September weather forecast
Willowmere, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Willowmere, Pennsylvania, with an average temperature varying between 76.1°F (24.5°C) and 59.9°F (15.5°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 83.3°F (28.5°C) to a still warm 76.1°F (24.5°C). An average low-temperature of 59.9°F (15.5°C) is recorded during the nights in September in Willowmere.

Humidity

In Willowmere, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

In Willowmere, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

Sunshine

In Willowmere, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September in Willowmere, Pennsylvania, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Willowmere in September?

The average high-temperature, in September, in Willowmere, is 76.1°F (24.5°C), while the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in September?

In September, in Willowmere, the rain falls for 10.1 days. Throughout September, 0.75" (19mm) of precipitation is accumulated.

When it does not snow in Willowmere?

In Willowmere, snow does not fall in May through October.

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

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

How long on average sun shines in September?

In Willowmere, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Willowmere, PA

Average temperature in September - Willowmere, PA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in September
Willowmere, PA

Average pressure in September - Willowmere, PA
  • Average pressure in September: 30.05"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
Willowmere, PA

Average wind speed in September - Willowmere, PA
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
Willowmere, PA

Average humidity in September - Willowmere, PA
  • Average humidity in September: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in September
Willowmere, PA

Average rainfall in September - Willowmere, PA
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in September
Willowmere, PA

Average rainfall days in September - Willowmere, PA
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in September
Willowmere, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Willowmere, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Willowmere, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Willowmere, PA

Average sunshine days in September - Willowmere, PA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in September
Willowmere, PA

Average UV index in September - Willowmere, PA
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (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
Willowmere, PA

Average cloud cover in September - Willowmere, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in September
Willowmere, PA

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

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

Willowmere, Pennsylvania, USA

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