September weather forecastNorth Blenheim, NY
September
Weather in September
September, the first month of the autumn in North Blenheim, is also an agreeable month, with an average temperature varying between 48.6°F (9.2°C) and 69.4°F (20.8°C).Temperature
North Blenheim's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 76.1°F (24.5°C) in August to a pleasant 69.4°F (20.8°C). September in North Blenheim sees the temperature falling to a mean low of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In North Blenheim, during the entire year, the rain falls for 170.7 days and collects up to 33.62" (854mm) of precipitation.Snowfall
In North Blenheim, 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 September, sunrise is at 6:23 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Blenheim, NY
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
North Blenheim, NY
- Average pressure in September: 30.06"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
North Blenheim, NY
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
North Blenheim, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
North Blenheim, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (3.74").
The driest months (with the least rainfall) are January and February (2.13").
Average rainfall days in September
North Blenheim, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
North Blenheim, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North Blenheim, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 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 Blenheim, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
North Blenheim, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
North Blenheim, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
North Blenheim, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
North Blenheim, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





