Walden
New York, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Walden, NY

September, the first month of the autumn, in Walden, is also an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 53.2°F (11.8°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 80.8°F (27.1°C) in August, to an agreeable 73°F (22.8°C). In Walden, the average low-temperature is 53.2°F (11.8°C).

Humidity

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

Rainfall

In Walden, it is raining for 11.8 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Walden, there are 153.6 rainfall days, and 29.53" (750mm) of precipitation is accumulated.

Snowfall

In Walden snow does not fall in June through September.

Daylight

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

Sunshine

The average sunshine in September is 8.7h.

UV index

In Walden, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Walden?

In Walden, in September, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in September in Walden?

The average relative humidity in September in Walden, New York, is 79%.

How many days does it rain in September in Walden?

In September, in Walden, the rain falls for 11.8 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

Does it snow in Walden in September?

In Walden, New York, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Walden?

June through September are months without snowfall in Walden.

How many hours of daylight does Walden have in September?

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

How many hours of sunshine does Walden have in September?

In September, the average sunshine in Walden, New York, is 8.7h.

What is the UV index reading in September in Walden?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Walden, NY
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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

Months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September - Walden, NY
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the lowest rainfall) is January (1.85").

Average rainfall days in September - Walden, NY
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the lowest number of rainy days is January (8.4 days).

Average snowfall in September - Walden, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.61").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is February (9.3 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.7h

The month with most sunshine is July (Average sunshine: 10.4h).
The month with least sunshine is February (Average sunshine: 4.5h).

Average UV index in September - Walden, NY
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).