Weather in Frankfurt in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Frankfurt.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youFrankfurt in September is pleasantly mild — daytime temperatures average 22.2°C, dropping to 12.1°C at night. The month is moderately rainy (8 rainy days), with roughly 9.9 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Frankfurt — every month compared. Once you know when to go, find your Frankfurt packing list at 247PackingList.
Get ready for Frankfurt in September
Search flights to Frankfurt
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Frankfurt in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Light waterproof layer
Compare all months in Frankfurt
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 5.7°C | 67.3mm | 10/10 |
| February | 8.4°C | 60.8mm | 10/10 |
| March | 11.3°C | 53.3mm | 10/10 |
| April | 14.8°C | 48.8mm | 10/10 |
| May | 19.7°C | 55.7mm | 10/10 |
| June | 25.6°C | 65.6mm | 10/10 |
| July | 25.7°C | 53.5mm | 10/10 |
| August | 25.8°C | 66.8mm | 10/10 |
| September | 22.2°C | 54.7mm | 10/10 |
| October | 16.1°C | 66.3mm | 10/10 |
| November | 9.4°C | 65.3mm | 10/10 |
| December | 6.2°C | 84.4mm | 10/10 |
Full month-by-month guide: best time to visit Frankfurt →
For facts about Germany — currency, language and dialling code — see our Germany country guide at 247CountryInfo. Travellers also find it useful to keep a Frankfurt travel guide to hand. Check clothing sizes in Germany before you shop.
Frequently Asked Questions
Is September a good time to visit Frankfurt?
September rates 10/10 for visiting Frankfurt — excellent time to visit. Expect average highs of 22.2°C, 54.7mm of rain across the month and about 9.9 hours of daily sunshine.
What is the temperature in Frankfurt in September?
In September, Frankfurt has average highs of 22.2°C (72.0°F) and average lows of 12.1°C (53.8°F).
Does it rain in Frankfurt in September?
Not much. September averages just 54.7mm of rain in Frankfurt — the odd shower is possible but most days stay dry.
What should I wear in Frankfurt in September?
For Frankfurt in September (22.2°C highs / 12.1°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, light waterproof layer.
More essentials for Frankfurt in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.