Cool
Average highs are around 20°C, so pack for cooler days.
September verdict
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 79mm, which is relatively low for holiday planning.
Monthly averages
Temp
20°C
Rain
79mm
Sun
5.5h
Weather score
42
Mixed
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Map
Compare Chiemsee, Germany with nearby places by weather score, rain, sun, temperature, and swim conditions.
September20°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.
September79mm average rain
September sits near Chiemsee's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September5.5 hours average sun
September sits close to Chiemsee'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.
September42 weather score
September scores above Chiemsee's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
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