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
Trevilians's September weather shows a modest shift in high-temperatures, falling from August's tropical 86.4°F (30.2°C) to a warm 79.5°F (26.4°C). In September, Trevilians reports a consistent average low-temperature of 59.2°F (15.1°C) during the nights.Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.81" (46mm) of precipitation.Snowfall
May through October are months without snowfall in Trevilians.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:41 pm. On the last day of September, in Trevilians, sunrise is at 7:07 am and sunset at 6:56 pm EDT.
Sunshine
In Trevilians, the average sunshine in September is 8.8h.UV index
In Trevilians, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the average September temperature in Trevilians?
What is the average humidity in September in Trevilians?
What is the driest month in Trevilians?
How many days does it rain in September in Trevilians?
When it does not snow in Trevilians?
What is the average length of the day in September in Trevilians?
When are sunrise and sunset in September in Trevilians?
How long on average sun shines in September in Trevilians?
What is the UV index reading in September in Trevilians?
Average temperature in September
Trevilians, VA
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Trevilians, VA
- Average pressure in September: 30.05"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
Trevilians, VA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Trevilians, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Trevilians, VA
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Trevilians, VA
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Trevilians, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Trevilians, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Trevilians, VA
- 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 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Trevilians, VA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in September
Trevilians, VA
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Trevilians, VA
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Trevilians, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are February, May, September and December (5mi).
Trevilians, Virginia, USA
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