Normal weather in Irmo in September
The weather in Irmo in September has an average temperature of around 30°C during the day. On average, September sees 153 mm of rain in Irmo. The wind speed is 3 Beaufort and mainly comes from Southeast.
After August, September in Irmo starts with a temperature of 33°C and ends around October at 28°C.
September averages for Irmo
 Average temperature | 30°C |
 Highest daytime temperature | 34°C |
| Lowest daytime temperature | 27°C |
 Total rainfall | 153 mm |
| Rainy days | 13 days |
Temperature per day in September in Irmo
This graph shows the average daily maximum temperatures in September in Irmo, indicated in degrees Celsius.
Precipitation per day in September in Irmo
This graph shows the average daily precipitation in September in Irmo, indicated in millimeters.
UV index per day in September in Irmo
This graph shows the average daily UV index in September in Irmo.
Yearly temperature in September in Irmo
This graph shows the average yearly temperature in September in Irmo, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Irmo
This graph shows the average yearly precipitation in millimeters in September in Irmo, over the past years.
Average daily weather in September
Click on a day to get more information about the average weather on that day.
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Average weather in Irmo per month
Click on a month below to see in detail how the weather typically is in Irmo and what to expect. Based on the historical weather data of Irmo, you can view the average temperature, precipitation, wind, and UV index for each day of the month.