September weather forecast and climate
Hermon, NY

September, the first month of the autumn, in Hermon, is also an agreeable month, with average temperature fluctuating between 50.9°F (10.5°C) and 69.1°F (20.6°C).

Temperature

In Hermon, the average high-temperature in September slightly decreases, from a moderately hot 75.4°F (24.1°C) in August, to a pleasant 69.1°F (20.6°C). In Hermon, the average low-temperature is 50.9°F (10.5°C).

Humidity

In September, the average relative humidity in Hermon is 79%.

Rainfall

The month with the least rainfall is September when the rain falls for 7 days and typically collects 0.28" (7mm) of precipitation.

Snowfall

In Hermon snow does not fall in June through October.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine in Hermon is 8.9h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Hermon?

In Hermon, New York, in September, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in September in Hermon?

In Hermon, the average relative humidity in September is 79%.

How much does it rain in Hermon in September?

In Hermon, New York, in September, during 7 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

What is the driest month in Hermon?

September is the month with the least rainfall in Hermon, New York. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.

When it does not snow in Hermon?

In Hermon, New York, snow does not fall in June through October.

What is the average length of the day in September in Hermon?

In Hermon, the average length of the day in September is 12.5h.

How long on average sun shines in September in Hermon?

The average sunshine in September in Hermon is 8.9h.

How high is the UV index in September in Hermon?

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
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"

The month with the highest atmospheric pressure is November (30.07").
The month with the lowest atmospheric pressure is June (29.91").

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%

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").
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).
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: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.1h).
Months with the least sunshine are January and February (Average sunshine: 2.7).

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

Months with the highest UV index are June, July and August (UV index 5).
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

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

Months with the highest visibility are April, May, September, October and November (6mi).
Months with the lowest visibility are January, February, March, June, July, August and December (5mi).