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
Ivor's progression into September involves a minor drop in the average high-temperature, slightly receding from a hot 86.9°F (30.5°C) in August to a moderately hot 81.1°F (27.3°C). Throughout the month of September, Ivor reports a steady low-temperature average of 63.1°F (17.3°C).Heat index
The heat index for September is calculated to be a tropical 86°F (30°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 78%.Rainfall
In Ivor, in September, it is raining for 10.9 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Ivor, there are 132.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Ivor, Virginia.Daylight
In September, the average length of the day in Ivor is 12h and 25min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:52 pm EDT.
Sunshine
In Ivor, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Ivor, Virginia, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ivor?
What is the average humidity in September in Ivor?
How much does it rain in Ivor in September?
When it does not snow in Ivor?
How many hours of daylight does Ivor have in September?
When is the sunrise / sunset in September in Ivor?
How many hours of sunshine does Ivor have in September?
What is the UV index intensity in September in Ivor?
Average temperature in September
Ivor, VA
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Ivor, VA
- Average pressure in September: 30.04"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
Ivor, VA
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Ivor, VA
- Average humidity in September: 78%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Ivor, VA
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Ivor, VA
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Ivor, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ivor, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Ivor, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Ivor, VA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Ivor, 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 and December (UV index 2).
Average cloud cover in September
Ivor, VA
- Average cloud cover in September: 41
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Ivor, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Ivor, Virginia, USA
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