United States · 1991–2020 normal
Deer Isle in
September.
Typical September weather in Deer Isle: 21.4°C by day, 9.3°C at night, 102 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high21.4°C
Typical low9.3°C
Rain102 mm
Wet days6.6
Comfort score 68 this month (July leads the year at 83). Daylight is calculated as 12 h 27 from latitude 44.22°. Open-water sea temperature is 13.3°C (12 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4962384
- NOAA station
- USC00170480 · BELFAST
- Station distance
- 31.3 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.