Greater Rochester International Airport
New York, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Greater Rochester International Airport, NY

The first month of the autumn, Septiembre, is still a pleasant month in Greater Rochester International Airport, New York, with average temperature ranging between min 51.8°F (11°C) and max 71.6°F (22°C).

Temperature

In Septiembre, the average high-temperature marginally drops, from a moderately hot 78.8°F (26°C) in Agosto, to an agreeable 71.6°F (22°C). In Greater Rochester International Airport, the average low-temperature is 51.8°F (11°C).

Rainfall

In Greater Rochester International Airport, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Greater Rochester International Airport, during the entire year, the rain falls for 152 days and collects up to 31.89" (810mm) of precipitation.

Ocean temperature

In Greater Rochester International Airport, in Septiembre, the average water temperature is 66.2°F (19°C).
Note: For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Septiembre, the average length of the day in Greater Rochester International Airport is 12.5h.

Sunshine

In Greater Rochester International Airport, the average sunshine in Septiembre is 7h.

UV index

The average daily maximum UV index in Septiembre is 6. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in Septiembre in Greater Rochester International Airport?

In Septiembre, in Greater Rochester International Airport, New York, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 51.8°F (11°C).

How many days does it rain in Septiembre in Greater Rochester International Airport?

In Greater Rochester International Airport, New York, in Septiembre, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the ocean temperature in Septiembre in Greater Rochester International Airport?

In Septiembre, the average ocean temperature in Greater Rochester International Airport, New York, is 66.2°F (19°C). For most, swimming in 66.2°F (19°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in Septiembre in Greater Rochester International Airport?

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

How long on average sun shines in Septiembre in Greater Rochester International Airport?

In Septiembre, the average sunshine in Greater Rochester International Airport is 7h.

How high is the UV index in Septiembre in Greater Rochester International Airport?

In Septiembre, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Greater Rochester International Airport, NY
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in September: 52°F

Months with the highest average low temperature are July and August (59°F).
Coldest months (with the lowest average low temperature) are January and February (16°F).

Average rainfall in September - Greater Rochester International Airport, NY
  • Average rainfall in September: 3"

The wettest month (with the highest rainfall) is August (3.3").
Driest months (with the lowest rainfall) are January and February (2").

Average rainfall days in September - Greater Rochester International Airport, NY
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is December (17 days).
The month with the lowest number of rainy days is July (9 days).

Average sea temperature in September - Greater Rochester International Airport, NY
  • Average sea temperature in September: 66°F

The best month for swimming (with the highest average sea temperature) is August (70°F).
Coldest months (with the lowest average sea temperature) are February and March (36°F).

Average daylight in September / Average sunshine in September - Greater Rochester International Airport, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 7h

Months with most sunshine are June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 3).

Average UV index in September - Greater Rochester International Airport, NY
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).