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 brings an average high-temperature of a still warm 76.1°F (24.5°C), nearly identical to the preceding month. Night temperatures during September stabilize at an average of 70.7°F (21.5°C), closely mirroring the daytime temperatures.Humidity
In September, the average relative humidity is 76%.Rainfall
In Jamesville, during September, the rain falls for 14.4 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 161.5 rainfall days, and 26.06" (662mm) of precipitation is accumulated.Snowfall
In Jamesville, snow does not fall in April through November.Daylight
In Jamesville, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:34 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine in Jamesville is 9.6h.UV index
In September, the average daily maximum UV index in Jamesville, Virginia, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September in Jamesville?
How long on average sun shines in September in Jamesville?
How high is the UV index in September?
Average temperature in September
Jamesville, VA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in September
Jamesville, VA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Jamesville, VA
- Average wind speed in September: 11.3mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in September
Jamesville, VA
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Jamesville, VA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in September
Jamesville, VA
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Jamesville, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Jamesville, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Jamesville, 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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Jamesville, VA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Jamesville, VA
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Jamesville, VA
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Jamesville, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Jamesville, Virginia, USA
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