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
September is marked by a subtle drop in average high-temperatures, transitioning from a hot 87.8°F (31°C) in August to a moderately hot 80.8°F (27.1°C). In Middleton, an average low-temperature of 62.2°F (16.8°C) is recorded during September nights.Heat index
September's mean heat index is computed to be 84.2°F (29°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Middleton 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 in Middleton.Daylight
The average length of the day in September in Middleton is 12h and 25min.On the first day of September in Middleton, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:54 pm EDT.
Sunshine
In Middleton, the average sunshine in September is 8.8h.UV index
In Middleton, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Middleton?
What is the average humidity in September in Middleton?
What is the driest month in Middleton?
How much does it rain in Middleton in September?
When it does not snow in Middleton?
How many hours of daylight does Middleton have in September?
When is the sunrise / sunset in September in Middleton?
How many hours of sunshine does Middleton have in September?
What is the UV index intensity in September in Middleton?
Average temperature in September
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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
Middleton, 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).
Middleton, Virginia, USA
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