September weather forecast
Greater Rochester International Airport, NY

September, the first month of the autumn in Greater Rochester International Airport, is still a pleasant month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 51.8°F (11°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a warm 78.8°F (26°C) in August to an agreeable 71.6°F (22°C). Greater Rochester International Airport experiences an average low-temperature reading of 51.8°F (11°C) throughout September.

Rainfall

In Greater Rochester International Airport, in September, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. 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, the average seawater temperature in September is 66.2°F (19°C).
Note: In 66.2°F (19°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).

Daylight

In Greater Rochester International Airport, New York, the average length of the day in September is 12h and 29min.
On the first day of September in Greater Rochester International Airport, sunrise is at 6:35 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:53 pm EDT.

Sunshine

The average sunshine in September in Greater Rochester International Airport, New York, is 7h.

UV index

In September, the average daily maximum UV index in Greater Rochester International Airport is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.