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 from August to September coincides with a small decrease in the average high-temperature, down to a warm 80.8°F (27.1°C) from a tropical 87.8°F (31°C). September nights in Strawhorn, Virginia, are marked by an average temperature drop to an enjoyable 62.2°F (16.8°C).Heat index
In September, the average heat index is evaluated at 84.2°F (29°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In Strawhorn, Virginia, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.69" (43mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Strawhorn, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm EDT.
Sunshine
In Strawhorn, Virginia, the average sunshine in September is 8.8h.UV index
In Strawhorn, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are the temperatures in Strawhorn in September?
What is the average humidity in September in Strawhorn?
What is the driest month in Strawhorn?
How many days does it rain in September in Strawhorn?
When it does not snow in Strawhorn?
What is the average length of the day in September in Strawhorn?
When is the sunrise / sunset in September in Strawhorn?
How many hours of sunshine does Strawhorn have in September?
What is the UV index reading in September in Strawhorn?
Average temperature in September
Strawhorn, VA
- Average high temperature in September: 80.8°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 (43.9°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in September
Strawhorn, 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
Strawhorn, VA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Strawhorn, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Strawhorn, VA
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Strawhorn, VA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Strawhorn, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Strawhorn, VA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.8 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
Strawhorn, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Strawhorn, VA
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Strawhorn, VA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Strawhorn, 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 32).
Average visibility in September
Strawhorn, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).
Strawhorn, Virginia, USA
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