September weather forecastMontoma, NY
September
Weather in September
September, the first month of the autumn in Montoma, is also an agreeable month, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 72.7°F (22.6°C).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a warm 80.1°F (26.7°C) in August to a pleasant 72.7°F (22.6°C). Montoma experiences an average nighttime temperature of 51.8°F (11°C) in the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Montoma, snow does not fall in June through September.Daylight
In September, the average length of the day in Montoma is 12h and 28min.On the first day of September, sunrise is at 6:22 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in Montoma is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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
Montoma, NY
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Montoma, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Montoma, NY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Montoma, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (82%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Montoma, NY
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Montoma, NY
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Montoma, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Montoma, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Montoma, 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: 9h and 0min
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 18min).
Average sunshine days in September
Montoma, NY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Montoma, NY
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Montoma, NY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Montoma, NY
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





