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

September weather forecast and Climate
Altoona, PA

  • The 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).

  • The 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).

  • The 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").

  • The 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").