Climate averages 1991–2020
Gothenburg weather
in September.
A mild, wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Gothenburg: daytime highs average 16.2°C and nights cool to about 10.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 93 mm of rain on roughly 13 days, which makes September a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 52 min on an average September day.
The nearest other city in this atlas is Borås (58 km away). In September its highs average 15.5°C, 0.7°C cooler than Gothenburg, with 83 mm of rain.
Among the 21 cities listed in Sweden, Gothenburg ranks 5th of 21 for the warmest September highs and 21st of 21 for the driest September (rainfall, lowest first). The mean September high of those 21 cities is 15.5°C; Gothenburg is 0.6°C warmer than that mean.
From September to October, average highs fall by 5.3°C to 10.8°C, and monthly rainfall rises from 93 mm to 94 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gothenburg climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.1°C-1.8°C | -1.8°C | 71 | 12.1 | 7.37 h |
| February | 2.5°C-2.2°C | -2.2°C | 55 | 10.2 | 9.49 h |
| March | 5.5°C-0.6°C | -0.6°C | 49 | 10.0 | 11.812 h |
| April | 10.9°C2.9°C | 2.9°C | 53 | 10.2 | 14.314 h |
| May | 15.5°C7.5°C | 7.5°C | 72 | 11.2 | 16.617 h |
| June | 18.5°C11.3°C | 11.3°C | 98 | 12.4 | 18.018 h |
| July | 20.7°C13.8°C | 13.8°C | 94 | 12.8 | 17.417 h |
| August | 20.0°C13.8°C | 13.8°C | 118 | 14.9 | 15.315 h |
| September, selected | 16.2°C10.6°C | 10.6°C | 93 | 12.9 | 12.913 h |
| October | 10.8°C6.4°C | 6.4°C | 94 | 13.8 | 10.410 h |
| November | 6.2°C2.8°C | 2.8°C | 71 | 12.4 | 8.08 h |
| December | 3.2°C-0.3°C | -0.3°C | 73 | 12.6 | 6.77 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Borås in SeptemberSweden · 58 kmHigh 15.5°C · Low 9.7°C · 83 mm rain
- Halmstad in SeptemberSweden · 127 kmHigh 16.4°C · Low 10.5°C · 76 mm rain
- Jönköping in SeptemberSweden · 130 kmHigh 15.6°C · Low 10.2°C · 62 mm rain
- Aalborg in SeptemberDenmark · 143 kmHigh 16.3°C · Low 11.2°C · 61 mm rain
- Fredrikstad in SeptemberNorway · 179 kmHigh 15.6°C · Low 10.6°C · 81 mm rain
- Helsingborg in SeptemberSweden · 190 kmHigh 16.7°C · Low 10.8°C · 62 mm rain
- Växjö in SeptemberSweden · 194 kmHigh 15.5°C · Low 9.5°C · 59 mm rain
- Århus in SeptemberDenmark · 203 kmHigh 16.6°C · Low 11.2°C · 54 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gothenburg) is explained once on the Gothenburg year overview and on the Sources, method and limits page.