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
Hopewell's weather subtly changes with the onset of September, barely falling from a hot 87.6°F (30.9°C) in August to a moderately hot 81°F (27.2°C). Throughout September nights, Hopewell registers an average low-temperature of 63.1°F (17.3°C).Heat index
The heat index value during September is calculated to be a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The average relative humidity in September in Hopewell is 76%.Rainfall
September is the month with the least rainfall in Hopewell. Rain falls for 8.5 days and accumulates 0.47" (12mm) of precipitation.Snowfall
April through October are months without snowfall in Hopewell.Daylight
In September, the average length of the day in Hopewell, Virginia, is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm EDT.
Sunshine
In Hopewell, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Hopewell is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in September translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Hopewell in September?
What is the average humidity in September in Hopewell?
What is the driest month in Hopewell?
How many days does it rain in September in Hopewell?
When it does not snow in Hopewell?
What is the average length of the day in September in Hopewell?
When is the sunrise / sunset in September in Hopewell?
How many hours of sunshine does Hopewell have in September?
What is the UV index intensity in September in Hopewell?
Average temperature in September
Hopewell, VA
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Hopewell, 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 (29.95"Hg).
Average wind speed in September
Hopewell, VA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Hopewell, VA
- Average humidity in September: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Hopewell, VA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Hopewell, VA
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Hopewell, VA
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Hopewell, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.5 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
Hopewell, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Hopewell, VA
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is May (16.2 days).
Average UV index in September
Hopewell, VA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Hopewell, VA
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Hopewell, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Hopewell, Virginia, USA
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