September weather forecast
Wayne, PA

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Weather in September

September, the first month of the autumn in Wayne, is also a moderately hot month, with an average temperature ranging between min 59.5°F (15.3°C) and max 75.9°F (24.4°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 82.9°F (28.3°C) in August to a still moderately hot 75.9°F (24.4°C). Wayne's temperature drops to an average low of 59.5°F (15.3°C) during the nights of September.

Humidity

The average relative humidity in September in Wayne is 76%.

Rainfall

In Wayne, during September, the rain falls for 11.9 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Wayne, during the entire year, the rain falls for 138.1 days and collects up to 20.79" (528mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Wayne, Pennsylvania, the average length of the day in September is 12h and 26min.
On the first day of September in Wayne, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in September in Wayne?

The high-temperature, in September, in Wayne, records 75.9°F (24.4°C), while the low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in September in Wayne?

In September, the average relative humidity is 76%.

How many days does it rain in September in Wayne?

In September, in Wayne, the rain falls for 11.9 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Wayne?

June through September are months without snowfall.

Does it snow in Wayne in September?

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

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

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

When are sunrise and sunset in September in Wayne?

On the first day of September in Wayne, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

How long on average sun shines in September in Wayne?

In Wayne, Pennsylvania, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Wayne?

In September, the average daily maximum UV index in Wayne is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Wayne, PA

Average temperature in September - Wayne, PA
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in September
Wayne, PA

Average pressure in September - Wayne, PA
  • Average pressure in September: 30.06"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).

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Average wind speed in September
Wayne, PA

Average wind speed in September - Wayne, PA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Wayne, PA

Average humidity in September - Wayne, PA
  • Average humidity in September: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).

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Average rainfall in September
Wayne, PA

Average rainfall in September - Wayne, PA
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").

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Average rainfall days in September
Wayne, PA

Average rainfall days in September - Wayne, PA
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Wayne, PA

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

The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wayne, PA

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

The month with the highest number of snowfall days is January (6.1 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
Wayne, PA

Average daylight in September / Average sunshine in September - Wayne, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Wayne, PA

Average sunshine days in September - Wayne, PA
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in September
Wayne, PA

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

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).

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Average cloud cover in September
Wayne, PA

Average cloud cover in September - Wayne, PA
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Wayne, PA

Average visibility in September - Wayne, 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).

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Wayne, Pennsylvania, USA

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