Climate averages 1991–2020
Kiel weather
in September.
A mild, moderately wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Kiel: daytime highs average 17.6°C and nights cool to about 11.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 54 mm of rain on roughly 10 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 47 min on an average September day.
The nearest other city in this atlas is Neumünster (29 km away). In September its highs average 17.7°C, about as warm as Kiel, with 56 mm of rain.
Among the 120 cities listed in Germany, Kiel ranks joint 112th of 120 for the warmest September highs and joint 13th of 120 for the driest September (rainfall, lowest first). The mean September high of those 120 cities is 18.8°C; Kiel is 1.2°C cooler than that mean.
From September to October, average highs fall by 4.9°C to 12.7°C, and monthly rainfall rises from 54 mm to 56 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
Kiel climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.7°C-0.1°C | -0.1°C | 57 | 11.9 | 8.08 h |
| February | 4.5°C-0.2°C | -0.2°C | 45 | 10.0 | 9.710 h |
| March | 7.5°C1.2°C | 1.2°C | 49 | 10.5 | 11.812 h |
| April | 12.1°C4.4°C | 4.4°C | 43 | 9.7 | 14.014 h |
| May | 16.2°C8.3°C | 8.3°C | 57 | 10.6 | 16.016 h |
| June | 19.2°C11.7°C | 11.7°C | 66 | 11.8 | 17.117 h |
| July | 21.5°C14.2°C | 14.2°C | 74 | 12.5 | 16.617 h |
| August | 21.3°C14.3°C | 14.3°C | 73 | 12.7 | 14.915 h |
| September, selected | 17.6°C11.6°C | 11.6°C | 54 | 10.4 | 12.813 h |
| October | 12.7°C7.7°C | 7.7°C | 56 | 11.2 | 10.611 h |
| November | 7.7°C3.8°C | 3.8°C | 50 | 10.9 | 8.69 h |
| December | 4.5°C1.0°C | 1.0°C | 57 | 12.0 | 7.47 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
- Neumünster in SeptemberGermany · 29 kmHigh 17.7°C · Low 11.2°C · 56 mm rain
- Lübeck in SeptemberGermany · 62 kmHigh 18.0°C · Low 11.4°C · 51 mm rain
- Flensburg in SeptemberGermany · 69 kmHigh 17.0°C · Low 11.3°C · 63 mm rain
- Norderstedt in SeptemberGermany · 70 kmHigh 17.9°C · Low 11.2°C · 56 mm rain
- Hamburg in SeptemberGermany · 86 kmHigh 18.3°C · Low 11.1°C · 56 mm rain
- Schwerin in SeptemberGermany · 114 kmHigh 18.0°C · Low 11.1°C · 52 mm rain
- Lüneburg in SeptemberGermany · 120 kmHigh 18.5°C · Low 11.2°C · 53 mm rain
- Odense in SeptemberDenmark · 121 kmHigh 17.2°C · Low 11.4°C · 51 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 Kiel) is explained once on the Kiel year overview and on the Sources, method and limits page.