Zagreb weather in September
Zagreb in September averages 18°C (64°F), 104 mm of rain and 5.9 hours of sun a day.
Of the twelve months in Zagreb, September is the fourth warmest, the wettest and the sixth sunniest.
- Average temp
- 18°C (64°F)
14–22°C · 57–72°F
- Rainfall
- 104 mm
Showers likely
- Sunshine
- 5.9 h
hours per day
What is Zagreb like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Zagreb in September?
A light rain jacket
About 104 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Zagreb is 5°C cooler than August and 19 mm wetter than it, which averages 23°C (73°F).
September in Zagreb is 5°C warmer than October and 13 mm wetter than it, which averages 13°C (55°F).
Daylight in Zagreb in September
On 15 September the sun is up for 12 hours 32 minutes in Zagreb, rising about 06:34 and setting about 19:06 local time.
September ends 1 hour 32 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 11 minutes short of June, the longest-lit month here.
Where to stay in Zagreb
Dates are a starting point for September.
Travel guides for Zagreb
What to read before you book.
Zagreb weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 3°C / 37°F | 47 mm |
| February | 5°C / 40°F | 48 mm |
| March | 9°C / 48°F | 49 mm |
| April | 14°C / 56°F | 63 mm |
| May | 18°C / 64°F | 76 mm |
| June | 22°C / 71°F | 90 mm |
| July | 23°C / 74°F | 87 mm |
| August | 23°C / 73°F | 85 mm |
| September | 18°C / 64°F | 104 mm |
| October | 13°C / 55°F | 91 mm |
| November | 8°C / 46°F | 88 mm |
| December | 3°C / 38°F | 63 mm |
Check another month
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FAQs about Zagreb in September
September climate averages for Zagreb, 1991–2020.
Zagreb averages 18°C (64°F) in September, ranging from about 14°C (57°F) at night to 22°C (72°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 104 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 18°C (64°F) against 13°C (55°F) in October — 5°C warmer.
September is 5°C cooler than August, and 19 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.
About 5.9 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 32 minutes of daylight in mid-September, against 15 hours 43 minutes in June and 8 hours 41 minutes in December.
On 15 September, sunrise is about 06:34 and sunset about 19:06 local time. Both shift across the month — the month ends 1 hour 32 minutes shorter than it starts.
