September weather forecast
Warren, PA

Weather in September

The first month of the autumn, September, is also an agreeable month in Warren, Pennsylvania, with an average temperature fluctuating between 50.7°F (10.4°C) and 70.3°F (21.3°C).

Temperature

In Warren, the average high-temperature in September marginally drops from a moderately hot 76.5°F (24.7°C) in August to a pleasant 70.3°F (21.3°C). In September, in Warren, the average low-temperature is 50.7°F (10.4°C).

Humidity

In September, the average relative humidity is 82%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.7 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm EDT.

Sunshine

In Warren, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Warren?

In Warren, the average relative humidity in September is 82%.

What is the driest month in Warren?

The month with the least rainfall is September, when the rain falls for 14.7 days and typically collects 1.77" (45mm) of precipitation.

How many days does it rain in September in Warren?

In Warren, Pennsylvania, in September, during 14.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Warren?

In Warren, Pennsylvania, snow does not fall in June through September.

Does it snow in Warren in September?

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

What is the average length of the day in September in Warren?

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

What time are sunrise and sunset in September in Warren?

On the first day of September in Warren, Pennsylvania, sunrise is at 6:42 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:00 pm EDT.

How many hours of sunshine does Warren have in September?

The average sunshine duration in September in Warren is 8h.

How high is the UV index in September in Warren?

In September, the average daily maximum UV index in Warren is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in September
Warren, PA

Average temperature in September - Warren, PA
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in September: 50.7°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in September
Warren, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Warren, PA

Average wind speed in September - Warren, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Warren, PA

Average humidity in September - Warren, PA
  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in September
Warren, PA

Average rainfall in September - Warren, PA
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Warren, PA

Average rainfall days in September - Warren, PA
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Warren, PA

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

The month with the highest snowfall is December (9.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Warren, PA

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

The month with the highest number of snowfall days is January (22.4 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
Warren, PA

Average daylight in September / Average sunshine in September - Warren, PA
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 9.6h).
The month with the least sunshine is January (Average sunshine: 2.1h).

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Average sunshine days in September
Warren, PA

Average sunshine days in September - Warren, PA
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (4.3 days).

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Average UV index in September
Warren, PA

Average UV index in September - Warren, PA
  • Average UV index in September: 3

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

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Average cloud cover in September
Warren, PA

Average cloud cover in September - Warren, PA
  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 41).

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Average visibility in September
Warren, PA

Average visibility in September - Warren, PA
  • Average visibility in September: 4mi

The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).

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