September weather - Autumn 2024

Weather in September
Frequently asked questions
Average temperature in September
Average pressure in September
Average wind speed in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average snowfall in September
Average snowfall days in September
Average daylight in September
Average sunshine in September
Average sunshine days in September
Average UV index in September
Average cloud cover in September
Average visibility in September

The cityscape of the scenic Wilkes - Barre, Pennsylvania

Weather in September

In September, Wilkes-Barre starts witnessing early signs of autumn, with temperatures dropping to an average high of 71.4°F (21.9°C). The noteworthy decrease in rainfall to 0.71" (18mm), the lowest of the year, marks a shift in weather patterns. The daylight hours continue to decrease, however, the city remains illuminated for more than 12 hours a day, aiding in outdoor activities. With changing weather, the city also sees a transformation in its color palette, with leaves turning to shades of yellow, orange and red. The approach of fall through September is a delightful spectacle, with the swift weather changes reflecting the beauty of changing seasons.

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 78.3°F (25.7°C) in August to an agreeable 71.4°F (21.9°C). September's nights in Wilkes-Barre observe an average temperature of 51.6°F (10.9°C).

Humidity

In Wilkes-Barre, the average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

In Wilkes-Barre, snow does not fall in June through September.

Daylight

In September, the average length of the day in Wilkes-Barre is 12h and 28min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:35 pm. On the last day of September, in Wilkes-Barre, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

Sunshine

In Wilkes-Barre, the average sunshine in September is 8.6h.

UV index

In Wilkes-Barre, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

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Frequently asked questions

What is the average September temperature in Wilkes-Barre?

In Wilkes-Barre, 71.4°F (21.9°C) is the average high-temperature and 51.6°F (10.9°C) is the average low-temperature during September. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Wilkes-Barre?

In Wilkes-Barre, Pennsylvania, the average relative humidity in September is 80%.

What is the driest month in Wilkes-Barre?

The month with the least rainfall in Wilkes-Barre is September, when the rain falls for 9.9 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in September in Wilkes-Barre?

In September, in Wilkes-Barre, the rain falls for 9.9 days. Throughout September, 0.71" (18mm) of precipitation is accumulated.

When it does not snow in Wilkes-Barre?

June through September are months without snowfall in Wilkes-Barre.

Does it snow in Wilkes-Barre in September?

In Wilkes-Barre, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Wilkes-Barre?

In September, the average day length in Wilkes-Barre, Pennsylvania, is 12h and 28min.

What time are sunrise and sunset in September in Wilkes-Barre?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:35 pm. On the last day of the month, in Wilkes-Barre, Pennsylvania, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

How many hours of sunshine does Wilkes-Barre have in September?

In September, the average sunshine duration in Wilkes-Barre, Pennsylvania, is 8.6h.

How high is the UV index in September in Wilkes-Barre?

In Wilkes-Barre, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

78.3°F 25.7°C

71.4°F 21.9°C

59°F 15°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.7mph 9.2km/h

6mph 9.7km/h

7.4mph 11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.8

14.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Wilkes-Barre, PA

Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

Average low temperature in September: 51.6°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in September
Wilkes-Barre, PA

Average pressure in September: 30.07"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).

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Average wind speed in September
Wilkes-Barre, PA

Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Wilkes-Barre, PA

Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Wilkes-Barre, PA

Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in September
Wilkes-Barre, PA

Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
Wilkes-Barre, PA

Average snowfall in September: 0"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wilkes-Barre, PA

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Wilkes-Barre, PA

Average daylight in September: 12h and 3min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

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Average sunshine days in September
Wilkes-Barre, PA

Average sunshine days in September: 16.8 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).

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Average UV index in September
Wilkes-Barre, PA

Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Wilkes-Barre, PA

Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in September
Wilkes-Barre, PA

Average visibility in September: 5mi

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

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September weather forecast
Wilkes-Barre, PA

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