Stralsund weather in September

In September, Stralsund sees average daytime highs of 18°C and overnight lows near 11°C, with 54 mm of rain across 10.1 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Stralsund's 6th-clearest and 8th-windiest month. For the whole year in context, see Stralsund's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
54 mm
10.1 wet days
Daylight
12 h 24 min
5:49 AM – 6:15 PM
Cloud cover
66%
6th clearest
Wind
14 km/h
8th windiest
Solar energy
3.06 kWh/m²
Travel score
5.6
out of 10

Stralsund is Wikimedia duplicate item.

Air quality
Moderate
PM2.5 11.5 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 16°C by the end.

A typical September day in Stralsund reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
61912
71912
81912
91911
101911
111911
121911
131811
141811
151811
161811
171810
181810
191810
201710
211710
221710
231710
241710
251710
26169
27169
28169
29169
30169

How September really feels in Stralsund

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Stralsund weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°4911.33.47.70.0
Feb / -1°409.93.89.30.0
Mar / 4510.12.111.50.9
Apr12° / 439.40.313.73.3
May17° / 5711.3015.75.2
Jun20° / 11°7011.6016.85.9
Jul22° / 14°7913.1016.46.3
Aug22° / 14°7612.5014.76.3
Sep18° / 11°5410.1012.55.6
Oct13° / 5110.7010.23.4
Nov / 4510.40.98.21.0
Dec / 5011.337.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24159
34159
44159
54060
64060
74159
83961
93961
103961
113862
123862
133763
143763
153763
163664
173664
183664
193664
203664
213565
223466
233466
243466
253466
263466
273466
283367
293367
303367

Chance of precipitation in September

Any precipitation

Stralsund gets around 54 mm of rain over 10.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
242
341
441
540
639
739
838
937
1036
1135
1235
1334
1433
1532
1632
1731
1831
1931
2030
2130
2230
2330
2431
2531
2631
2732
2832
2933
3033

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
164306
265296
367285
468275
569265
670264
771254
872244
974233
1075223
1176213
1277203
1379192
1480182
1581172
1683152
1785141
1886131
1986131
2087121
2188111
2289110
2390100
2490100
2590100
2690100
2790100
289190
299190
309190

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over September. Sunrise moves from 5:21 AM to 6:15 AM, and sunset from 6:54 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:216:54
213.55:236:51
313.45:256:49
413.35:276:46
513.25:296:43
613.25:306:41
713.15:326:38
813.05:346:36
913.05:366:33
1012.95:386:31
1112.85:406:28
1212.75:426:25
1312.75:436:23
1412.65:456:20
1512.55:476:18
1612.45:496:15
1712.45:516:12
1812.35:536:10
1912.25:556:07
2012.15:576:04
2112.15:586:02
2212.06:005:59
2311.96:025:57
2411.86:045:54
2511.86:065:51
2611.76:085:49
2711.66:105:46
2811.56:125:44
2911.56:145:41
3011.46:155:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.06 kWh/m².

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 5.83 kWh/m² in June across the year — September's 3.06 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.7Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.4Moderate
292.4Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Stralsund?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
4th-best month of the year
1.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Stralsund for sightseeing.

What to pack for Stralsund in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Stralsund sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Stralsund in September

The nearest coast averages about 16°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in August at about 18°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Stralsund in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stralsund peaks around June 15 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 15UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Stralsund in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Stralsund is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Stralsund's WHO annual average of 11.5 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1415 µg/m³Dec 127 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun14Moderate
Jul13Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Stralsund?

Stralsund sits at 54.3°N, 13.1°E, 4 m above sea level, in Germany. The nearest listed city is Universitäts- und Hansestadt Greifswald, 32 km away.

RostockKröpeliner-Tor-VorstadtGüstrowNeubrandenburgŚwinoujścieWaren

Topography around Stralsund

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Stralsund.

Within 3 km, the terrain around Stralsund has only modest variations in elevation — a maximum elevation change of 45 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 58 m; within 80 km, only modest variations in elevation — a maximum elevation change of 189 m.

The land around Stralsund is covered by water (29%), trees (25%) and artificial surfaces (24%) within 3 km, cropland (44%) and water (21%) within 16 km, and water (51%) and cropland (26%) within 80 km.

3 km
45 m
16 km
58 m
80 km
189 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Universitäts- und Hansestadt Greifswald 32 km · Ribnitz-Damgarten 41 km · Rostock 66 km · Kröpeliner-Tor-Vorstadt 67 km · Güstrow 82 km · Neubrandenburg 84 km · Świnoujście 88 km · Waren 92 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Stralsund (54.3091°, 13.0818°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).