Altoona
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Altoona, PA

The scenic Horseshoe Curve in Altoona, Pennsylvania, from above, with a view of the scenic environs of deep tree cover, hills, and scenic lakes
The scenic Horseshoe Curve in Altoona, Pennsylvania, from above, with a view of the scenic environs of deep tree cover, hills, and scenic lakes
September, the first month of the autumn, in Altoona, is still a pleasant month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 72.3°F (22.4°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 80.2°F (26.8°C) in August, to a pleasant 72.3°F (22.4°C). In Altoona, the average low-temperature is 51.3°F (10.7°C).

Rainfall

In Altoona, in September, 3.9" (97.8mm) of precipitation is typically accumulated. During the entire year, Altoona aggregates up to 42.3" (1074.4mm) of precipitation.

Snowfall

In Altoona, it doesn't snow. In October, it regularly snows. Throughout the year, in Altoona, 60.6" (1539.2mm) of snow is accumulated.

Daylight

In September, the average length of the day in Altoona, Pennsylvania, is 12.4h.

What is the temperature in September in Altoona?

The average high-temperature, in September, in Altoona, is 72.3°F (22.4°C), while the average low-temperature is 51.3°F (10.7°C).

How much does it rain in Altoona in September?

During September, Altoona regularly aggregates up to 3.9" (97.8mm) of precipitation.

Does it snow in Altoona in September?

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

How many hours of daylight does Altoona have in September?

The average length of the day in September in Altoona is 12.4h.
Average temperature in September - Altoona, PA
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (81.4°F).
The month with the lowest average high temperature is January (31.9°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (60.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average rainfall in September - Altoona, PA
  • Average rainfall in September: 3.9"

The wettest month (with the highest rainfall) is May (4.3").
The driest month (with the lowest rainfall) is February (2.4").

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

The month with the highest snowfall is March (16.9").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Altoona, PA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).