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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a hot 87.4°F (30.8°C) in August to a warm 81.5°F (27.5°C). Keats records an average nighttime low-temperature of 62.6°F (17°C) throughout September.Heat index
The heat index value for September is estimated at a hot 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in September in Keats is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.3" (33mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Keats, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:57 pm EDT.
Sunshine
In Keats, Virginia, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Keats?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Keats have in September?
What time are sunrise and sunset in September in Keats?
How many hours of sunshine does Keats have in September?
What is the UV index intensity in September?
Average temperature in September
Keats, VA
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 62.6°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 (30.6°F).
Average pressure in September
Keats, VA
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Keats, VA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Keats, 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
Keats, VA
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Keats, VA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in September
Keats, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Keats, 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
Keats, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Keats, VA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Keats, 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
Keats, VA
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Keats, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Keats, Virginia, USA
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