September weather forecast
Macungie, PA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Macungie, Pennsylvania, with an average temperature fluctuating between 55.4°F (13°C) and 74.7°F (23.7°C).

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 81.3°F (27.4°C) in August to a still warm 74.7°F (23.7°C). An average nighttime temperature of 55.4°F (13°C) is recorded in Macungie during September.

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall in Macungie. Rain falls for 11.7 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Macungie is 12h and 27min.
On the first day of September in Macungie, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September in Macungie is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

Frequently asked questions

What is the temperature in September in Macungie?

In Macungie, in September, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 55.4°F (13°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in September in Macungie?

In September, the average relative humidity in Macungie, Pennsylvania, is 78%.

What is the driest month in Macungie?

September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in Macungie in September?

In Macungie, in September, during 11.7 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Macungie?

June through September are months without snowfall.

Does it snow in Macungie in September?

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

How many hours of daylight does Macungie have in September?

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

When is the sunrise / sunset in September in Macungie?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, in Macungie, Pennsylvania, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How long on average sun shines in September in Macungie?

In Macungie, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Macungie?

In Macungie, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Macungie, PA

Average temperature in September - Macungie, PA
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

[Resources]

Average pressure in September
Macungie, PA

Average pressure in September - Macungie, 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).

[Resources]

Average wind speed in September
Macungie, PA

Average wind speed in September - Macungie, PA
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

[Resources]

Average humidity in September
Macungie, PA

Average humidity in September - Macungie, PA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

[Resources]

Average rainfall in September
Macungie, PA

Average rainfall in September - Macungie, PA
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

[Resources]

Average rainfall days in September
Macungie, PA

Average rainfall days in September - Macungie, PA
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

[Resources]

Average snowfall in September
Macungie, PA

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

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Macungie, PA

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Macungie, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

[Resources]

Average sunshine days in September
Macungie, PA

Average sunshine days in September - Macungie, PA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

[Resources]

Average UV index in September
Macungie, PA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in September
Macungie, PA

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in September
Macungie, PA

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

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

[Resources]

Macungie, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location