Normal weather in Harpswell in September
The weather in Harpswell in September has an average temperature of around 19°C during the day. On average, September sees 48 mm of rain in Harpswell. The wind speed is 4 Beaufort and mainly comes from Southwest.
After August, September in Harpswell starts with a temperature of 20°C and ends around October at 16°C.
September averages for Harpswell
![]() | 19°C |
![]() | 21°C |
![]() | 16°C |
![]() | 48 mm |
![]() | 16 days |
Temperature per day in September in Harpswell
This graph shows the average daily maximum temperatures in September in Harpswell, indicated in degrees Celsius.
Precipitation per day in September in Harpswell
This graph shows the average daily precipitation in September in Harpswell, indicated in millimeters.
UV index per day in September in Harpswell
This graph shows the average daily UV index in September in Harpswell.
Yearly temperature in September in Harpswell
This graph shows the average yearly temperature in September in Harpswell, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Harpswell
This graph shows the average yearly precipitation in millimeters in September in Harpswell, 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 Harpswell per month
Click on a month below to see in detail how the weather typically is in Harpswell and what to expect. Based on the historical weather data of Harpswell, you can view the average temperature, precipitation, wind, and UV index for each day of the month.