Climate averages 1991–2020
Celle 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 Celle: daytime highs average 18.7°C and nights cool to about 11.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 56 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 44 min on an average September day.
The nearest other city in this atlas is Hannover (37 km away). In September its highs average 18.7°C, about as warm as Celle, with 59 mm of rain.
Among the 120 cities listed in Germany, Celle ranks joint 67th of 120 for the warmest September highs and joint 24th of 120 for the driest September (rainfall, lowest first). The mean September high of those 120 cities is 18.8°C; Celle is 0.1°C cooler than that mean.
From September to October, average highs fall by 5.3°C to 13.5°C, and monthly rainfall rises from 56 mm to 58 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
Celle climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.8°C-0.3°C | -0.3°C | 61 | 12.7 | 8.28 h |
| February | 5.1°C-0.1°C | -0.1°C | 46 | 10.8 | 9.810 h |
| March | 8.8°C1.7°C | 1.7°C | 53 | 11.6 | 11.812 h |
| April | 14.0°C5.1°C | 5.1°C | 44 | 10.0 | 13.914 h |
| May | 18.1°C9.2°C | 9.2°C | 57 | 10.5 | 15.716 h |
| June | 21.0°C12.5°C | 12.5°C | 62 | 11.1 | 16.817 h |
| July | 23.2°C14.8°C | 14.8°C | 75 | 12.5 | 16.316 h |
| August | 22.9°C14.7°C | 14.7°C | 67 | 12.1 | 14.715 h |
| September, selected | 18.7°C11.5°C | 11.5°C | 56 | 9.9 | 12.713 h |
| October | 13.5°C7.6°C | 7.6°C | 58 | 11.5 | 10.711 h |
| November | 8.0°C3.7°C | 3.7°C | 53 | 11.1 | 8.89 h |
| December | 4.6°C0.8°C | 0.8°C | 61 | 12.3 | 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
- Hannover in SeptemberGermany · 37 kmHigh 18.7°C · Low 11.3°C · 59 mm rain
- Braunschweig in SeptemberGermany · 50 kmHigh 18.5°C · Low 11.2°C · 56 mm rain
- Wolfsburg in SeptemberGermany · 52 kmHigh 18.7°C · Low 11.5°C · 54 mm rain
- Hildesheim in SeptemberGermany · 53 kmHigh 18.4°C · Low 10.9°C · 57 mm rain
- Salzgitter in SeptemberGermany · 57 kmHigh 18.3°C · Low 11.1°C · 56 mm rain
- Lüneburg in SeptemberGermany · 73 kmHigh 18.5°C · Low 11.2°C · 53 mm rain
- Minden in SeptemberGermany · 87 kmHigh 18.6°C · Low 11.4°C · 60 mm rain
- Bremen in SeptemberGermany · 99 kmHigh 18.3°C · Low 11.4°C · 58 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 Celle) is explained once on the Celle year overview and on the Sources, method and limits page.