Zagreb Weather in September
21.5°C high · 12°C low · 86 mm rain · 6.3h sun
Sep is a warm month in Zagreb — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 21.5°C |
| Average low | 12°C |
| Rainfall | 86 mm |
| Sunshine | 6.3 hours/day |
| Daylight | 12.3 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings for Zagreb in September.
Zagreb weather by month
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Frequently asked questions
What is the weather in Zagreb in September?
Highs of 21.5°C and lows of 12°C, with about 86 mm of rain and 6.3 hours of sunshine per day.
Is September a good time to visit Zagreb?
Sep is a warm month in Zagreb — not peak season, but a good time to avoid crowds.
What to do in Zagreb · Best time to visit Zagreb
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.