Climate averages 1991–2020
Stavanger weather
in September.
A cool, very wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a cool month in Stavanger: daytime highs average 14.4°C and nights cool to about 10.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 201 mm of rain on roughly 17 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 55 min on an average September day.
The nearest other city in this atlas is Bergen (160 km away). In September its highs average 14.2°C, about as warm as Stavanger, with 249 mm of rain.
Among the 8 cities listed in Norway, Stavanger ranks 6th of 8 for the warmest September highs and 7th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 15.0°C; Stavanger is 0.6°C cooler than that mean.
From September to October, average highs fall by 4.0°C to 10.4°C, and monthly rainfall rises from 201 mm to 221 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
Stavanger climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.8°C1.0°C | 1.0°C | 195 | 18.6 | 7.07 h |
| February | 3.4°C0.2°C | 0.2°C | 157 | 16.3 | 9.29 h |
| March | 4.8°C1.2°C | 1.2°C | 133 | 16.3 | 11.812 h |
| April | 8.2°C3.6°C | 3.6°C | 94 | 14.2 | 14.414 h |
| May | 11.5°C6.6°C | 6.6°C | 93 | 13.4 | 16.917 h |
| June | 14.2°C9.7°C | 9.7°C | 102 | 14.3 | 18.318 h |
| July | 16.5°C12.2°C | 12.2°C | 122 | 15.2 | 17.718 h |
| August | 16.9°C12.8°C | 12.8°C | 169 | 16.9 | 15.515 h |
| September, selected | 14.4°C10.7°C | 10.7°C | 201 | 17.1 | 12.913 h |
| October | 10.4°C7.3°C | 7.3°C | 221 | 18.5 | 10.310 h |
| November | 6.9°C4.1°C | 4.1°C | 210 | 18.5 | 7.88 h |
| December | 4.7°C1.8°C | 1.8°C | 209 | 19.1 | 6.36 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
- Bergen in SeptemberNorway · 160 kmHigh 14.2°C · Low 9.1°C · 249 mm rain
- Kristiansand in SeptemberNorway · 160 kmHigh 15.4°C · Low 10.7°C · 127 mm rain
- Drammen in SeptemberNorway · 268 kmHigh 15.8°C · Low 9.7°C · 94 mm rain
- Fredrikstad in SeptemberNorway · 298 kmHigh 15.6°C · Low 10.6°C · 81 mm rain
- Oslo in SeptemberNorway · 302 kmHigh 15.5°C · Low 9.5°C · 89 mm rain
- Lillestrøm in SeptemberNorway · 320 kmHigh 15.0°C · Low 8.6°C · 81 mm rain
- Aalborg in SeptemberDenmark · 326 kmHigh 16.3°C · Low 11.2°C · 61 mm rain
- Gothenburg in SeptemberSweden · 390 kmHigh 16.2°C · Low 10.6°C · 93 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 Stavanger) is explained once on the Stavanger year overview and on the Sources, method and limits page.