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
September indicates a minor shift in the average high-temperature, from August's moderately hot 73.9°F (23.3°C) to a comfortable 66.9°F (19.4°C). An average minimum temperature of 47.5°F (8.6°C) is recorded during the month of September.Humidity
In September, the average relative humidity is 81%.Rainfall
In North River, during September, the rain falls for 10.7 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 151.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.Snowfall
In North River, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:38 pm EDT.
Sunshine
In North River, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does North River have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does North River have in September?
What is the UV index intensity in September?
Average temperature in September
North River, NY
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in September
North River, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
North River, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.5mph).
Average humidity in September
North River, 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 (77%).
Average rainfall in September
North River, NY
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
North River, NY
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
North River, NY
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North River, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North River, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
North River, NY
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
North River, 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, March and December (UV index 1).
Average cloud cover in September
North River, NY
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
North River, NY
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are January, February, March, August and September (4mi).
North River, New York, USA
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