September weather forecastPort Jervis, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Port Jervis, New York, with an average temperature varying between 52.7°F (11.5°C) and 73°F (22.8°C).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a warm 80.1°F (26.7°C) in August to a pleasant 73°F (22.8°C). Throughout the month of September, Port Jervis observes an average nighttime temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in September in Port Jervis is 79%.Rainfall
In Port Jervis, during September, the rain falls for 11.5 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Port Jervis, during the entire year, the rain falls for 150.5 days and collects up to 19.37" (492mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Port Jervis, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Port Jervis, NY
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Port Jervis, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Port Jervis, NY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Port Jervis, NY
- Average humidity in September: 79%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Port Jervis, NY
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Port Jervis, NY
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in September
Port Jervis, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Port Jervis, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port Jervis, NY
- Average daylight in September: 12h and 30min
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 12min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Port Jervis, NY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in September
Port Jervis, NY
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Port Jervis, NY
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Port Jervis, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
