September weather forecast
Plandome Manor, NY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Plandome Manor, New York, with an average temperature varying between 73.4°F (23°C) and 63.5°F (17.5°C).

Temperature

A mild drop in Plandome Manor's average high-temperature is observed in September, transitioning from a moderately hot 80.4°F (26.9°C) in August to a still warm 73.4°F (23°C). An average low-temperature of 63.5°F (17.5°C) marks the nights throughout September.

Humidity

In September, the average relative humidity in Plandome Manor, New York, is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 2.4" (61mm) of precipitation.

Snowfall

In Plandome Manor, New York, snow does not fall in May through October.

Daylight

In Plandome Manor, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

In Plandome Manor, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Plandome Manor, records 73.4°F (23°C), while the low-temperature is 63.5°F (17.5°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in September?

In Plandome Manor, the average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 2.4" (61mm) of precipitation.

How much does it rain in September?

In Plandome Manor, during September, the rain falls for 12.9 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

In Plandome Manor, New York, snow does not fall in May through October.

What is the average length of the day in September?

In Plandome Manor, the average day length in September is 12h and 27min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How long on average sun shines in September?

In Plandome Manor, New York, the average sunshine duration in September is 9h.

What is the UV index intensity in September?

The average daily maximum UV index in September in Plandome Manor is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Plandome Manor, NY

Average temperature in September - Plandome Manor, NY
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 63.5°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Plandome Manor, NY

Average pressure in September - Plandome Manor, NY
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Plandome Manor, NY

Average wind speed in September - Plandome Manor, NY
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Plandome Manor, NY

Average humidity in September - Plandome Manor, NY
  • Average humidity in September: 73%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in September
Plandome Manor, NY

Average rainfall in September - Plandome Manor, NY
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in September
Plandome Manor, NY

Average rainfall days in September - Plandome Manor, NY
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in September
Plandome Manor, NY

Average snowfall in September - Plandome Manor, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Plandome Manor, NY

Average snowfall days in September - Plandome Manor, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Plandome Manor, NY

Average daylight in September / Average sunshine in September - Plandome Manor, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Plandome Manor, NY

Average sunshine days in September - Plandome Manor, NY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Plandome Manor, NY

Average UV index in September - Plandome Manor, 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, November and December (UV index 2).

Average cloud cover in September
Plandome Manor, NY

Average cloud cover in September - Plandome Manor, NY
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in September
Plandome Manor, NY

Average visibility in September - Plandome Manor, 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).

Plandome Manor, New York, USA

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