September weather forecast
Zenith, PA

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Weather in September

September, the first month of the autumn in Zenith, is also an agreeable month, with an average temperature varying between 52.2°F (11.2°C) and 72.5°F (22.5°C).

Temperature

Zenith records a mild change in average high-temperature during September, easing from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.5°F (22.5°C). In September, the average low-temperature is a cool 52.2°F (11.2°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

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

Daylight

In Zenith, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:47 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 72.5°F (22.5°C) and a low-temperature of 52.2°F (11.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 2.05" (52mm) of precipitation.

How many days does it rain in September?

In Zenith, in September, it is raining for 12.8 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall in Zenith, Pennsylvania.

Does it snow in September?

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

How many hours of daylight does Zenith have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:47 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September?

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 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
Zenith, PA

Average temperature in September - Zenith, PA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in September: 52.2°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in September
Zenith, PA

Average pressure in September - Zenith, PA
  • Average pressure in September: 30.07"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
Zenith, PA

Average wind speed in September - Zenith, PA
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Zenith, PA

Average humidity in September - Zenith, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Zenith, PA

Average rainfall in September - Zenith, PA
  • Average rainfall in September: 2.05"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in September
Zenith, PA

Average rainfall days in September - Zenith, PA
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in September
Zenith, PA

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

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Zenith, PA

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

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Zenith, 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 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in September
Zenith, PA

Average sunshine days in September - Zenith, PA
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in September
Zenith, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Zenith, PA

Average cloud cover in September - Zenith, PA
  • Average cloud cover in September: 40

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Zenith, PA

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

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

Zenith, Pennsylvania, USA

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