September weather forecast
Matamoras, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Matamoras, Pennsylvania, with an average temperature fluctuating between 52.7°F (11.5°C) and 73°F (22.8°C).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 80.1°F (26.7°C) to a pleasant 73°F (22.8°C). An average low-temperature of 52.7°F (11.5°C) is common during the nights of September.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Matamoras, Pennsylvania, in September, it is raining for 11.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 150.5 rainfall days, and 19.37" (492mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Matamoras, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:41 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Matamoras?

The average high-temperature, in September, in Matamoras, is 73°F (22.8°C), while the average low-temperature is 52.7°F (11.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In September, the rain falls for 11.5 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September in Matamoras?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:41 pm EDT.

How many hours of sunshine does Matamoras have in September?

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

What is the UV index reading in September in Matamoras?

The average daily maximum UV index in September in Matamoras is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Matamoras, PA

Average temperature in September - Matamoras, PA
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Matamoras, PA

Average pressure in September - Matamoras, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Matamoras, PA

Average wind speed in September - Matamoras, PA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Matamoras, PA

Average humidity in September - Matamoras, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in September
Matamoras, PA

Average rainfall in September - Matamoras, PA
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in September
Matamoras, PA

Average rainfall days in September - Matamoras, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).

Average snowfall in September
Matamoras, PA

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

The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Matamoras, PA

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

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Matamoras, 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 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Matamoras, PA

Average sunshine days in September - Matamoras, PA
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).

Average UV index in September
Matamoras, PA

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Matamoras, PA

Average cloud cover in September - Matamoras, PA
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in September
Matamoras, PA

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

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

Matamoras, Pennsylvania, USA

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