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 implies a soft temperature shift, with average high-temperatures reducing from August's hot 86.2°F (30.1°C) to a warm 79.3°F (26.3°C). An average low-temperature of 61°F (16.1°C) is anticipated throughout the nights during September.Humidity
In September, the average relative humidity in Ruby is 76%.Rainfall
In Ruby, in September, it is raining for 11.5 days, with typically 2.05" (52mm) of accumulated precipitation. In Ruby, during the entire year, the rain falls for 155.6 days and collects up to 31.61" (803mm) of precipitation.Snowfall
In Ruby, snow does not fall in May through October.Daylight
In Ruby, Virginia, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of September, in Ruby, sunrise is at 7:05 am and sunset at 6:54 pm EDT.
Sunshine
In Ruby, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Ruby, Virginia, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ruby in September?
What is the average humidity in September in Ruby?
How much does it rain in Ruby in September?
When it does not snow in Ruby?
What is the average length of the day in September in Ruby?
What time are sunrise and sunset in September in Ruby?
How long on average sun shines in September in Ruby?
What is the UV index intensity in September in Ruby?
Average temperature in September
Ruby, VA
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Ruby, 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 (29.95"Hg).
Average wind speed in September
Ruby, VA
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Ruby, VA
- Average humidity in September: 76%
The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).
Average rainfall in September
Ruby, VA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Ruby, VA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Ruby, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ruby, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Ruby, 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 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Ruby, VA
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Ruby, 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
Ruby, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Ruby, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Ruby, Virginia, USA
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