Normal weather in Dorchester in September
The weather in Dorchester in September has an average temperature of around 30°C during the day. On average, September sees 146 mm of rain in Dorchester. The wind speed is 3 Beaufort and mainly comes from Southeast.
After August, September in Dorchester starts with a temperature of 32°C and ends around October at 28°C.
September averages for Dorchester
![]() | 30°C |
![]() | 32°C |
![]() | 27°C |
![]() | 146 mm |
![]() | 10 days |
Temperature per day in September in Dorchester
This graph shows the average daily maximum temperatures in September in Dorchester, indicated in degrees Celsius.
Precipitation per day in September in Dorchester
This graph shows the average daily precipitation in September in Dorchester, indicated in millimeters.
UV index per day in September in Dorchester
This graph shows the average daily UV index in September in Dorchester.
Yearly temperature in September in Dorchester
This graph shows the average yearly temperature in September in Dorchester, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Dorchester
This graph shows the average yearly precipitation in millimeters in September in Dorchester, 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 Dorchester per month
Click on a month below to see in detail how the weather typically is in Dorchester and what to expect. Based on the historical weather data of Dorchester, you can view the average temperature, precipitation, wind, and UV index for each day of the month.