Cool
Average highs are around 19°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 4.3h per day, so this is not one of the brighter months. Rainfall averages 63mm, which is relatively low for holiday planning.

Monthly averages
Temp
19°C
Rain
63mm
Sun
4.3h
Weather score
39
Poor
Cool
Average highs are around 19°C, so pack for cooler days.
Drier
Rainfall averages 63mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Map
Compare Muenster, Germany with nearby places by weather score, rain, sun, temperature, and swim conditions.
September19°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
September63mm average rain
September sits near Muenster's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to June and August to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.3 hours average sun
September sits close to Muenster'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.
September39 weather score
September sits close to Muenster'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.