September weather forecast and climate
Ontario Center, NY

The first month of the autumn, September, is also an agreeable month in Ontario Center, New York, with average temperature ranging between max 70.3°F (21.3°C) and min 58.3°F (14.6°C).

Temperature

In Ontario Center, the average high-temperature in September slightly decreases, from a warm 75.9°F (24.4°C) in August, to an agreeable 70.3°F (21.3°C). The average low-temperature, in Ontario Center, New York, is 58.3°F (14.6°C).

Humidity

August and September, with an average relative humidity of 75%, are the least humid months in Ontario Center.

Rainfall

The month with the least rainfall in Ontario Center, New York, is September when the rain falls for 14.2 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Ontario Center, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine in Ontario Center is 9.3h.

UV index

In September, the average daily maximum UV index in Ontario Center is 4. 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 daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 September in Ontario Center?

The average high-temperature, in September, is 70.3°F (21.3°C), while the average low-temperature is 58.3°F (14.6°C).

What are the least humid months in Ontario Center?

August and September, with an average relative humidity of 75%, are the least humid months in Ontario Center.

What is the average humidity in September in Ontario Center?

In Ontario Center, New York, the average relative humidity in September is 75%.

How many days does it rain in September in Ontario Center?

In September, in Ontario Center, New York, the rain falls for 14.2 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

What is the driest month in Ontario Center?

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 2.01" (51mm) of precipitation.

Does it snow in Ontario Center in September?

In Ontario Center, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Ontario Center?

June through September are months without snowfall in Ontario Center, New York.

What is the average length of the day in September in Ontario Center?

The average length of the day in September in Ontario Center is 12.5h.

How many hours of sunshine does Ontario Center have in September?

In Ontario Center, the average sunshine in September is 9.3h.

How high is the UV index in September in Ontario Center?

The average daily maximum UV index in September in Ontario Center, New York, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Ontario Center, NY
  • Average high temperature in September: 21.3°C

The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 14.6°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure in September - Ontario Center, NY
  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in September - Ontario Center, NY
  • Average wind speed in September: 14.2km/h

The windiest month (with the highest average wind speed) is January (21.2km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in September - Ontario Center, NY
  • Average humidity in September: 75%

Months with the highest relative humidity are January and February (83%).
Months with the lowest relative humidity are August and September (75%).

Average rainfall in September - Ontario Center, NY
  • Average rainfall in September: 51mm

The wettest month (with the highest rainfall) is October (82mm).
The driest month (with the least rainfall) is September (51mm).

Average rainfall days in September - Ontario Center, NY
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September - Ontario Center, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (152mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Ontario Center, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 2.6h).

Average sunshine days in September - Ontario Center, NY
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in September - Ontario Center, NY
  • Average UV index in September: 4

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September - Ontario Center, NY
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 75).
Months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in September - Ontario Center, NY
  • Average visibility in September: 10km

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January and February (8km).