September weather forecast and climate
Rifton, NY

The first month of the autumn, September, is still a warm month in Rifton, New York, with average temperature ranging between min 52.7°F (11.5°C) and max 73.4°F (23°C).

Temperature

In September, the average high-temperature marginally drops, from 81.1°F (27.3°C) in August, to a still moderately hot 73.4°F (23°C). In September, in Rifton, the average low-temperature is 52.7°F (11.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.3 days and typically collects 1.3" (33mm) of precipitation.

Snowfall

In Rifton snow does not fall in June through September.

Daylight

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

Sunshine

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

UV index

In Rifton, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Rifton?

The average high-temperature, in September, in Rifton, is 73.4°F (23°C), while the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Rifton?

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

How many days does it rain in September in Rifton?

In Rifton, New York, in September, it is raining for 11.3 days, with typically 1.3" (33mm) of accumulated precipitation.

What is the driest month in Rifton?

September is the month with the least rainfall in Rifton, New York. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

Does it snow in Rifton in September?

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

When it does not snow in Rifton?

June through September are months without snowfall in Rifton, New York.

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

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

How long on average sun shines in September in Rifton?

The average sunshine in September in Rifton, New York, is 8.9h.

What is the UV index intensity in September in Rifton?

In September, the average daily maximum UV index in Rifton, New York, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Rifton, NY
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (0°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 (-7.2°C).

Average pressure in September - Rifton, NY
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in September - Rifton, NY
  • Average wind speed in September: 7.7km/h

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September - Rifton, NY
  • Average humidity in September: 78%

Months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September - Rifton, NY
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is October (60mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in September - Rifton, NY
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

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

The month with the highest snowfall is February (105mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

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

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average sunshine days in September - Rifton, NY
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

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

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

Average cloud cover in September - Rifton, NY
  • Average cloud cover in September: 37

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

Average visibility in September - Rifton, NY
  • Average visibility in September: 8km

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