Normal weather on 21 September in Irmo
The weather on 21 September in Irmo has an average temperature of about 30°C during the day. The maximum temperature can reach up to 35°C, while the minimum temperature can be 23°C.
On average, 3 mm of rain falls in Irmo on 21 September. The wind speed is 3 Beaufort and mainly comes from South.
21 September Averages for Irmo
![]() | 30°C |
![]() | 35°C |
![]() | 23°C |
![]() | 3 mm |
![]() | 1 day |
Temperature on 21 September in Irmo per Year
This graph shows the measured temperature on 21 September in Irmo per year, measured in degrees Celsius, over the past years.
Precipitation on 21 September in Irmo per Year
This graph shows the total measured precipitation in millimeters on 21 September in Irmo per year over the past years.
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.