September weather forecast
Paris, PA

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Weather in September

September, the first month of the autumn in Paris, is still a warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 55°F (12.8°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from 81.9°F (27.7°C) in August to a still moderately hot 75.2°F (24°C). In September, Paris's temperature tends to fall to an average low of 55°F (12.8°C) during the night.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Paris, during September, the rain falls for 14.9 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Paris, during the entire year, the rain falls for 175.9 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:05 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In Paris, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What is the temperature in September?

During September, Paris experiences an average high-temperature of 75.2°F (24°C) and a low-temperature of 55°F (12.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In September, in Paris, Pennsylvania, the rain falls for 14.9 days. Throughout September, 2.4" (61mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In Paris, Pennsylvania, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:05 pm EDT.

How many hours of sunshine does Paris have in September?

The average sunshine duration in September in Paris is 8.2h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Paris, PA

Average temperature in September - Paris, PA
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in September
Paris, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Paris, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Paris, PA

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

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September
Paris, PA

Average rainfall in September - Paris, PA
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in September
Paris, PA

Average rainfall days in September - Paris, PA
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in September
Paris, PA

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

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Paris, PA

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

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Paris, 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 18min).

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Paris, PA

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

The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).

Average UV index in September
Paris, PA

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Paris, PA

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

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Paris, PA

Average visibility in September - Paris, PA
  • Average visibility in September: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

Paris, Pennsylvania, USA

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