September weather forecast and climate
Dobbs Ferry, NY

The first month of the autumn, September, is still a warm month in Dobbs Ferry, New York, with average temperature ranging between max 75.2°F (24°C) and min 59.5°F (15.3°C).

Temperature

In Dobbs Ferry, the average high-temperature in September slightly decreases, from a warm 82.6°F (28.1°C) in August, to a still moderately hot 75.2°F (24°C). In Dobbs Ferry, the average low-temperature is 59.5°F (15.3°C).

Humidity

The average relative humidity is 74%.

Rainfall

In Dobbs Ferry, during September, the rain falls for 11.5 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Dobbs Ferry, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.

Snowfall

May through September are months without snowfall in Dobbs Ferry.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Dobbs Ferry, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in Dobbs Ferry, New York, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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.

What is the temperature in September in Dobbs Ferry?

The average high-temperature, in September, in Dobbs Ferry, is 75.2°F (24°C), while the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in September in Dobbs Ferry?

In September, the average relative humidity is 74%.

How much does it rain in Dobbs Ferry in September?

In September, in Dobbs Ferry, New York, the rain falls for 11.5 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

Does it snow in Dobbs Ferry in September?

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

When it does not snow in Dobbs Ferry?

May through September are months without snowfall in Dobbs Ferry.

What is the average length of the day in September in Dobbs Ferry?

In September, the average length of the day in Dobbs Ferry is 12.4h.

How many hours of sunshine does Dobbs Ferry have in September?

In September, the average sunshine in Dobbs Ferry is 8.8h.

What is the UV index intensity in September in Dobbs Ferry?

In Dobbs Ferry, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Dobbs Ferry, NY
  • Average high temperature in September: 24°C

The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in September: 15.3°C

The month with the highest average low temperature is July (19.7°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in September - Dobbs Ferry, NY
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in September - Dobbs Ferry, NY
  • Average wind speed in September: 9.9km/h

The windiest months (with the highest average wind speed) are January and March (13.4km/h).
The calmest months (with the lowest average wind speed) are July and August (9km/h).

Average humidity in September - Dobbs Ferry, NY
  • Average humidity in September: 74%

Months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September - Dobbs Ferry, NY
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is February (21mm).

Average rainfall days in September - Dobbs Ferry, NY
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in September - Dobbs Ferry, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (42mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Dobbs Ferry, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Dobbs Ferry, NY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in September - Dobbs Ferry, NY
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in September - Dobbs Ferry, NY
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September - Dobbs Ferry, NY
  • Average cloud cover in September: 35

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Dobbs Ferry, NY
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).