2026 Climate Averages

Weather: Frankfurt — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Frankfurt. Warm weather with highs of 22°C—great for outdoor activities. Rain is common, so pack an umbrella. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists.

6.9
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

22°C

Avg Low

12°C

Rainy days

10days

Daylight

12.7h

Rainfall

68mm

Sunshine

8.7h/day

Humidity

72%

Humid
Sun Strength

5

Moderate
Wind

14 km/h (gusts 32)

Is September a good time to visit Frankfurt?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Peak Rates

Daylight

Sunrise

07:01

Sunset

19:42

12.7h daylight

Visiting Frankfurt in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in September

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Frankfurt Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 6°C 1°C 12d (75mm) 3.4h
84% Very Humid
1.2 Low
Good
Feb 9°C 3°C 14d (68mm) 5.4h
78% Humid
2.4 Moderate
Wet
Mar 12°C 3°C 10d (47mm) 7.9h
69% Humid
4.5 Moderate
Good
Apr 15°C 5°C 9d (51mm) 9.8h
66% Humid
6.6 High
Good
May 20°C 10°C 10d (63mm) 11.1h
65% Humid
7.8 Very High
Excellent
Jun 26°C 15°C 10d (56mm) 12h
62% Moderate
8.5 Very High
Excellent
Jul 26°C 15°C 11d (61mm) 11.5h
61% Moderate
7.7 Very High
Excellent
Aug 27°C 16°C 10d (56mm) 10.8h
64% Moderate
7 High
Excellent
Sep Current 22°C 12°C 10d (68mm) 8.7h
72% Humid
5 Moderate
Excellent
Oct 16°C 9°C 13d (73mm) 5.5h
83% Very Humid
2.6 Moderate
Wet
Nov 9°C 4°C 14d (58mm) 3.8h
86% Very Humid
1.4 Low
Wet
Dec 6°C 2°C 12d (67mm) 2.6h
87% Very Humid
0.9 Low
Good

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4.7

Where to Stay

See hotels, apartments & rentals around Frankfurt – live prices from Booking.com, Expedia, Vrbo and more

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Frankfurt

Germany's financial powerhouse where a dramatic skyline rises above medieval squares, 26 museums line the Main River, and centuries-old apple wine taverns serve Frankfurt's soul alongside its signature green sauce.

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What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent.

Moderate Very Busy

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📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Frankfurt?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Frankfurt?
September is typically excellent for visiting Frankfurt, with average highs of 22°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Frankfurt in September?
Evenings in Frankfurt during September are mild at 12°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Frankfurt in September?
With highs of 22°C and lows of 12°C in September, we recommend: Warm layer for evenings, Compact umbrella, Waterproof jacket/shell, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Frankfurt in September?
Frankfurt typically sees around 10 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Frankfurt in September?
In September, Frankfurt gets approximately 12.7 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Frankfurt?
Yes, September is peak season in Frankfurt. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Berlin)

Last Updated: February 2026

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