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
Richlands's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 81.7°F (27.6°C) to a still moderately hot 76.1°F (24.5°C). Despite drastic daytime highs, Richlands logs an average low-temperature reading of 53.6°F (12°C) throughout September.Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall in Richlands. Rain falls for 13.2 days and accumulates 1.14" (29mm) of precipitation.Snowfall
In Richlands, snow does not fall in June through September.Daylight
In Richlands, Virginia, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:55 pm. On the last day of September, in Richlands, sunrise is at 7:22 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September in Richlands is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are September temperatures in Richlands?
What is the average humidity in September in Richlands?
What is the driest month in Richlands?
How many days does it rain in September in Richlands?
When it does not snow in Richlands?
Does it snow in Richlands in September?
What is the average length of the day in September in Richlands?
What time are sunrise and sunset in September in Richlands?
How long on average sun shines in September in Richlands?
What is the UV index reading in September in Richlands?
Average temperature in September
Richlands, VA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Richlands, 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
Richlands, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Richlands, VA
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Richlands, VA
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is February (2.72").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in September
Richlands, VA
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Richlands, VA
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richlands, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richlands, 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, July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Richlands, VA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Richlands, VA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Richlands, VA
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Richlands, 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).
Richlands, Virginia, USA
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