Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
Plymouth, England, United Kingdom in September
Weather score32Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 102mm, so some wet days are possible.
September weather
Monthly averages
Temp
17°C
Rain
102mm
Sun
5h
Sea
16°C
Weather score
32
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 102mm, so some wet days are possible.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Plymouth, England, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September17°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
September102mm average rain
September sits near Plymouth's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5 hours average sun
September sits close to Plymouth's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September16°C average sea
September is one of Plymouth's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
September32 weather score
September sits close to Plymouth's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
