September weather forecast
Dormansville, NY

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Weather in September

September, the first month of the autumn in Dormansville, is still a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 51.1°F (10.6°C).

Temperature

Dormansville's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 79.3°F (26.3°C) in August to a pleasant 71.2°F (21.8°C). September generally records an average low-temperature of 51.1°F (10.6°C).

Humidity

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

Rainfall

In Dormansville, New York, during September, the rain falls for 11.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Dormansville, during the entire year, the rain falls for 153.2 days and collects up to 30" (762mm) of precipitation.

Snowfall

In Dormansville, snow does not fall in June through September.

Daylight

In Dormansville, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the average September temperature in Dormansville?

In September, in Dormansville, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 51.1°F (10.6°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in September in Dormansville?

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

How much does it rain in Dormansville in September?

In September, in Dormansville, New York, the rain falls for 11.5 days. Throughout September, 2.13" (54mm) of precipitation is accumulated.

When it does not snow in Dormansville?

In Dormansville, New York, snow does not fall in June through September.

Does it snow in Dormansville in September?

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

How many hours of daylight does Dormansville have in September?

The average day length in September in Dormansville is 12h and 29min.

What time are sunrise and sunset in September in Dormansville?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Dormansville have in September?

In September, the average sunshine duration in Dormansville, New York, is 8.9h.

What is the UV index reading in September in Dormansville?

In September, the average daily maximum UV index in Dormansville is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Dormansville, NY

Average temperature in September - Dormansville, NY
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in September
Dormansville, NY

Average pressure in September - Dormansville, NY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Dormansville, NY

Average wind speed in September - Dormansville, NY
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Dormansville, NY

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
Dormansville, NY

Average rainfall in September - Dormansville, NY
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in September
Dormansville, NY

Average rainfall days in September - Dormansville, NY
  • Average rainfall days in September: 11.5 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in September
Dormansville, NY

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

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Dormansville, NY

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

The months with the highest number of snowfall days are January and February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Dormansville, NY

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

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

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in September
Dormansville, NY

Average sunshine days in September - Dormansville, NY
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in September
Dormansville, NY

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

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

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Average cloud cover in September
Dormansville, NY

Average cloud cover in September - Dormansville, NY
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in September
Dormansville, NY

Average visibility in September - Dormansville, NY
  • Average visibility in September: 5mi

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

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Dormansville, New York, USA

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