September weather forecast
Quinlantown, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Quinlantown, Pennsylvania, with an average temperature fluctuating between 50°F (10°C) and 70.3°F (21.3°C).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 77.2°F (25.1°C) to a pleasant 70.3°F (21.3°C). Quinlantown experiences an average nighttime temperature of 50°F (10°C) in the month of September.

Humidity

The average relative humidity in September in Quinlantown is 81%.

Rainfall

In September, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Quinlantown, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

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

Daylight

In Quinlantown, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Quinlantown?

The average high-temperature and low-temperature in Quinlantown during September are 70.3°F (21.3°C) and 50°F (10°C) respectively.

What is the average humidity in September in Quinlantown?

In September, the average relative humidity is 81%.

How many days does it rain in September in Quinlantown?

In Quinlantown, in September, it is raining for 13.7 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Quinlantown?

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

Does it snow in Quinlantown in September?

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

How many hours of daylight does Quinlantown have in September?

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

When are sunrise and sunset in September in Quinlantown?

On the first day of September in Quinlantown, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Quinlantown have in September?

In Quinlantown, Pennsylvania, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Quinlantown?

In September, the average daily maximum UV index in Quinlantown is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Quinlantown, PA

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

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in September
Quinlantown, PA

Average pressure in September - Quinlantown, 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).

Average wind speed in September
Quinlantown, PA

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Quinlantown, PA

Average humidity in September - Quinlantown, PA
  • Average humidity in September: 81%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Quinlantown, PA

Average rainfall in September - Quinlantown, PA
  • Average rainfall in September: 2.24"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in September
Quinlantown, PA

Average rainfall days in September - Quinlantown, PA
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Quinlantown, PA

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

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Quinlantown, PA

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

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Quinlantown, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Quinlantown, PA

Average sunshine days in September - Quinlantown, PA
  • Average sunshine days in September: 14 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in September
Quinlantown, PA

Average UV index in September - Quinlantown, 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 and December (UV index 1).

Average cloud cover in September
Quinlantown, PA

Average cloud cover in September - Quinlantown, PA
  • Average cloud cover in September: 44

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in September
Quinlantown, PA

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

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

Quinlantown, Pennsylvania, USA

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