Sweden Gothenburg Weather in September — Climate Guide
September in Gothenburg is high
Gothenburg Weather in September — Quick Answer
As of 2026- Avg temp
- 16° / 11°
- Rainfall
- 75mm · 13 days
- Crowds
- Busy
As of 2026, Gothenburg in September averages a high of 16°C and low of 11°C with 75mm of rain over about 13 days. Early autumn — tee + cardigan or light sweater, light jacket for evenings, sneakers, compact umbrella. Layered approach essential — 16°C days drop to 11°C nights. Sunglasses for low autumn sun.
September is high for Gothenburg.
September is Gothenburg's best shoulder-season month — daylight still strong (13h+), comfortable 16°C days, crowds at Haga + Liseberg dropping 30-40% from August peak, hotels moderating, and the foliage in Slottsskogen + Hisingen starts to turn mid-month. Sea-temp still 15°C for the brave swimmer. Bok & Bibliotek (Gothenburg Book Fair, late September) is Scandinavia's largest literary event. Liseberg's Halloween season opens late month. If you can only travel one shoulder month, September wins over April.
Travel score
Best shoulder month — 13h daylight + foliage starting + Liseberg Halloween opens
September Weather at a Glance
September averages 61°F / 16°C highs and 52°F / 11°C lows with 75mm rainfall over 13 wet days. Humidity 80%. Sunshine 5h. Daylight drops from 14h to 11h across the month — sunset moves from 19:45 to 18:30. Sea-temp 15°C still possible swim. Foliage in Slottsskogen + Hisingen peaks mid-to-late month. Cold snap possible late month (occasional first frost).
September Travel Advice
Best shoulder-month for first-time Gothenburg visitors — pre-book Liseberg online but expect shorter queues than summer. Last full month for archipelago day trips (some routes reduce to weekday-only October). Bok & Bibliotek (late September) at the Swedish Exhibition & Congress Centre — Scandinavia's largest book fair, tickets at bokmassan.se. Compact umbrella + layered clothing essential.
September Pricing Trends
Shoulder pricing returns: Upper House $340-540/night, mid-range 4-star $190-320. Flights from major hubs $800-1,300. Bok & Bibliotek week adds $50-150 across hotel tiers.
Gothenburg September Weather Stats
Avg High
16°C
Avg Low
11°C
Rainy Days
13
75mm total
Sunshine
5h
Daily avg
Humidity
80%
moderate
UV Index
3
Moderate
Wind
12 km/h
Gusts 32
Sea Temp
15°C
swimming possible (chilly)
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
14 μg/m³
PM10
25 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
16°C
Nighttime
10°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 32 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- 16/11°C still comfortable walking + sightseeing
- Crowds dropping 30-40% from August
- Hotels moderating 20-30% off peak
- Liseberg Halloween season opens late September
- Last archipelago + Bohuslän coast weekends
- Bok & Bibliotek book fair (late September)
Cons
- Rain 13 days/month + autumn storms possible
- Sunset at 19:15 by month-end (vs 22:00 July)
- Outdoor café season winding down
- Variable weather (cold snap possible late Sept)
- Crayfish season tails off
September Events & Festivals
- Liseberg Halloween season opens (late September)
- Bok & Bibliotek (Gothenburg Book Fair, late September, Scandinavia's largest)
- Last archipelago + Bohuslän coast peak weekends before season winds down
- Autumn foliage starts in Slottsskogen mid-month
Gothenburg in September — Full Picture
September is Gothenburg's best shoulder-season month — daylight still strong (13h+), comfortable 16°C days, crowds at Haga + Liseberg dropping 30-40% from August peak, hotels moderating, and the foliage in Slottsskogen + Hisingen starts to turn mid-month. Sea-temp still 15°C for the brave swimmer. Bok & Bibliotek (Gothenburg Book Fair, late September) is Scandinavia's largest literary event. Liseberg's Halloween season opens late month. If you can only travel one shoulder month, September wins over April.
What to Wear & What to Pack
Early autumn — tee + cardigan or light sweater, light jacket for evenings, sneakers, compact umbrella. Layered approach essential — 16°C days drop to 11°C nights. Sunglasses for low autumn sun.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
10°C
2.7°C
10.3/mo
Summer (Jun·Jul·Aug)
19.7°C
13°C
12/mo
Autumn (Sep·Oct·Nov)
Current11°C
7°C
13.7/mo
Winter (Dec·Jan·Feb)
1.7°C
-2.3°C
12.7/mo
Gothenburg Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 1° | -3° | 13d·60mm | 1h | 88% | 0 | Quiet | Low season | |
| 1° | -3° | 11d·40mm | 2h | 86% | 1 | Quiet | Low season | |
| 5° | -1° | 11d·50mm | 4h | 80% | 2 | Quiet | Shoulder | |
| 10° | 2° | 10d·45mm | 6h | 75% | 3 | Moderate | Shoulder | |
| May (Best) | 15° | 7° | 10d·45mm | 8h | 70% | 4 | Busy | Peak |
| June (Best) | 18° | 11° | 11d·60mm | 9h | 71% | 5 | Very busy | Peak |
| July (Best) | 21° | 14° | 12d·70mm | 9h | 73% | 5 | Very busy | Peak |
| August (Best) | 20° | 14° | 13d·80mm | 7h | 76% | 4 | Very busy | Peak |
| 16° | 11° | 13d·75mm | 5h | 80% | 3 | Busy | Peak | |
| 11° | 7° | 14d·80mm | 3h | 84% | 2 | Moderate | Shoulder | |
| 6° | 3° | 14d·80mm | 1h | 88% | 1 | Moderate | Shoulder | |
| 3° | -1° | 14d·70mm | 1h | 89% | 0 | Busy | Peak |
View Other Months
Gothenburg September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Gothenburg?
Gothenburg in September is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Gothenburg in September?
Gothenburg September averages a high of 16°C and a low of 11°C.
Does it rain much in Gothenburg in September?
Gothenburg September averages 75mm of rainfall over about 13 rainy days.
What should I wear in Gothenburg in September?
Early autumn — tee + cardigan or light sweater, light jacket for evenings, sneakers, compact umbrella. Layered approach essential — 16°C days drop to 11°C nights. Sunglasses for low autumn sun.
What time are sunrise and sunset in Gothenburg in September?
Gothenburg September sunrise is 06:30 and sunset is 19:15, with 12h 45min of daylight.
What's the air quality like in Gothenburg in September?
Gothenburg September air quality (AQI) averages 42, rated Good. PM2.5 averages 14μg/m³.
What activities are recommended in Gothenburg in September?
In September, Gothenburg is great for Last archipelago day-trip weekend, Slottsskogen autumn foliage walk, Bok & Bibliotek (Gothenburg Book Fair, late September).
Is September peak season in Gothenburg?
Gothenburg September crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Gothenburg
View Other Months
Planning a September trip to Gothenburg?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.