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 signifies a minor drop in average high-temperature, transitioning from a warm 80.8°F (27.1°C) in August to a still moderately hot 75°F (23.9°C). Throughout September nights, Boissevain reports a steady thermal contrast from the day, with an average low-temperature of 52.9°F (11.6°C).Humidity
In Boissevain, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Boissevain, Virginia, is September, when the rain falls for 14.5 days and typically collects 1.5" (38mm) of precipitation.Snowfall
June through September are months without snowfall in Boissevain.Daylight
In Boissevain, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:56 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Boissevain is 8.4h.UV index
In Boissevain, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Boissevain?
What is the average humidity in September in Boissevain?
What is the driest month in Boissevain?
How much does it rain in Boissevain in September?
When it does not snow in Boissevain?
Does it snow in Boissevain in September?
What is the average length of the day in September in Boissevain?
What time are sunrise and sunset in September in Boissevain?
How long on average sun shines in September in Boissevain?
What is the UV index intensity in September in Boissevain?
Average temperature in September
Boissevain, VA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Boissevain, VA
- 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 (29.99"Hg).
Average wind speed in September
Boissevain, VA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Boissevain, VA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in September
Boissevain, VA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Boissevain, VA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).
Average snowfall in September
Boissevain, VA
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Boissevain, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Boissevain, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Boissevain, VA
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).
Average UV index in September
Boissevain, VA
- 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, November and December (UV index 2).
Average cloud cover in September
Boissevain, VA
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Boissevain, VA
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Boissevain, Virginia, USA
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