Normal weather in Portmellon in September
The weather in Portmellon in September has an average temperature of around 18°C during the day. On average, September sees 80 mm of rain in Portmellon. The wind speed is 4 Beaufort and mainly comes from South.
After August, September in Portmellon starts with a temperature of 18°C and ends around October at 16°C.
September averages for Portmellon
![]() | 18°C |
![]() | 20°C |
![]() | 16°C |
![]() | 80 mm |
![]() | 12 days |
Temperature per day in September in Portmellon
This graph shows the average daily maximum temperatures in September in Portmellon, indicated in degrees Celsius.
Precipitation per day in September in Portmellon
This graph shows the average daily precipitation in September in Portmellon, indicated in millimeters.
UV index per day in September in Portmellon
This graph shows the average daily UV index in September in Portmellon.
Yearly temperature in September in Portmellon
This graph shows the average yearly temperature in September in Portmellon, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Portmellon
This graph shows the average yearly precipitation in millimeters in September in Portmellon, 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 Portmellon per month
Click on a month below to see in detail how the weather typically is in Portmellon and what to expect. Based on the historical weather data of Portmellon, you can view the average temperature, precipitation, wind, and UV index for each day of the month.