September weather forecast
Clayville, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Clayville, New York, with an average temperature ranging between min 50.9°F (10.5°C) and max 69.8°F (21°C).

Temperature

Clayville in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 76.1°F (24.5°C) to an agreeable 69.8°F (21°C). Throughout September, Clayville anticipates an average low-temperature of 50.9°F (10.5°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In Clayville, in September, it is raining for 13.1 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Clayville, New York, there are 148.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Clayville, New York, is 12h and 29min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:35 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:43 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Clayville in September?

The high-temperature, in September, in Clayville, records 69.8°F (21°C), while the low-temperature is 50.9°F (10.5°C).

What is the average humidity in September in Clayville?

The average relative humidity in September is 80%.

How many days does it rain in September in Clayville?

In Clayville, New York, during September, the rain falls for 13.1 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Clayville?

June through September are months without snowfall in Clayville.

Does it snow in Clayville in September?

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

How many hours of daylight does Clayville have in September?

The average day length in September in Clayville, New York, is 12h and 29min.

When is the sunrise / sunset in September in Clayville?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:35 pm. On the last day of the month, in Clayville, sunrise is at 6:57 am and sunset at 6:43 pm EDT.

How many hours of sunshine does Clayville have in September?

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

What is the UV index intensity in September in Clayville?

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Clayville, NY

Average temperature in September - Clayville, NY
  • Average high temperature in September: 69.8°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in September
Clayville, NY

Average pressure in September - Clayville, 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).

Average wind speed in September
Clayville, NY

Average wind speed in September - Clayville, NY
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in September
Clayville, NY

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

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (78%).

Average rainfall in September
Clayville, NY

Average rainfall in September - Clayville, NY
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in September
Clayville, NY

Average rainfall days in September - Clayville, NY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in September
Clayville, NY

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

The month with the highest snowfall is February (7.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Clayville, NY

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

The month with the highest number of snowfall days is February (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in September
Clayville, NY

Average sunshine days in September - Clayville, NY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in September
Clayville, NY

Average UV index in September - Clayville, 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).

Average cloud cover in September
Clayville, NY

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

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Clayville, NY

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

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

Clayville, New York, USA

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