Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 69.1°F (20.6°C) from a warm 75.4°F (24.1°C). Hermon observes an average low-temperature of 50.9°F (10.5°C) during September nights.Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.Snowfall
June through October are months without snowfall in Hermon.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:24 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Hermon in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Hermon have in September?
What is the UV index reading in September?
Average temperature in September
Hermon, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Hermon, NY
- Average pressure in September: 30.04"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
Hermon, NY
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Hermon, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Hermon, NY
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is October (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Hermon, NY
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Hermon, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Hermon, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hermon, NY
- Average daylight in September: 12h and 3min
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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Hermon, NY
- Average sunshine days in September: 21 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (16.5 days).
Average UV index in September
Hermon, NY
- Average UV index in September: 3
The months with the highest UV index are 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
Hermon, NY
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Hermon, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, September, October and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August and December (5mi).
Hermon, New York, USA
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