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
In the transition to September, Middletown observes a minor drop in the average high-temperature, shifting from a moderately hot 82.9°F (28.3°C) in August to a still warm 76.1°F (24.5°C). Nighttime temperatures consistently average a mild 55.9°F (13.3°C) during September.Humidity
In Middletown, the average relative humidity in September is 78%.Rainfall
In Middletown, during September, the rain falls for 11.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 131.9 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Middletown, Virginia.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:56 pm EDT.
Sunshine
In Middletown, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Middletown is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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 is the usual temperature for Middletown in September?
What is the average humidity in September in Middletown?
How many days does it rain in September in Middletown?
When it does not snow in Middletown?
What is the average length of the day in September in Middletown?
When is the sunrise / sunset in September in Middletown?
How long on average sun shines in September in Middletown?
What is the UV index intensity in September in Middletown?
Average temperature in September
Middletown, VA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Middletown, VA
- Average pressure in September: 30.06"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
Middletown, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are February and March (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Middletown, VA
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Middletown, VA
- Average rainfall in September: 0.94"
The wettest months (with the highest rainfall) are July and August (1.5").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Middletown, VA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Middletown, VA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Middletown, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Middletown, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Middletown, VA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Middletown, VA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Middletown, VA
- Average cloud cover in September: 40
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Middletown, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, June, July and November (6mi).
The months with the lowest visibility are March, May, August, September, October and December (5mi).
Middletown, Virginia, USA
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