September weather forecast
Tatamy, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Tatamy, Pennsylvania, with an average temperature varying between 74.1°F (23.4°C) and 55.2°F (12.9°C).

Temperature

As Tatamy enters September, the average high-temperature subtly lowers from the 80.8°F (27.1°C) of August to a still warm 74.1°F (23.4°C). In Tatamy, the expected average low-temperature for September is a cool 55.2°F (12.9°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

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

Daylight

In Tatamy, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

Sunshine

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

UV index

In Tatamy, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Tatamy?

In September, in Tatamy, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 55.2°F (12.9°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September?

In Tatamy, during September, the rain falls for 12.1 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 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 many hours of sunshine does Tatamy have in September?

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

How high is the UV index in September?

In Tatamy, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Tatamy, PA

Average temperature in September - Tatamy, PA
  • Average high temperature in September: 74.1°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 (34.2°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Tatamy, PA

Average pressure in September - Tatamy, 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).

Average wind speed in September
Tatamy, PA

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

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).

Average humidity in September
Tatamy, PA

Average humidity in September - Tatamy, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in September
Tatamy, PA

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

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Tatamy, PA

Average rainfall days in September - Tatamy, PA
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Tatamy, PA

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

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Tatamy, PA

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

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Tatamy, PA
  • Average daylight in September: 12h and 3min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Tatamy, PA

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

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Tatamy, PA

Average UV index in September - Tatamy, 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).

Average cloud cover in September
Tatamy, PA

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Tatamy, PA

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

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

Tatamy, Pennsylvania, USA

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