September weather forecast
Leon, NY

Weather in September

September, the first month of the autumn in Leon, is also an agreeable month, with an average temperature fluctuating between 53.6°F (12°C) and 69.4°F (20.8°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 74.8°F (23.8°C) in August to an agreeable 69.4°F (20.8°C). The average low-temperature, is 53.6°F (12°C).

Humidity

September is the least humid month in Leon, New York, with an average relative humidity of 80%.

Rainfall

In Leon, during September, the rain falls for 16.9 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, in Leon, there are 170.3 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Leon, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm EDT.

Sunshine

In Leon, the average sunshine in September is 8.7h.

UV index

In Leon, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Leon?

In Leon, New York, in September, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 53.6°F (12°C).

What is the least humid month in Leon?

With an average relative humidity of 80%, September is the least humid month in Leon, New York.

What is the average humidity in September in Leon?

In Leon, New York, the average relative humidity in September is 80%.

How many days does it rain in September in Leon?

In Leon, in September, it is raining for 16.9 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow in Leon?

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

Does it snow in Leon in September?

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

How many hours of daylight does Leon have in September?

In Leon, New York, the average day length in September is 12h and 28min.

When are sunrise and sunset in September in Leon?

On the first day of September in Leon, New York, sunrise is at 6:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm EDT.

How long on average sun shines in September in Leon?

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

What is the UV index reading in September in Leon?

In September, the average daily maximum UV index in Leon, New York, 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Leon, NY

Average temperature in September - Leon, NY
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in September
Leon, NY

Average pressure in September - Leon, NY
  • Average pressure in September: 30.05"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).

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Average wind speed in September
Leon, NY

Average wind speed in September - Leon, NY
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in September
Leon, NY

Average humidity in September - Leon, NY
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).

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Average rainfall in September
Leon, NY

Average rainfall in September - Leon, NY
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in September
Leon, NY

Average rainfall days in September - Leon, NY
  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in September
Leon, NY

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

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

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Average snowfall days in September
Leon, NY

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

The month with the highest number of snowfall days is January (11.5 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
Leon, NY

Average daylight in September / Average sunshine in September - Leon, NY
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 9min).

  • Average sunshine in September: 8h and 42min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in September
Leon, NY

Average sunshine days in September - Leon, NY
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).

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Average UV index in September
Leon, NY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in September
Leon, NY

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

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Leon, NY

Average visibility in September - Leon, NY
  • Average visibility in September: 6mi

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

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