Climate averages 1991–2020
Oldenburg weather
in September.
A mild, moderately wet month: the 4th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Oldenburg: daytime highs average 18.2°C and nights cool to about 11.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 64 mm of rain on roughly 11 days, which makes September a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 45 min on an average September day.
The nearest other city in this atlas is Delmenhorst (30 km away). In September its highs average 18.2°C, about as warm as Oldenburg, with 58 mm of rain.
Among the 120 cities listed in Germany, Oldenburg ranks joint 100th of 120 for the warmest September highs and joint 59th of 120 for the driest September (rainfall, lowest first). The mean September high of those 120 cities is 18.8°C; Oldenburg is 0.6°C cooler than that mean.
From September to October, average highs fall by 4.7°C to 13.5°C, and monthly rainfall falls from 64 mm to 62 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
Oldenburg climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.5°C0.3°C | 0.3°C | 66 | 13.6 | 8.28 h |
| February | 5.5°C0.3°C | 0.3°C | 52 | 10.4 | 9.810 h |
| March | 8.9°C1.9°C | 1.9°C | 56 | 11.7 | 11.812 h |
| April | 13.6°C5.0°C | 5.0°C | 52 | 11.0 | 13.914 h |
| May | 17.3°C8.8°C | 8.8°C | 63 | 11.6 | 15.816 h |
| June | 20.0°C11.9°C | 11.9°C | 79 | 13.2 | 16.917 h |
| July | 22.1°C14.2°C | 14.2°C | 92 | 14.5 | 16.416 h |
| August | 21.8°C14.2°C | 14.2°C | 82 | 13.6 | 14.815 h |
| September, selected | 18.2°C11.4°C | 11.4°C | 64 | 10.7 | 12.713 h |
| October | 13.5°C7.8°C | 7.8°C | 62 | 12.3 | 10.611 h |
| November | 8.3°C4.0°C | 4.0°C | 55 | 11.7 | 8.79 h |
| December | 5.1°C1.3°C | 1.3°C | 66 | 12.9 | 7.78 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
- Delmenhorst in SeptemberGermany · 30 kmHigh 18.2°C · Low 11.5°C · 58 mm rain
- Bremen in SeptemberGermany · 40 kmHigh 18.3°C · Low 11.4°C · 58 mm rain
- Wilhelmshaven in SeptemberGermany · 46 kmHigh 17.9°C · Low 11.7°C · 67 mm rain
- Bremerhaven in SeptemberGermany · 52 kmHigh 17.6°C · Low 12.4°C · 66 mm rain
- Osnabrück in SeptemberGermany · 97 kmHigh 18.7°C · Low 11.3°C · 64 mm rain
- Minden in SeptemberGermany · 106 kmHigh 18.6°C · Low 11.4°C · 60 mm rain
- Rheine in SeptemberGermany · 108 kmHigh 18.6°C · Low 11.3°C · 64 mm rain
- Groningen in SeptemberThe Netherlands · 110 kmHigh 17.8°C · Low 11.7°C · 68 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 Oldenburg) is explained once on the Oldenburg year overview and on the Sources, method and limits page.