September weather forecastCorsica, PA

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Corsica, Pennsylvania, with an average temperature varying between 52.2°F (11.2°C) and 72.1°F (22.3°C).

Temperature

Corsica's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 78.6°F (25.9°C) to a pleasant 72.1°F (22.3°C). During September, Corsica records a consistent average nighttime temperature of 52.2°F (11.2°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In Corsica, in September, it is raining for 12.7 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 150.5 rainfall days, and 22.05" (560mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Corsica, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:44 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:59 pm EDT.

Sunshine

In Corsica, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 3 in September transforms into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 72.1°F (22.3°C) and the low-temperature is 52.2°F (11.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 86°F (30°C).

In Corsica, the average relative humidity in September is 80%.

In Corsica, in September, it is raining for 12.7 days, with typically 1.73" (44mm) of accumulated precipitation.

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

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

The average day length in September is 12h and 28min.

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:59 pm EDT.

In September, the average sunshine duration is 8.3h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

78.6°F

72.1°F

58.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.9mph

6.2mph

7.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.9

14.9

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Corsica, PA

Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (30.2°F).

Average low temperature in September: 52.2°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in September
Corsica, PA

Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Corsica, PA

Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Corsica, PA

Average humidity in September: 80%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in September
Corsica, PA

Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in September
Corsica, PA

Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in September
Corsica, 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").

Average snowfall days in September
Corsica, 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
Corsica, PA

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in September: 8h and 18min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).