September weather forecast
Highland Falls, NY

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Weather in September

The first month of the autumn, September, is still a warm month in Highland Falls, New York, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 74.3°F (23.5°C).

Temperature

With the commencement of September, Highland Falls records a moderate temperature decline, with the average high easing from August's warm 82°F (27.8°C) to a still moderately hot 74.3°F (23.5°C). Throughout the month of September, the nighttime temperature in Highland Falls dips to an average of 54.9°F (12.7°C).

Humidity

In Highland Falls, the average relative humidity in September is 78%.

Rainfall

January and September are months with the least rain in Highland Falls when the rain falls for 12.7 days and typically aggregates up to 1.97" (50mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

In Highland Falls, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of September, in Highland Falls, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Highland Falls in September?

The average high-temperature, in September, in Highland Falls, is 74.3°F (23.5°C), while the average low-temperature is 54.9°F (12.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

What is the driest month?

The months with the least rainfall are January and September Rain falls for 12.7 days and accumulates 1.97" (50mm) of rain.

How much does it rain in September?

In Highland Falls, in September, during 12.7 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Highland Falls have in September?

In September, the average day length is 12h and 28min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How long on average sun shines in September in Highland Falls?

In Highland Falls, New York, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Highland Falls?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Highland Falls, NY

Average temperature in September - Highland Falls, NY
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in September
Highland Falls, NY

Average pressure in September - Highland Falls, 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
Highland Falls, NY

Average wind speed in September - Highland Falls, NY
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Highland Falls, NY

Average humidity in September - Highland Falls, NY
  • Average humidity in September: 78%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Highland Falls, NY

Average rainfall in September - Highland Falls, NY
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is December (3.23").
The driest months (with the least rainfall) are January and September (1.97").

Average rainfall days in September
Highland Falls, NY

Average rainfall days in September - Highland Falls, NY
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Highland Falls, NY

Average snowfall in September - Highland Falls, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Highland Falls, NY

Average snowfall days in September - Highland Falls, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Highland Falls, NY

Average daylight in September / Average sunshine in September - Highland Falls, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Highland Falls, NY

Average sunshine days in September - Highland Falls, NY
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in September
Highland Falls, NY

Average UV index in September - Highland Falls, NY
  • Average UV index in September: 4

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

Average cloud cover in September
Highland Falls, NY

Average cloud cover in September - Highland Falls, NY
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Highland Falls, NY

Average visibility in September - Highland Falls, NY
  • Average visibility in September: 5mi

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

Highland Falls, New York, USA

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