Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Greenville (Maine), United States in September
Weather score35Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 95mm, so some wet days are possible.
September weather
Monthly averages
Temp
18°C
Rain
95mm
Sun
5.5h
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 95mm, so some wet days are possible.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Map
Weather map
Compare Greenville (Maine), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September18°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
September95mm average rain
September is wetter than Greenville (Maine)'s yearly average, so flexible plans matter more.
Driest monthsJanuary to May, September to October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5.5 hours average sun
September sits close to Greenville (Maine)'s yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September35 weather score
September sits close to Greenville (Maine)'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.
