September weather forecastEssex, NY
September
Weather in September
September, the first month of the autumn in Essex, is still a pleasant month, with an average temperature fluctuating between 49.1°F (9.5°C) and 69.3°F (20.7°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 77°F (25°C) in August to a pleasant 69.3°F (20.7°C). An average temperature of 49.1°F (9.5°C) is recorded in Essex during the nights in September.Humidity
The average relative humidity in September is 78%.Rainfall
The months with the least rainfall in Essex are January and September Rain falls for 7.8 days and accumulates 0.47" (12mm) of rain.Snowfall
In Essex, snow does not fall in June through September.Daylight
The average length of the day in September in Essex is 12h and 30min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:29 pm. On the last day of September, in Essex, sunrise is at 6:50 am and sunset at 6:35 pm EDT.
Sunshine
In Essex, the average sunshine in September is 9.1h.UV index
In Essex, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Essex, NY
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Essex, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Essex, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Essex, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Essex, NY
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is June (0.98").
The driest months (with the least rainfall) are January and September (0.47").
Average rainfall days in September
Essex, NY
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Essex, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Essex, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Essex, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Essex, NY
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is September (20.3 days).
The months with the least sunshine days are April and July (15.7 days).
Average UV index in September
Essex, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Essex, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Essex, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September, October and December (5mi).





