Normal weather on 20 September in San Sebastian
The weather on 20 September in San Sebastian has an average temperature of about 30°C during the day. The maximum temperature can reach up to 32°C, while the minimum temperature can be 26°C.
On average, 18 mm of rain falls in San Sebastian on 20 September. The wind speed is 3 Beaufort and mainly comes from West.
20 September Averages for San Sebastian
 Average temperature | 30°C |
 Highest daytime temperature | 32°C |
| Lowest daytime temperature | 26°C |
 Total rainfall | 18 mm |
| Rainy days | 1 day |
Temperature on 20 September in San Sebastian per Year
This graph shows the measured temperature on 20 September in San Sebastian per year, measured in degrees Celsius, over the past years.
Precipitation on 20 September in San Sebastian per Year
This graph shows the total measured precipitation in millimeters on 20 September in San Sebastian per year over the past years.
Average weather in San Sebastian per month
Click on a month below to see in detail how the weather typically is in San Sebastian and what to expect. Based on the historical weather data of San Sebastian, you can view the average temperature, precipitation, wind, and UV index for each day of the month.
