September weather forecast
Schuylkill Haven, PA

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Weather in September

September, the first month of the autumn in Schuylkill Haven, is still a pleasant month, with an average temperature fluctuating between 73.2°F (22.9°C) and 53.8°F (12.1°C).

Temperature

Schuylkill Haven in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 79.7°F (26.5°C) to an agreeable 73.2°F (22.9°C). The average temperature drops to a cool 53.8°F (12.1°C) during the night in the month of September.

Humidity

In September, the average relative humidity is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

In Schuylkill Haven, snow does not fall in June through September.

Daylight

In Schuylkill Haven, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 73.2°F (22.9°C) and 53.8°F (12.1°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 10.6 days and typically collects 1.26" (32mm) of precipitation.

How many days does it rain in September?

In Schuylkill Haven, during September, the rain falls for 10.6 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow?

In Schuylkill Haven, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Schuylkill Haven have in September?

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

When is the sunrise / sunset in September in Schuylkill Haven?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

How many hours of sunshine does Schuylkill Haven have in September?

In September, the average sunshine duration is 8.9h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index 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
Schuylkill Haven, PA

Average temperature in September - Schuylkill Haven, PA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
Schuylkill Haven, PA

Average pressure in September - Schuylkill Haven, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Schuylkill Haven, PA

Average wind speed in September - Schuylkill Haven, PA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Schuylkill Haven, PA

Average humidity in September - Schuylkill Haven, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in September
Schuylkill Haven, PA

Average rainfall in September - Schuylkill Haven, PA
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in September
Schuylkill Haven, PA

Average rainfall days in September - Schuylkill Haven, PA
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Schuylkill Haven, PA

Average snowfall in September - Schuylkill Haven, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Schuylkill Haven, PA

Average snowfall days in September - Schuylkill Haven, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Schuylkill Haven, PA

Average daylight in September / Average sunshine in September - Schuylkill Haven, PA
  • Average daylight in September: 12h and 3min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).

Average sunshine days in September
Schuylkill Haven, PA

Average sunshine days in September - Schuylkill Haven, PA
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in September
Schuylkill Haven, PA

Average UV index in September - Schuylkill Haven, PA
  • Average UV index in September: 4

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

Average cloud cover in September
Schuylkill Haven, PA

Average cloud cover in September - Schuylkill Haven, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Schuylkill Haven, PA

Average visibility in September - Schuylkill Haven, PA
  • Average visibility in September: 5mi

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

Schuylkill Haven, Pennsylvania, USA

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