September weather forecast and climate
Cottekill, NY

September, the first month of the autumn, in Cottekill, is still a warm month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 52.7°F (11.5°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 81.1°F (27.3°C) in August, to a still moderately hot 73.4°F (23°C). In September, the average low-temperature is 52.7°F (11.5°C).

Humidity

In Cottekill, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.3 days and typically collects 1.3" (33mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Cottekill, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine in Cottekill is 8.9h.

UV index

The average daily maximum UV index in Cottekill is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
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 Cottekill?

In September, in Cottekill, New York, the average high-temperature is 73.4°F (23°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Cottekill?

In September, the average relative humidity in Cottekill, New York, is 78%.

How many days does it rain in September in Cottekill?

In September, the rain falls for 11.3 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

What is the driest month in Cottekill?

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

Does it snow in Cottekill in September?

In Cottekill, New York, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Cottekill?

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

What is the average length of the day in September in Cottekill?

The average length of the day in September in Cottekill is 12.5h.

How long on average sun shines in September in Cottekill?

In Cottekill, New York, the average sunshine in September is 8.9h.

What is the UV index intensity in September in Cottekill?

In September, the average daily maximum UV index in Cottekill, New York, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Cottekill, NY
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

Average pressure in September - Cottekill, NY
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in September - Cottekill, NY
  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September - Cottekill, NY
  • Average humidity in September: 78%

Months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September - Cottekill, NY
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is October (60mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in September - Cottekill, NY
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September - Cottekill, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (105mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Cottekill, 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: 8.9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average sunshine days in September - Cottekill, NY
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in September - Cottekill, NY
  • Average UV index in September: 4

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

Average cloud cover in September - Cottekill, NY
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September - Cottekill, NY
  • Average visibility in September: 8km

Months with the highest visibility are April and November (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (8km).