September weather forecast
Harwick, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Harwick, Pennsylvania, with an average temperature fluctuating between 74.8°F (23.8°C) and 54.7°F (12.6°C).

Temperature

In the transition to September, Harwick observes a minor drop in the average high-temperature, shifting from a moderately hot 81.3°F (27.4°C) in August to a still warm 74.8°F (23.8°C). During September, the temperature is averaged to a low of 54.7°F (12.6°C) at night.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Harwick, Pennsylvania, in September, during 14.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 185.5 rainfall days, and 35.59" (904mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In Harwick, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Harwick, is 74.8°F (23.8°C) and the average low-temperature is 54.7°F (12.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

How many days does it rain in September?

In Harwick, in September, it is raining for 14.1 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Harwick have in September?

In Harwick, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

How many hours of sunshine does Harwick have in September?

In September, the average sunshine duration in Harwick is 8.5h.

What is the UV index intensity in September?

In Harwick, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Harwick, PA

Average temperature in September - Harwick, PA
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in September
Harwick, PA

Average pressure in September - Harwick, PA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Harwick, PA

Average wind speed in September - Harwick, PA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Harwick, PA

Average humidity in September - Harwick, PA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in September
Harwick, PA

Average rainfall in September - Harwick, PA
  • Average rainfall in September: 2.56"

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in September
Harwick, PA

Average rainfall days in September - Harwick, PA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in September
Harwick, PA

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

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Harwick, PA

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

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Harwick, PA

Average daylight in September / Average sunshine in September - Harwick, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Harwick, PA

Average sunshine days in September - Harwick, PA
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in September
Harwick, PA

Average UV index in September - Harwick, PA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Harwick, PA

Average cloud cover in September - Harwick, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Harwick, PA

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

The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).

Harwick, Pennsylvania, USA

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