September weather forecast
Jamesport, NY

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Weather in September

September, the first month of the autumn in Jamesport, is still a pleasant month, with an average temperature varying between 70.9°F (21.6°C) and 65.7°F (18.7°C).

Temperature

With the start of September, Jamesport measures an average high-temperature of a pleasant 70.9°F (21.6°C), not significantly differing from August's 75.7°F (24.3°C). Jamesport's September nights demonstrate minimal variation from the daytime temperatures, with an average of 65.7°F (18.7°C).

Humidity

In Jamesport, the average relative humidity in September 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

April, June through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:22 pm. On the last day of September, in Jamesport, sunrise is at 6:46 am and sunset at 6:33 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature during September is 70.9°F (21.6°C) and the low-temperature is 65.7°F (18.7°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

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

How much does it rain in September?

In Jamesport, in September, during 11.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow?

April, June through November are months without snowfall.

What is the average length of the day in September?

In Jamesport, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:17 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:33 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

What is the UV index reading in September?

In Jamesport, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jamesport, NY

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

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

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

Average wind speed in September
Jamesport, NY

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

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

The month with the highest snowfall is March (1.69").
The 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 - Jamesport, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The 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 / Average sunshine in September - Jamesport, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in September
Jamesport, NY

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

The months with the highest UV index are June, July and August (UV index 6).
The 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 - 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 - Jamesport, NY
  • Average visibility in September: 6mi

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

Jamesport, New York, USA

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