Normal weather on 15 September in Santa Rosa
The weather on 15 September in Santa Rosa has an average temperature of about 36°C during the day. The maximum temperature can reach up to 40°C, while the minimum temperature can be 34°C.
On average, 1,2 mm of rain falls in Santa Rosa on 15 September. The wind speed is 3 Beaufort and mainly comes from East.
15 September Averages for Santa Rosa
 Average temperature | 36°C |
 Highest daytime temperature | 40°C |
| Lowest daytime temperature | 34°C |
 Total rainfall | 1,2 mm |
| Rainy days | 1 day |
Temperature on 15 September in Santa Rosa per Year
This graph shows the measured temperature on 15 September in Santa Rosa per year, measured in degrees Celsius, over the past years.
Rainfall on 15 September in Santa Rosa per Year
This graph shows the total measured rainfall in millimeters on 15 September in Santa Rosa per year over the past years.
Average weather in Santa Rosa by month
Click on a month below to see in detail how the weather typically is in Santa Rosa and what to expect. Based on the historical weather data of Santa Rosa, you can view the average temperature, rainfall, wind, and UV index for each day of the month.