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 September, the average high-temperature slightly decreases from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.1°F (20.6°C). The average low-temperature, in Downsville, is 48.6°F (9.2°C).Humidity
In September, the average relative humidity in Downsville is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.24" (57mm) of precipitation.Snowfall
June through September are months without snowfall in Downsville, New York.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:44 pm EDT.
Sunshine
In Downsville, the average sunshine in September is 8.4h.UV index
In Downsville, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
What is the temperature in September in Downsville?
What is the average humidity in September in Downsville?
What is the driest month in Downsville?
How much does it rain in Downsville in September?
When it does not snow in Downsville?
Does it snow in Downsville in September?
What is the average length of the day in September in Downsville?
When is the sunrise / sunset in September in Downsville?
How many hours of sunshine does Downsville have in September?
How high is the UV index in September in Downsville?
Average temperature in September
Downsville, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Downsville, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Downsville, NY
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Downsville, NY
- Average humidity in September: 81%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Downsville, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Downsville, NY
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Downsville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Downsville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Downsville, NY
- Average daylight in September: 12h and 28min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 10min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Downsville, NY
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in September
Downsville, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in September
Downsville, NY
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Downsville, NY
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, March, August, September and December (4mi).
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