2026 Climate Averages

Weather in Gdańsk in September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

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Climate Overview

September is an excellent time to visit Gdańsk. Gdańsk has a Cool climate with average yearly highs of 20°C, lows of 12°C, and approximately 11 rainy days per month.

Avg High

20°C

Avg Low

12°C

Rainy days

11days

Daylight

12.8h

Is September a good time to visit Gdańsk?

The weather is near-perfect with ideal temperatures and minimal rain.

Daylight

Sunrise

6:19 AM

Sunset

7:05 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 6°C 2°C 13 Wet
February 7°C 2°C 12 Good
March 8°C 1°C 14 Wet
April 13°C 3°C 3 Good
May 14°C 7°C 15 Wet
June 20°C 14°C 8 Excellent (best)
July 22°C 14°C 11 Excellent (best)
August 24°C 16°C 8 Excellent (best)
September 20°C 12°C 11 Excellent (best)
October 14°C 9°C 13 Wet
November 9°C 5°C 10 Good
December 4°C 1°C 10 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for September

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Cool
Travel Context Brisk but pleasant—ideal for hiking or city walks with a light jacket.

Planning a trip to Gdańsk?

Common Questions

Is September a good time to visit Gdańsk? +

September is typically Excellent for visiting Gdańsk, with average highs of 20°C and around 11 rainy days.

What should I pack for Gdańsk in September? +

With highs of 20°C and lows of 12°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in Gdańsk in September? +

Gdańsk typically sees around 11 rainy days in September.

How many hours of daylight are there in Gdańsk in September? +

In September, Gdańsk gets approximately 12.8 hours of daylight per day.

Is September peak season in Gdańsk? +

Yes, September is peak season in Gdańsk. Expect higher prices and more crowds, but also the best weather.

What is the best month to visit Gdańsk? +

The best months to visit Gdańsk are June, July, August, September, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Warsaw)

Last Updated: January 2026

More Gdańsk Guides

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Things to Do

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Overview

Complete travel guide for Gdańsk: top things to do, itineraries, and typical costs.

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September

20° / 12°
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