September weather forecast and climate
Manorville, NY

The first month of the autumn, September, is still a pleasant month in Manorville, New York, with average temperature fluctuating between 71.2°F (21.8°C) and 65.1°F (18.4°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 77.5°F (25.3°C) in August, to a pleasant 71.2°F (21.8°C). In September, in Manorville, New York, the average low-temperature is 65.1°F (18.4°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

In Manorville snow does not fall in April, June through October.

Daylight

In Manorville, the average length of the day is 12.4h.

Sunshine

In Manorville, the average sunshine is 9h.

UV index

In September, the average daily maximum UV index in Manorville, New York, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Manorville?

In Manorville, in September, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in September in Manorville?

The average relative humidity in September is 75%.

How many days does it rain in September in Manorville?

In Manorville, New York, during September, the rain falls for 12.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the driest month in Manorville?

September is the month with the least rainfall in Manorville, New York. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

When it does not snow in Manorville?

April, June through October are months without snowfall.

How many hours of daylight does Manorville have in September?

The average length of the day in September in Manorville, New York, is 12.4h.

How many hours of sunshine does Manorville have in September?

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

What is the UV index intensity in September in Manorville?

In September, the average daily maximum UV index in Manorville is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Manorville, NY
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September - Manorville, NY
  • Average pressure in September: 30.05"

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

Average wind speed in September - Manorville, NY
  • Average wind speed in September: 11.2mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).

Average humidity in September - Manorville, NY
  • Average humidity in September: 75%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

Average rainfall in September - Manorville, NY
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September - Manorville, NY
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9 days).

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

The month with the highest snowfall is March (1.54").
Months with the least snowfall are April, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Manorville, NY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9h

Months with the most sunshine are July and August (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in September - Manorville, NY
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (13.2 days).

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in September - Manorville, NY
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September - Manorville, NY
  • Average visibility in September: 6mi

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