September weather forecast and climate
Jamesport, NY

The first month of the autumn, September, is still a pleasant month in Jamesport, New York, with average temperature ranging between min 65.7°F (18.7°C) and max 70.9°F (21.6°C).

Temperature

In September, the average high-temperature is almost the same as in August - an agreeable 70.9°F (21.6°C). The average low-temperature, in Jamesport, is 65.7°F (18.7°C).

Humidity

The average relative humidity in Jamesport, New York, is 76%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.7 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

In Jamesport, New York, snow does not fall in April, June through November.

Daylight

In Jamesport, New York, the average length of the day is 12.4h.

Sunshine

The average sunshine is 9h.

UV index

The average daily maximum UV index in Jamesport is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
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.

What is the temperature in September in Jamesport?

The average high-temperature, in September, in Jamesport, is 70.9°F (21.6°C), while the average low-temperature is 65.7°F (18.7°C).

What is the average humidity in September in Jamesport?

The average relative humidity in September is 76%.

How many days does it rain in September in Jamesport?

In Jamesport, New York, during September, the rain falls for 11.7 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the driest month in Jamesport?

September is the month with the least rainfall in Jamesport. Rain falls for 11.7 days and accumulates 2.01" (51mm) of precipitation.

When it does not snow in Jamesport?

April, June through November are months without snowfall in Jamesport, New York.

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

The average length of the day in September in Jamesport, New York, is 12.4h.

How long on average sun shines in September in Jamesport?

In September, the average sunshine in Jamesport, New York, is 9h.

What is the UV index reading in September in Jamesport?

The average daily maximum UV index in September in Jamesport is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Jamesport, NY
  • Average high temperature in September: 70.9°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 (39°F).

  • Average low temperature in September: 65.7°F

Months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in September - Jamesport, NY
  • Average wind speed in September: 12.3mph

The windiest month (with the highest average wind speed) is January (15.9mph).
The calmest month (with the lowest average wind speed) is July (10.5mph).

Average humidity in September - Jamesport, NY
  • Average humidity in September: 76%

Months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

Average rainfall in September - Jamesport, NY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September - Jamesport, NY
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.7 days).

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

The month with the highest snowfall is March (1.69").
Months with the least snowfall are April, June, July, August, September, October and November (0").

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

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

Average daylight in September / Average sunshine in September - Jamesport, 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: 9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 4.7h).

Average sunshine days in September - Jamesport, NY
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in September - Jamesport, NY
  • Average UV index in September: 5

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

Average cloud cover in September - Jamesport, NY
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).