Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the average high-temperature marginally drops from a warm 81.1°F (27.3°C) in August to a still moderately hot 73.9°F (23.3°C). Throughout September nights, Plandome Heights registers an average low-temperature of 62.8°F (17.1°C).Humidity
In Plandome Heights, New York, the average relative humidity in September is 73%.Rainfall
In Plandome Heights, in September, it is raining for 13.9 days, with typically 2.52" (64mm) of accumulated precipitation. In Plandome Heights, during the entire year, the rain falls for 168.7 days and collects up to 36.69" (932mm) of precipitation.Snowfall
In Plandome Heights, snow does not fall in May through October.Ocean temperature
In Plandome Heights, the average seawater temperature in September is 70.2°F (21.2°C).Note: Swimming is not a pleasurable activity for most people when the water temperature is 70.2°F (21.2°C). Breathing control gets harder as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
In September, the average length of the day in Plandome Heights 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, in Plandome Heights, sunrise is at 6:51 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine in Plandome Heights 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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Caution! The mirror effect of sand and water ups the UV radiation strength.
Frequently asked questions
What are September temperatures in Plandome Heights?
What is the average humidity in September in Plandome Heights?
How much does it rain in Plandome Heights in September?
When it does not snow in Plandome Heights?
What is the ocean temperature in September in Plandome Heights?
What is the average length of the day in September in Plandome Heights?
What time are sunrise and sunset in September in Plandome Heights?
How long on average sun shines in September in Plandome Heights?
What is the UV index intensity in September in Plandome Heights?
Average temperature in September
Plandome Heights, NY
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Plandome Heights, 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 Heights, NY
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Plandome Heights, NY
- Average humidity in September: 73%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Plandome Heights, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in September
Plandome Heights, NY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
Plandome Heights, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Plandome Heights, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Plandome Heights, NY
- Average sea temperature in September: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in September /
Average sunshine in September
Plandome Heights, 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 Heights, NY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
Plandome Heights, 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 Heights, NY
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Plandome Heights, 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 Heights, New York, USA
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