September weather forecast
Stockdale, PA

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Weather in September

September, the first month of the autumn in Stockdale, is still a warm month, with an average temperature varying between 75.4°F (24.1°C) and 55°F (12.8°C).

Temperature

In September, the average high-temperature marginally decreases from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). Stockdale records a mean low-temperature of 55°F (12.8°C) in September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Stockdale, in September, during 14.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 191.3 rainfall days, and 35.24" (895mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Stockdale, the average length of the day in September is 12h and 26min.
On the first day of September, 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.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Stockdale in September?

An average high-temperature, in September, in Stockdale, is 75.4°F (24.1°C) and the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°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 Stockdale, during September, the rain falls for 14.3 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Stockdale have in September?

In Stockdale, the average day length in September is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, 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 long on average sun shines in September?

In Stockdale, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In Stockdale, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes 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
Stockdale, PA

Average temperature in September - Stockdale, PA
  • Average high temperature in September: 75.4°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 (34°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in September
Stockdale, PA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Stockdale, PA

Average wind speed in September - Stockdale, PA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Stockdale, PA

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

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Stockdale, PA

Average rainfall in September - Stockdale, PA
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in September
Stockdale, PA

Average rainfall days in September - Stockdale, PA
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in September
Stockdale, PA

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

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Stockdale, PA

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

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Stockdale, 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 24min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Stockdale, PA

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

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in September
Stockdale, PA

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

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Stockdale, PA

Average cloud cover in September - Stockdale, PA
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Stockdale, PA

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

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

Stockdale, Pennsylvania, USA

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