Frankfurt weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Frankfurt September weather at a glance
In September, Frankfurt averages 16.2°C, with typical highs of 20.6°C and lows of 12.4°C. The historical average is 16 wet days and 76% humidity.
Frankfurt September temperature & humidity
Frankfurt September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Frankfurt in September
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 20.6°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Frankfurt September sunrise & sunset times
2026 September · Local time (Europe/Berlin)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:40 | 20:10 | 13h 30m |
| 2026-09-15 | 07:01 | 19:39 | 12h 38m |
| 2026-09-30 | 07:24 | 19:06 | 11h 42m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Frankfurt
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Frankfurt weather like in September?
In September, Frankfurt averages 16.2°C, with typical highs of 20.6°C and lows of 12.4°C. The historical average is 16 wet days and 76% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Frankfurt in September?
There are about 16 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Frankfurt in September?
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Frankfurt?
Recent weather data rates May, June, August among the more comfortable months.
Where can I check Frankfurt weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Frankfurt in September?
On 2026-09-15, calculated sunrise is 07:01 and sunset is 19:39 in local time (Europe/Berlin). Times vary by date and terrain.
Frankfurt weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations