Cool
Average highs are around 18°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 4.5h per day, so this is not one of the brighter months. Rainfall averages 82mm, so some wet days are possible.
Monthly averages
Temp
18°C
Rain
82mm
Sun
4.5h
Sea
18°C
Weather score
34
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Showers
Rainfall averages 82mm, so some wet days are possible.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Compare The Hague, Netherlands with nearby places by weather score, rain, sun, temperature, and swim conditions.
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.
September82mm average rain
September is wetter than The Hague's yearly average, so flexible plans matter more.
Driest monthsJanuary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.5 hours average sun
September sits close to The Hague'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.
September18°C average sea
September is one of The Hague's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
September34 weather score
September sits close to The Hague'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.