September weather forecast
Middle Island, NY

Weather in September

September, the first month of the autumn in Middle Island, is also an agreeable month, with an average temperature ranging between max 72.1°F (22.3°C) and min 64.9°F (18.3°C).

Temperature

In Middle Island, New York, the average high-temperature in September marginally drops from a warm 78.3°F (25.7°C) in August to a pleasant 72.1°F (22.3°C). The average low-temperature, in September, is 64.9°F (18.3°C).

Humidity

In Middle Island, the average relative humidity in September is 74%.

Rainfall

In Middle Island, during 12.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Middle Island, during the entire year, the rain falls for 153 days and collects up to 35.04" (890mm) of precipitation.

Snowfall

April, June through November are months without snowfall in Middle Island.

Daylight

In Middle Island, the average length of the day in September is 12h and 27min.
On the first day of September in Middle Island, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm EDT.

Sunshine

In Middle Island, New York, the average sunshine in September is 8.9h.

UV index

In Middle Island, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the temperature in September in Middle Island?

The average high-temperature, in September, in Middle Island, New York, is 72.1°F (22.3°C), while the average low-temperature is 64.9°F (18.3°C).

What is the average humidity in September in Middle Island?

The average relative humidity in September in Middle Island is 74%.

How much does it rain in Middle Island in September?

In Middle Island, in September, during 12.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Middle Island?

In Middle Island, snow does not fall in April, June through November.

How many hours of daylight does Middle Island have in September?

The average day length in September in Middle Island, New York, is 12h and 27min.

When is the sunrise / sunset in September in Middle Island?

On the first day of September, sunrise is at 6:18 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm EDT.

How long on average sun shines in September in Middle Island?

In Middle Island, the average sunshine duration in September is 8.9h.

How high is the UV index in September in Middle Island?

The average daily maximum UV index in September in Middle Island is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Middle Island, NY

Average temperature in September - Middle Island, NY
  • Average high temperature in September: 72.1°F

The warmest months (with the highest average high temperature) are July and August (78.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 64.9°F

The months with the highest average low temperature are July and August (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

[Resources]

Average pressure in September
Middle Island, NY

Average pressure in September - Middle Island, NY
  • Average pressure in September: 30.05"Hg

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

[Resources]

Average wind speed in September
Middle Island, NY

Average wind speed in September - Middle Island, NY
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

[Resources]

Average humidity in September
Middle Island, NY

Average humidity in September - Middle Island, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

[Resources]

Average rainfall in September
Middle Island, NY

Average rainfall in September - Middle Island, NY
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is January (2.24").

[Resources]

Average rainfall days in September
Middle Island, NY

Average rainfall days in September - Middle Island, NY
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8 days).

[Resources]

Average snowfall in September
Middle Island, NY

Average snowfall in September - Middle Island, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.17").
The months with the least snowfall are April, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Middle Island, NY

Average snowfall days in September - Middle Island, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Middle Island, NY

Average daylight in September / Average sunshine in September - Middle Island, NY
  • Average daylight in September: 12h and 27min

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in September
Middle Island, NY

Average sunshine days in September - Middle Island, NY
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (12.5 days).

[Resources]

Average UV index in September
Middle Island, NY

Average UV index in September - Middle Island, NY
  • Average UV index in September: 5

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

[Resources]

Average cloud cover in September
Middle Island, NY

Average cloud cover in September - Middle Island, NY
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

[Resources]

Average visibility in September
Middle Island, NY

Average visibility in September - Middle Island, NY
  • Average visibility in September: 6mi

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location