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 Port Washington North, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 81.1°F (27.3°C) to a still moderately hot 73.9°F (23.3°C). September nights are marked by an average temperature drop to a comfortable 62.8°F (17.1°C).Humidity
In September, the average relative humidity is 73%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Port Washington North, there are 168.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Port Washington North.Ocean temperature
In Port Washington North, in September, the average water temperature is 70.2°F (21.2°C).Note: Swimming in 70.2°F (21.2°C) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 69.8°F (21°C).
Daylight
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, in Port Washington North, sunrise is at 6:51 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine in Port Washington North is 9h.UV index
The average daily maximum UV index in September in Port Washington North is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The mirror effect of sand and water ups the UV radiation strength.
Frequently asked questions
What is the average September temperature in Port Washington North?
What is the average humidity in September in Port Washington North?
How many days does it rain in September in Port Washington North?
When it does not snow in Port Washington North?
What is the ocean temperature in September in Port Washington North?
What is the average length of the day in September in Port Washington North?
What time are sunrise and sunset in September in Port Washington North?
How many hours of sunshine does Port Washington North have in September?
What is the UV index intensity in September in Port Washington North?
Average temperature in September
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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
Port Washington North, 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).
Port Washington North, New York, USA
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