September weather forecastSeverance, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Severance, New York, with an average temperature fluctuating between 70°F (21.1°C) and 49.1°F (9.5°C).Temperature
September heralds a minor drop in average high-temperature, sliding from August's moderately hot 77.7°F (25.4°C) to a pleasant 70°F (21.1°C). In Severance, the average low-temperature during the month of September is a frosty 49.1°F (9.5°C).Humidity
The average relative humidity in September in Severance is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.34" (34mm) of precipitation.Snowfall
In Severance, snow does not fall in June through September.Daylight
In Severance, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:30 pm. On the last day of September, in Severance, sunrise is at 6:52 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Severance, NY
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Severance, 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
Severance, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Severance, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Severance, NY
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
Severance, NY
- Average rainfall days in September: 11.3 days
The months with the highest number of rainy days are April and June (17.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in September
Severance, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Severance, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Severance, NY
- Average daylight in September: 12h and 30min
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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Severance, NY
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in September
Severance, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Severance, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in September
Severance, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
