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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 75.2°F (24°C) to an agreeable 69.1°F (20.6°C). In South Trenton, September nights witness a steady temperature drop to a cool 50.2°F (10.1°C).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in South Trenton. Rain falls for 13.6 days and accumulates 2.52" (64mm) of precipitation.Snowfall
In South Trenton, snow does not fall in June through September.Daylight
In September, the average length of the day in South Trenton, New York, is 12h and 29min.On the first day of September in South Trenton, sunrise is at 6:25 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:43 pm EDT.
Sunshine
In South Trenton, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 3. 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: The daily high UV index of 3 in September translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in South Trenton?
What is the average humidity in September in South Trenton?
What is the driest month in South Trenton?
How much does it rain in South Trenton in September?
When it does not snow in South Trenton?
Does it snow in South Trenton in September?
How many hours of daylight does South Trenton have in September?
When are sunrise and sunset in September in South Trenton?
How long on average sun shines in September in South Trenton?
What is the UV index intensity in September in South Trenton?
Average temperature in September
South Trenton, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
South Trenton, 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 (29.92"Hg).
Average wind speed in September
South Trenton, NY
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
South Trenton, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
South Trenton, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is October (3.78").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
South Trenton, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
South Trenton, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (10.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Trenton, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Trenton, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
South Trenton, NY
- Average sunshine days in September: 14 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in September
South Trenton, NY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
South Trenton, NY
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
South Trenton, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
South Trenton, New York, USA
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