September weather forecast and climate
Ashville, NY

The first month of the autumn, September, is also an agreeable month in Ashville, New York, with average temperature fluctuating between 69.4°F (20.8°C) and 54.3°F (12.4°C).

Temperature

In Ashville, the average high-temperature is relatively the same as in August - a pleasant 69.4°F (20.8°C). In September, in Ashville, the average low-temperature is 54.3°F (12.4°C).

Humidity

Months with the lowest humidity are April and September, with an average relative humidity of 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 15.4 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in Ashville is 12.5h.

Sunshine

In September, the average sunshine is 8.6h.

UV index

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 unsafe exposure to the 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Ashville?

The average high-temperature, in September, in Ashville, is 69.4°F (20.8°C), while the average low-temperature is 54.3°F (12.4°C).

What are the least humid months in Ashville?

April and September, with an average relative humidity of 81%, are the least humid months in Ashville.

What is the average humidity in September in Ashville?

The average relative humidity in September is 81%.

How many days does it rain in September in Ashville?

In Ashville, New York, during September, the rain falls for 15.4 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the driest month in Ashville?

The month with the least rainfall in Ashville is September when the rain falls for 15.4 days and typically collects 1.89" (48mm) of precipitation.

Does it snow in Ashville in September?

In Ashville, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Ashville?

June through September are months without snowfall in Ashville, New York.

How many hours of daylight does Ashville have in September?

In September, the average length of the day in Ashville, New York, is 12.5h.

How long on average sun shines in September in Ashville?

The average sunshine in September in Ashville is 8.6h.

How high is the UV index in September in Ashville?

The average daily maximum UV index in September in Ashville, New York, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Ashville, NY
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September - Ashville, NY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in September - Ashville, NY
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in September - Ashville, NY
  • Average humidity in September: 81%

Months with the highest relative humidity are January and February (88%).
Months with the lowest relative humidity are April and September (81%).

Average rainfall in September - Ashville, NY
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September - Ashville, NY
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September - Ashville, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.64").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in September - Ashville, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (20.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Ashville, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 2.3h).

Average sunshine days in September - Ashville, NY
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is January (4.9 days).

Average UV index in September - Ashville, NY
  • Average UV index in September: 3

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September - Ashville, NY
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Ashville, NY
  • Average visibility in September: 6mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).