Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Boothbay Harbor, United States in September
Weather score44Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 83mm, so some wet days are possible.
September weather
Monthly averages
Temp
21°C
Rain
83mm
Sun
6.9h
Sea
15°C
Weather score
44
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 83mm, so some wet days are possible.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Boothbay Harbor, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September83mm average rain
September sits on the drier side of Boothbay Harbor's year, which helps with sightseeing and transfers.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September6.9 hours average sun
September is brighter than Boothbay Harbor's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September15°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
September44 weather score
September sits close to Boothbay Harbor's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Boothbay Harbor, United States
Marriott
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