Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
East Frisian Islands, Germany in September
Weather score32Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 4.2h per day, so this is not one of the brighter months. Rainfall averages 75mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
18°C
Rain
75mm
Sun
4.2h
Sea
17°C
Weather score
32
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 75mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare East Frisian Islands, Germany 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
September75mm average rain
September is wetter than East Frisian Islands' yearly average, so flexible plans matter more.
Driest monthsJanuary to June, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September4.2 hours average sun
September sits close to East Frisian Islands' 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.
Sea temperature
September17°C average sea
September is one of East Frisian Islands' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
September32 weather score
September sits close to East Frisian Islands' 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.
