GdanskPoland · Europe · September

September climate

CityBeachCoastal

September in Gdansk

Poland · Europe

Mild days with cool nights.

Good overall

Mid to late

Daytime high

66°F

Lows around 51°F

Rain

Several rainy days

Sun

5 h/day

Air feel

Comfortable

Sea temp

61°F

Too cold for swimming

When to visit

Month-by-month fit

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Temperature

Pleasant by day, brisk at night.

66°Ftypical September high

Typical range

Precipitation

Several rainy days, mostly brief and on-and-off. About 9 wet days, the lowest monthly average.

30%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

Sunshine is limited, with cloud often dominating.

4.8 hSeptember sunshine

Heat & humidity by month

ComfortableSeptember

Easy airWarm airHot airHumid air

Hourly temperature pattern

In September, afternoons feel about 60° and nights feel near 48°.

FreezingVery coldColdCoolComfortableNight hours

Clear sky

Mostly cloudy skies this month.

39%September Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in September.

9 mphSeptember Light breeze

Sea temperature

61°FSeptember sea temp

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 65°F, easing to about 60°F in early evening.

Avg temp Typical range

Morning58°F

Rain13%

Cloud62%

Humid airLow

Sun intensityLow

Midday64°F

Rain19%

Cloud65%

Humid airLow

Sun intensityModerate

Late afternoon65°F

Rain18%

Cloud65%

Humid airLow

Sun intensityLow

Early evening60°F

Rain11%

Cloud57%

Humid airLow

Sun intensityMinimal

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Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Similar climates

Want a side-by-side climate view? Compare Gdansk with Brighton.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

1.5

1.0

Feb

1.3

1.8

Mar

1.3

3.5

Apr

1.5

5.5

May

2.3

7.6

Jun

2.6

8.3

Jul

3.7

7.5

Aug

2.8

7.1

Sep

1.8

4.8

Oct

1.9

3.0

Nov

1.5

1.3

Dec

1.6

0.8

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	35	28	1.5	11	1.0	87	40
Feb	37	29	1.3	9	1.8	84	38
Mar	44	32	1.3	9	3.5	78	38
Apr	54	38	1.5	9	5.5	72	40
May	63	46	2.3	12	7.6	72	47
Jun	69	53	2.6	12	8.3	73	56
Jul	73	58	3.7	14	7.5	76	64
Aug	74	57	2.8	12	7.1	75	66
Sep	66	51	1.8	9	4.8	79	61
Oct	55	43	1.9	11	3.0	83	54
Nov	44	37	1.5	9	1.3	88	48
Dec	38	31	1.6	10	0.8	88	43