in Peterson?
How many hours of sunshine does Peterson have in September?
How high is the UV index in September in Peterson?
Average temperature in September
Peterson, WV
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Peterson, WV
- Average pressure in September: 30.06"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
Peterson, WV
- Average wind speed in September: 4.3mph
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 (4.1mph).
Average humidity in September
Peterson, WV
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Peterson, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Peterson, WV
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in September
Peterson, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Peterson, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Peterson, 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 3min
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 18min).
Average sunshine days in September
Peterson, WV
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in September
Peterson, WV
- Average UV index in September: 4
The months with the highest UV index are May, 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
Peterson, WV
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Peterson, WV
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
Peterson, West Virginia, USA
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