Normal weather in Pittsburgh in September
The weather in Pittsburgh in September has an average temperature of around 25°C during the day. On average, September sees 101 mm of rain in Pittsburgh. The wind speed is 3 Beaufort and mainly comes from South.
After August, September in Pittsburgh starts with a temperature of 26°C and ends around October at 20°C.
September averages for Pittsburgh
 Average temperature | 25°C |
 Highest daytime temperature | 28°C |
| Lowest daytime temperature | 20°C |
 Total rainfall | 101 mm |
| Rainy days | 9 days |
Temperature per day in September in Pittsburgh
This graph shows the average daily maximum temperatures in September in Pittsburgh, indicated in degrees Celsius.
Precipitation per day in September in Pittsburgh
This graph shows the average daily precipitation in September in Pittsburgh, indicated in millimeters.
UV index per day in September in Pittsburgh
This graph shows the average daily UV index in September in Pittsburgh.
Yearly temperature in September in Pittsburgh
This graph shows the average yearly temperature in September in Pittsburgh, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Pittsburgh
This graph shows the average yearly precipitation in millimeters in September in Pittsburgh, over the past years.
Average daily weather in September
Click on a day to get more information about the average weather on that day.
Average weather in Pittsburgh per month
Click on a month below to see in detail how the weather typically is in Pittsburgh and what to expect. Based on the historical weather data of Pittsburgh, you can view the average temperature, precipitation, wind, and UV index for each day of the month.