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 shift into September uncovers an average high-temperature of a still warm 76.8°F (24.9°C), subtly different from the previous month. Lebanon observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 54°F (12.2°C).Humidity
In September, the average relative humidity in Lebanon is 78%.Rainfall
The month with the least rainfall in Lebanon is September, when the rain falls for 13.4 days and typically collects 1.1" (28mm) of precipitation.Snowfall
In Lebanon, snow does not fall in May through September.Daylight
In Lebanon, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:12 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Lebanon, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the usual temperature for Lebanon in September?
What is the average humidity in September in Lebanon?
What is the driest month in Lebanon?
How many days does it rain in September in Lebanon?
When it does not snow in Lebanon?
Does it snow in Lebanon in September?
What is the average length of the day in September in Lebanon?
What time are sunrise and sunset in September in Lebanon?
How long on average sun shines in September in Lebanon?
How high is the UV index in September in Lebanon?
Average temperature in September
Lebanon, VA
- Average high temperature in September: 76.8°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 (39.7°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Lebanon, 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
Lebanon, VA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Lebanon, VA
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Lebanon, VA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in September
Lebanon, VA
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Lebanon, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lebanon, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lebanon, 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 42min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Lebanon, VA
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Lebanon, VA
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Lebanon, VA
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Lebanon, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Lebanon, Virginia, USA
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