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 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 East Shoreham, entering September brings a subtle temperature decrement, reducing from August's warm 78.3°F (25.7°C) to a pleasant 72.1°F (22.3°C). September nights in East Shoreham witness a mild cool down to an average low of 64.9°F (18.3°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In East Shoreham, in September, during 12.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In East Shoreham, during the entire year, the rain falls for 153 days and collects up to 35.04" (890mm) of precipitation.Snowfall
In East Shoreham, snow does not fall in April, June through November.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:34 pm EDT.
Sunshine
In East Shoreham, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does East Shoreham have in September?
What is the UV index reading in September?
Average temperature in September
East Shoreham, 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).
Average pressure in September
East Shoreham, 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).
Average wind speed in September
East Shoreham, 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).
Average humidity in September
East Shoreham, 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%).
Average rainfall in September
East Shoreham, 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").
Average rainfall days in September
East Shoreham, 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).
Average snowfall in September
East Shoreham, 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").
Average snowfall days in September
East Shoreham, 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).
Average daylight in September /
Average sunshine in September
East Shoreham, 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: 8h and 5min
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).
Average sunshine days in September
East Shoreham, 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).
Average UV index in September
East Shoreham, 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).
Average cloud cover in September
East Shoreham, 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).
Average visibility in September
East Shoreham, 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).
East Shoreham, New York, USA
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