SeasonScore
Frankfurt, Germany
Photo: _basquiat_ · CC BY 2.0

Germany

Frankfurt in September

🍂 Autumn

Pleasant and mostly dry.

Best months: Jul (9.6), Jun (9.5), Aug (9.5)

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Why September scores 9.4What goes into the score

How it works
🌡️ 21° / 11°C🌧️ 48 mm💧 dew pt 10°🍃 PM2.5 7
  • Weather comfort9.5
    • ✓Comfortable temperatures (21°C highs / 11°C lows)
    • ✓Comfortable humidity (dew point 9.7°C)
    • ✓Mostly dry (~48 mm rain)
  • Air quality9.7
    • ✓Good (within WHO guideline) (PM2.5 ~7 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepJul
Score9.4 Excellent9.6 Excellent
Season🍂 Autumn☀️ Summer
High / low21° / 11°26° / 15°
Rain48 mm64 mm
Humiditydew pt 10°dew pt 12°
PM2.57 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Frankfurt Airport weather-station normals. Rainfall: Frankfurt Airport weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Germany this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Frankfurt

  • Snowy daysTypical dates
    Snow likely Dec–Mar (most in Jan: ~5 days)

    Average number of days with snowfall at Frankfurt Airport. About 29 cm of snow falls in an average Jan.

    Source: Frankfurt Airport weather-station normals (national weather service, via Wikipedia climate table)

Explore FrankfurtEvents, sights, food & souvenirs

Check event dates locally

Germany's financial centre on the River Main, combining a skyscraper skyline with a rebuilt old town, museums and apple wine taverns.

Events in September

No major events on our calendar for September.

Coming up later

Frankfurt Book FairDate variesUsually mid-October

The world's largest trade fair for books, with public days at the end of the week.

Why go: Hotel prices rise sharply across the city during the fair.

Where: Messe Frankfurt

Frankfurt Christmas MarketDate variesUsually late November to just before Christmas

One of Germany's oldest and biggest Christmas markets.

Why go: Evenings and weekends are very busy; weekday afternoons are calmer.

Where: Römerberg, Paulsplatz and surrounding streets

MuseumsuferfestDate variesUsually late August

A large riverside festival with museum events, music, food stalls and a closing fireworks display.

Why go: Crowded but free to enter.

Where: Both banks of the River Main