September weather forecast
Emsworth, PA

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Weather in September

September, the first month of the autumn in Emsworth, is also a moderately hot month, with an average temperature ranging between max 75.2°F (24°C) and min 55.8°F (13.2°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from 81.9°F (27.7°C) in August to a still warm 75.2°F (24°C). In the month of September, Emsworth witnesses a consistent average low-temperature of 55.8°F (13.2°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 7.7 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 104.1 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Emsworth, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm EDT.

Sunshine

In Emsworth, the average sunshine in September is 8.3h.

UV index

In Emsworth, 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 rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the temperature in September?

In Emsworth, in September, the average high-temperature is 75.2°F (24°C), and the average low-temperature is 55.8°F (13.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How much does it rain in September?

In Emsworth, in September, it is raining for 7.7 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in Emsworth in September?

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

How many hours of daylight does Emsworth have in September?

The average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Emsworth, PA

Average temperature in September - Emsworth, 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 (32.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Emsworth, PA

Average pressure in September - Emsworth, 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
Emsworth, PA

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

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Emsworth, PA

Average humidity in September - Emsworth, PA
  • Average humidity in September: 77%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in September
Emsworth, PA

Average rainfall in September - Emsworth, PA
  • Average rainfall in September: 0.51"

The wettest months (with the highest rainfall) are June and July (0.91").
The driest months (with the least rainfall) are January and November (0.47").

Average rainfall days in September
Emsworth, PA

Average rainfall days in September - Emsworth, PA
  • Average rainfall days in September: 7.7 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in September
Emsworth, PA

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

The month with the highest snowfall is February (1.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Emsworth, PA

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

The month with the highest number of snowfall days is February (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Emsworth, PA

Average sunshine days in September - Emsworth, PA
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (14.7 days).

Average UV index in September
Emsworth, PA

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

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

Average cloud cover in September
Emsworth, PA

Average cloud cover in September - Emsworth, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Emsworth, PA

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

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

Emsworth, Pennsylvania, USA

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