Gdansk weather in September
Gdansk in September averages 14°C (57°F), 74 mm of rain and 6 hours of sun a day.
Of the twelve months in Gdansk, September is the fourth warmest, the third wettest and the sixth sunniest.
- Average temp
- 14°C (57°F)
10–18°C · 50–65°F
- Rainfall
- 74 mm
Showers likely
- Sunshine
- 6 h
hours per day
What is Gdansk 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 Gdansk in September?
A light rain jacket
About 74 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 10°C (50°F).
September compared with August and October
September in Gdansk is 4.4°C cooler than August and about as wet as it, which averages 18°C (65°F).
September in Gdansk is 5.2°C warmer than October and about as wet as it, which averages 9°C (48°F).
Daylight in Gdansk in September
On 15 September the sun is up for 12 hours 42 minutes in Gdansk, rising about 06:18 and setting about 19:00 local time.
September ends 2 hours 5 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 30 minutes short of June, the longest-lit month here.
Where to stay in Gdansk
Dates are a starting point for September.
Travel guides for Gdansk
What to read before you book.
Gdansk 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 | -1°C / 29°F | 47 mm |
| February | 0°C / 31°F | 37 mm |
| March | 3°C / 37°F | 40 mm |
| April | 8°C / 47°F | 37 mm |
| May | 13°C / 55°F | 59 mm |
| June | 16°C / 61°F | 68 mm |
| July | 18°C / 65°F | 87 mm |
| August | 18°C / 65°F | 78 mm |
| September | 14°C / 57°F | 74 mm |
| October | 9°C / 48°F | 71 mm |
| November | 4°C / 39°F | 54 mm |
| December | 0°C / 32°F | 55 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Gdansk in September
September climate averages for Gdansk, 1991–2020.
Gdansk averages 14°C (57°F) in September, ranging from about 10°C (50°F) at night to 18°C (65°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 74 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 14°C (57°F) against 9°C (48°F) in October — 5.2°C warmer.
September is 4.4°C cooler than August, and about as wet.
Yes. September falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.
About 6 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 42 minutes of daylight in mid-September, against 17 hours 12 minutes in June and 7 hours 20 minutes in December.
On 15 September, sunrise is about 06:18 and sunset about 19:00 local time. Both shift across the month — the month ends 2 hours 5 minutes shorter than it starts.
