September weather forecast
Ulster, PA

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Weather in September

September, the first month of the autumn in Ulster, is still a pleasant month, with an average temperature fluctuating between 50.2°F (10.1°C) and 70.7°F (21.5°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 77.5°F (25.3°C) in August to an agreeable 70.7°F (21.5°C). During September, Ulster witnesses a consistent average low-temperature of 50.2°F (10.1°C).

Humidity

In September, the average relative humidity in Ulster is 81%.

Rainfall

In Ulster, during September, the rain falls for 13.1 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, in Ulster, Pennsylvania, there are 164.7 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Ulster.

Daylight

In September, the average length of the day in Ulster, Pennsylvania, is 12h and 28min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm EDT.

Sunshine

In September, the average sunshine in Ulster, Pennsylvania, is 8.4h.

UV index

The average daily maximum UV index in September in Ulster is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are September temperatures in Ulster?

During September, Ulster experiences an average high-temperature of 70.7°F (21.5°C) and a low-temperature of 50.2°F (10.1°C).

What is the average humidity in September in Ulster?

The average relative humidity in September is 81%.

How much does it rain in Ulster in September?

In Ulster, during September, the rain falls for 13.1 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Ulster?

June through September are months without snowfall in Ulster, Pennsylvania.

Does it snow in Ulster in September?

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

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

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

When are sunrise and sunset in September in Ulster?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:39 pm. On the last day of the month, in Ulster, sunrise is at 7:02 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Ulster have in September?

In Ulster, the average sunshine duration in September is 8.4h.

What is the UV index intensity in September in Ulster?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Ulster, PA

Average temperature in September - Ulster, PA
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in September
Ulster, PA

Average pressure in September - Ulster, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Ulster, PA

Average wind speed in September - Ulster, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Ulster, PA

Average humidity in September - Ulster, PA
  • Average humidity in September: 81%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (78%).

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Average rainfall in September
Ulster, PA

Average rainfall in September - Ulster, PA
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.38").

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Average rainfall days in September
Ulster, PA

Average rainfall days in September - Ulster, PA
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in September
Ulster, PA

Average snowfall in September - Ulster, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Ulster, PA

Average snowfall days in September - Ulster, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.9 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
Ulster, PA

Average daylight in September / Average sunshine in September - Ulster, PA
  • 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 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).

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Average sunshine days in September
Ulster, PA

Average sunshine days in September - Ulster, PA
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in September
Ulster, PA

Average UV index in September - Ulster, PA
  • Average UV index in September: 3

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

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Average cloud cover in September
Ulster, PA

Average cloud cover in September - Ulster, PA
  • Average cloud cover in September: 43

The months with the most cloud cover are January, February and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in September
Ulster, PA

Average visibility in September - Ulster, PA
  • Average visibility in September: 5mi

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

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Ulster, Pennsylvania, USA

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