September weather forecast
South Connellsville, PA

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Weather in September

The first month of the autumn, September, is still a warm month in South Connellsville, Pennsylvania, with an average temperature fluctuating between 54°F (12.2°C) and 74.5°F (23.6°C).

Temperature

With the onset of September, South Connellsville's climate undergoes a slight change as the average high-temperature moves from 80.4°F (26.9°C) in August to a still warm 74.5°F (23.6°C). An average nighttime temperature of 54°F (12.2°C) is recorded during September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

September and November are months with the least rain in South Connellsville when the rain falls for 11.5 days and typically aggregates up to 0.91" (23mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:01 pm EDT.

Sunshine

In South Connellsville, the average sunshine in September is 8.6h.

UV index

In South Connellsville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What are the temperatures in September?

In September, the average high-temperature and low-temperature are 74.5°F (23.6°C) and 54°F (12.2°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

What is the driest month?

The months with the least rainfall are September and November Rain falls for 11.5 days and accumulates 0.91" (23mm) of rain.

How many days does it rain in September?

In South Connellsville, in September, during 11.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow?

In South Connellsville, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does South Connellsville have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:46 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm EDT.

How many hours of sunshine does South Connellsville have in September?

The average sunshine duration in September is 8.6h.

How high is the UV index in September?

In South Connellsville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
South Connellsville, PA

Average temperature in September - South Connellsville, PA
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in September
South Connellsville, PA

Average pressure in September - South Connellsville, PA
  • Average pressure in September: 30.06"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
South Connellsville, PA

Average wind speed in September - South Connellsville, PA
  • Average wind speed in September: 5.3mph

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

Average humidity in September
South Connellsville, PA

Average humidity in September - South Connellsville, PA
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in September
South Connellsville, PA

Average rainfall in September - South Connellsville, PA
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").

Average rainfall days in September
South Connellsville, PA

Average rainfall days in September - South Connellsville, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
South Connellsville, PA

Average snowfall in September - South Connellsville, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
South Connellsville, PA

Average snowfall days in September - South Connellsville, 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).

Average daylight in September /
Average sunshine in September
South Connellsville, PA

Average daylight in September / Average sunshine in September - South Connellsville, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
South Connellsville, PA

Average sunshine days in September - South Connellsville, PA
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).

Average UV index in September
South Connellsville, PA

Average UV index in September - South Connellsville, PA
  • Average UV index in September: 4

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

Average cloud cover in September
South Connellsville, PA

Average cloud cover in September - South Connellsville, PA
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
South Connellsville, PA

Average visibility in September - South Connellsville, PA
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).

South Connellsville, Pennsylvania, USA

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