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Hanover Weather in September
Thinking of visiting Hanover in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Hanover in September
Typically, you can expect about 14 days of rain this month, with 66 mm (2.6 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Hanover in September
Hanover has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Hanover in September
The area enjoys a balanced 144 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Hanover Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
46%
Precipitation
66 mm (2.6 in)
Rainy days
14 days
Sunshine
144 hours
Percentage Sunshine
Hanover Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hanover - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hanover typically drop from around 21°C (70°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in September
Historical weather records for Hanover in September
Browse day-by-day weather records for Hanover spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hanover historical weather extremes in September
Based on weather observations in Hanover between 1997 and 2026, these are the recorded extremes during September.
- On September 13, 2016, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- On September 28, 2022, Hanover saw its coldest September day with temperatures maxing out at 10°C (50°F).
- Hanover registered its coldest September night on September 27, 2013, with temperatures dropping to 1°C (34°F).
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Hanover in September
For Hanover in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Hanover in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Hanover 3-Day Forecast
More climate data for Hanover
See the full Hanover climate overview or explore weather in Germany.
Popular in September
Where to go in September - average daytime high across popular destinations.
Berlin
21°C (70°F) Hanover20°C (68°F) Cologne21°C (70°F) Düsseldorf21°C (70°F) Munich
20°C (68°F) Hamburg20°C (68°F) Binz
18°C (64°F) Winterberg18°C (64°F) Bucket list
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