September weather forecastSmithboro, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Smithboro, New York, with an average temperature varying between 70.9°F (21.6°C) and 50.2°F (10.1°C).Temperature
The average high-temperature shows a slight dip in September, from August's moderately hot 77.9°F (25.5°C) to a pleasant 70.9°F (21.6°C). An average minimum temperature of 50.2°F (10.1°C) marks the month of September.Humidity
In Smithboro, the average relative humidity in September is 80%.Rainfall
In Smithboro, in September, it is raining for 12.3 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 159.5 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
In Smithboro, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September in Smithboro, sunrise is at 6:31 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine in Smithboro, New York, is 8.4h.UV index
In Smithboro, New York, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smithboro, NY
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Smithboro, 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
Smithboro, NY
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Smithboro, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in September
Smithboro, NY
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Smithboro, NY
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Smithboro, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smithboro, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smithboro, 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 12min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Smithboro, NY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Smithboro, 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 January and December (UV index 1).
Average cloud cover in September
Smithboro, NY
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Smithboro, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





