Jamestown
New York, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Jamestown, NY

Septiembre, the first month of the autumn, in Jamestown, is also an agreeable month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 47.3°F (8.5°C).

Temperature

In Jamestown, New York, the average high-temperature in Septiembre marginally drops, from a moderately hot 79°F (26.1°C) in Agosto, to a pleasant 71.8°F (22.1°C). In Septiembre, in Jamestown, New York, the average low-temperature is 47.3°F (8.5°C).

Rainfall

In Jamestown, during Septiembre, the rain falls for 10.3 days and regularly aggregates up to 4.29" (109mm) of precipitation. In Jamestown, during the entire year, the rain falls for 153.2 days and collects up to 45.31" (1151mm) of precipitation.

Snowfall

In Jamestown snow does not fall in Mayo through Septiembre.

Daylight

The average length of the day is 12.5h.

Sunshine

In Septiembre, the average sunshine in Jamestown, New York, is 6h.

UV index

In Septiembre, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: In Septiembre, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Septiembre in Jamestown?

In Jamestown, New York, in Septiembre, the average high-temperature is 71.8°F (22.1°C), and the average low-temperature is 47.3°F (8.5°C).

How much does it rain in Jamestown in Septiembre?

In Septiembre, in Jamestown, the rain falls for 10.3 days. Throughout Septiembre, 4.29" (109mm) of precipitation is accumulated.

Does it snow in Jamestown in Septiembre?

In Jamestown, in Septiembre, it doesn't snow. In Octubre, it regularly snows.

When it does not snow in Jamestown?

In Jamestown snow does not fall in Mayo through Septiembre.

How many hours of daylight does Jamestown have in Septiembre?

In Jamestown, the average length of the day in Septiembre is 12.5h.

How many hours of sunshine does Jamestown have in Septiembre?

The average sunshine in Septiembre in Jamestown, New York, is 6h.

What is the UV index reading in Septiembre in Jamestown?

In Septiembre, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Jamestown, NY
  • Average high temperature in September: 71.8°F

The warmest month (with the highest average high temperature) is July (80°F).
The month with the lowest average high temperature is January (31.9°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average rainfall in September - Jamestown, NY
  • Average rainfall in September: 4.3"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is February (2.6").

Average rainfall days in September - Jamestown, NY
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is January (17.3 days).
The month with the lowest number of rainy days is September (10.3 days).

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

The month with the highest snowfall is January (25.7").
Months with the lowest snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is January (11.8 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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

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

  • Average sunshine in September: 6h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in September - Jamestown, NY
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).