September weather forecast and climate
Gorham, NY

The first month of the autumn, September, is still a pleasant month in Gorham, New York, with average temperature ranging between min 52.7°F (11.5°C) and max 71.2°F (21.8°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 77.9°F (25.5°C) in August, to an agreeable 71.2°F (21.8°C). In September, the average low-temperature is 52.7°F (11.5°C).

Humidity

The average relative humidity in Gorham is 79%.

Rainfall

In September, in Gorham, the rain falls for 13.8 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 22.48" (571mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In Gorham, the average sunshine is 9h.

UV index

The average daily maximum UV index in Gorham, New York, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Gorham?

In Gorham, New York, in September, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Gorham?

In September, the average relative humidity in Gorham, New York, is 79%.

How many days does it rain in September in Gorham?

In September, the rain falls for 13.8 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

Does it snow in Gorham in September?

In Gorham, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Gorham?

June through September are months without snowfall.

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

The average length of the day in September in Gorham, New York, is 12.5h.

How long on average sun shines in September in Gorham?

In Gorham, New York, the average sunshine in September is 9h.

How high is the UV index in September in Gorham?

In Gorham, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Gorham, NY
  • Average high temperature in September: 21.8°C

The warmest month (with the highest average high temperature) is July (26.4°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).

Average pressure in September - Gorham, NY
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

Average wind speed in September - Gorham, NY
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).

Average humidity in September - Gorham, NY
  • Average humidity in September: 79%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September - Gorham, NY
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is October (67mm).
The driest month (with the least rainfall) is January (29mm).

Average rainfall days in September - Gorham, NY
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in September - Gorham, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (121mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Gorham, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Gorham, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 2.7h).

Average sunshine days in September - Gorham, NY
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.5 days).

Average UV index in September - Gorham, NY
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September - Gorham, NY
  • Average cloud cover in September: 35

Months with the most cloud cover are January and February (Cloud cover 72).
Months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in September - Gorham, NY
  • Average visibility in September: 9km

Months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February and March (8km).