Sweden
Gothenburg in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Gothenburg in September is climatically mixed. The average daily high is around 16 °C, and the sea is about 16 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
41/100 · #4
Warmth
#4
Dryness
#6
Sun
#6
Sea warmth
#3
Published best categories: none
Gothenburg · SeptemberPhoto: Smiley.toerist · CC BY-SA 4.0Climate facts
- Average high
- 16 °C
- Average low
- 12 °C
- Sea
- 16 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 4 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 19 | 15 | 16 | 102 | 5.5 | 81 | 2.7 | 18 | 55 |
| September (selected) | 16 | 12 | 14 | 92 | 3.6 | 84 | 3.0 | 16 | 41 |
| October | 11 | 8 | 17 | 113 | 1.7 | 88 | 3.3 | 12 | 21 |
How do the previous and next months compare?
Baseline: September (41/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +14 | +3.3 °C | +3 °C | +1.4 | +10.1 mm | +1.9 h | -2.6 % | -0.3 m/s | +2.6 °C |
| October | -20 | -5 °C | -4.1 °C | +2.5 | +21.6 mm | -1.9 h | +3.9 % | +0.3 m/s | -3.8 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Gothenburg in September?
The average daily high is around 16 °C, with an average daily low of about 12 °C.
Can you swim in Gothenburg in September?
The sea is about 16 °C (cold).
Does it rain a lot in Gothenburg in September?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 92 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Gothenburg?
No month in Gothenburg reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.