Gothenburg weather in September

In September, Gothenburg sees average daytime highs of 16°C and overnight lows near 9°C, with 93 mm of rain across 12.9 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 18°C in the first days to 14°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Gothenburg's 6th-clearest and 7th-windiest month. For the whole year in context, see Gothenburg's year-round climate.

Daytime high
16°
4th warmest
Overnight low
9th coldest
Rainfall
93 mm
12.9 wet days
Daylight
12 h 30 min
5:52 AM – 6:21 PM
Cloud cover
65%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
2.76 kWh/m²
Travel score
4.6
out of 10

Gothenburg is second-largest city in Sweden and capital of the Västra Götaland County.

Air quality
Good
PM2.5 6.5 µg/m³ · 2019
Founded
1621

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 18°C in the first days to 14°C by the end.

A typical September day in Gothenburg reaches about 16°C in the afternoon and slips back to 9°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°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)
11811
21810
31810
41810
51810
61810
71710
81710
91710
101710
111710
121710
13179
14169
15169
16169
17169
18169
19169
20169
21158
22158
23158
24158
25158
26158
27148
28148
29148
30147

How September really feels in Gothenburg

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.

Gothenburg 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 / -2°70125.370.0
Feb / -3°5410.15.290.0
Mar / -1°49103.711.40.4
Apr11° / 5310.20.8142.6
May16° / 7211.3016.34.7
Jun18° / 10°9812.4017.65.6
Jul21° / 12°9412.8017.16.0
Aug20° / 12°118150155.6
Sep16° / 9312.9012.54.6
Oct11° / 9413.80.4102.4
Nov / 7112.41.37.60.5
Dec / -1°7312.63.86.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64159
74258
84159
94159
104159
114060
124060
134060
144060
154060
164060
174060
183961
194060
204060
213961
223961
233862
243862
253961
263862
273862
283763
293763
303763

Chance of precipitation in September

Any precipitation

Gothenburg gets around 93 mm of rain over 12.9 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 44% and peaks near 47% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
147
246
346
445
545
644
744
844
944
1044
1144
1244
1344
1444
1544
1643
1743
1843
1943
2042
2142
2242
2342
2442
2542
2642
2742
2843
2943
3044

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172253
273243
375232
476222
578211
679201
780191
881181
982171
1083161
1185150
1286140
1387130
1488120
1589110
1690100
1790100
189190
199280
209280
219280
229370
239370
249370
259460
269460
279460
289550
299550
309550

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 48 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over September. Sunrise moves from 5:19 AM to 6:22 AM, and sunset from 7:05 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:197:05
213.75:217:02
313.65:246:59
413.55:266:56
513.45:286:53
613.35:306:50
713.35:326:47
813.25:346:44
913.15:376:42
1013.05:396:39
1112.95:416:36
1212.85:436:33
1312.75:456:30
1412.75:476:27
1512.65:506:24
1612.55:526:21
1712.45:546:18
1812.35:566:15
1912.25:586:12
2012.16:016:09
2112.16:036:07
2212.06:056:04
2311.96:076:01
2411.86:095:58
2511.76:115:55
2611.66:145:52
2711.66:165:49
2811.56:185:46
2911.46:205:43
3011.36:225:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.76 kWh/m².

For context, solar energy here swings from a low near 0.28 kWh/m² to a high of 5.81 kWh/m² in June across the year — September's 2.76 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.5Moderate
212.5Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.2Moderate
272.2Moderate
282.1Moderate
292.1Moderate
302.0Moderate
Planning a trip in September

Is September a good time to visit Gothenburg?

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

4.6
Sightseeing
5th-best month of the year
0.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Gothenburg for sightseeing.

What to pack for Gothenburg in September

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

In September, Gothenburg sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Gothenburg 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 offshore is warmest in August at about 18°C and coldest in February near 2°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Gothenburg 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 Gothenburg peaks around June 18 at about 5 (moderate) — 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 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 18UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Gothenburg?

Gothenburg sits at 57.7°N, 12.0°E, 10 m above sea level, in Sweden. The nearest listed city is Majorna, 3.0 km away.

Topography around Gothenburg

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

Within 3 km, the terrain around Gothenburg has only modest variations in elevation — a maximum elevation change of 106 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 169 m; within 80 km, significant variations in elevation — a maximum elevation change of 344 m.

The land around Gothenburg is covered by artificial surfaces (58%) and trees (29%) within 3 km, trees (54%) within 16 km, and trees (45%) and water (41%) within 80 km.

3 km
106 m
16 km
169 m
80 km
344 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Majorna 3.0 km · Mölndal 6.0 km · Västra Frölunda 7.0 km · Partille 9.0 km · Björlanda 10 km · Mölnlycke 10 km · Kungälv 18 km · Lerum 19 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

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 Gothenburg (57.7072°, 11.9668°, elevation 10 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).