Month guide · Frankfurt · Germany
Frankfurt in September
What September is really like in Frankfurt: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: DXR, CC BY-SA 4.0
Quick answer
September is one of the best months to visit Frankfurt. Expect average highs of 21°C (70°F), lows of 10°C (50°F), about 8 rainy days and roughly 12.5 hours of daylight. Pleasant and settled, with new-season apple wine and busy trade-fair weeks.
Key facts
- Average high / low
- 21°C (70°F) / 10°C (50°F)
- Rainy days
- About 8
- Daylight
- About 12.5 hours
- Crowds
- Busy
- Hotel prices
- High
Weather in September
September is the 4th-warmest month in Frankfurt: days average 21°C (70°F) against a yearly average high of 15°C (59°F), and nights fall to about 10°C (50°F). Rain falls on roughly 8 of its 30 days. Compared with August (25°C (77°F)), September is cooler; by October highs drop to around 15°C (59°F).
- Sunrise (15 September)
- About 07:01
- Sunset (15 September)
- About 19:40
- Daylight
- About 12.5 hours
Autumn (September–November). Pleasant September, new apple wine and autumn colour, but trade fairs push up hotel prices.
Crowds and prices
On a 1–5 scale, September rates 4 for crowds (the peak is June at 4) and 4 for hotel prices (highest in October). Book accommodation early: September is one of the pricier months.
Events in September
- Autumn Dippemess funfair (usually September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Zoo · Ostend
Frankfurt Zoo
Head to the Grzimek House on a rainy day; it is dark, warm and full of activity.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Kids
- Outdoors
- Nature

Landmark · Altstadt
Römerberg and the Römer
Frankfurt's old main square is framed by the stepped gables of the Römer, the city hall since the 15th century, and a row of half-timbered houses rebuilt in the 1980s, with the Justice Fountain in the middle.
- Time needed
- 45 minutes
- Cost
- Free
- Iconic
- Free
- History
- Architecture
- Photo spot
Museum · Sachsenhausen
Städel Museum
Start with the old masters upstairs, then finish in the underground galleries, which are usually quieter.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Art
- Rainy day
- Iconic

Experience · Sachsenhausen
Apple-wine taverns
Traditional taverns serve Ebbelwoi, the local tart cider, from grey-and-blue stoneware jugs (Bembel) into ribbed glasses at long shared tables.
- Time needed
- 2–3 hours (evening)
- Cost
- Low cost
- Food
- After dark
- Iconic
- History
What to pack
For highs near 21°C, lows near 10°C and 8 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Frankfurt?
One of the best months to visit Frankfurt, with a notable event on the calendar. The other best months are May–August and December. Compare every month.
Frankfurt in other months
Questions travellers ask
+Is September a good time to visit Frankfurt?
It is one of the best months to visit Frankfurt. Pleasant and settled, with new-season apple wine and busy trade-fair weeks.
+How warm is Frankfurt in September?
Average highs are around 21°C (70°F) and lows around 10°C (50°F).
+Does it rain a lot in Frankfurt in September?
Expect rain on about 8 days of the month.