Cologne weather in September
Cologne in September averages 16°C (61°F), 67 mm of rain and 5 hours of sun a day.
Of the twelve months in Cologne, September is the fourth warmest, the sixth wettest and the sixth sunniest.
- Average temp
- 16°C (61°F)
12–21°C · 54–69°F
- Rainfall
- 67 mm
Showers likely
- Sunshine
- 5 h
hours per day
- Wind
- 10 km/h
What is Cologne like in September?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Cologne in September?
A light rain jacket
About 67 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
September compared with August and October
September in Cologne is 3.6°C cooler than August and 15 mm drier than it, which averages 20°C (68°F).
September in Cologne is 4.3°C warmer than October and about as wet as it, which averages 12°C (54°F).
Daylight in Cologne in September
On 15 September the sun is up for 12 hours 37 minutes in Cologne, rising about 07:08 and setting about 19:45 local time.
September ends 1 hour 50 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 54 minutes short of June, the longest-lit month here.
Where to stay in Cologne
Dates are a starting point for September.
Travel guides for Cologne
What to read before you book.
Cologne weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 4°C / 39°F | 64 mm |
| February | 5°C / 40°F | 56 mm |
| March | 8°C / 46°F | 53 mm |
| April | 12°C / 53°F | 48 mm |
| May | 15°C / 59°F | 60 mm |
| June | 18°C / 65°F | 76 mm |
| July | 20°C / 69°F | 81 mm |
| August | 20°C / 68°F | 81 mm |
| September | 16°C / 61°F | 67 mm |
| October | 12°C / 54°F | 65 mm |
| November | 8°C / 46°F | 68 mm |
| December | 5°C / 41°F | 72 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Cologne in September
September climate averages for Cologne, 1991–2020.
Cologne averages 16°C (61°F) in September, ranging from about 12°C (54°F) at night to 21°C (69°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 67 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 16°C (61°F) against 12°C (54°F) in October — 4.3°C warmer.
September is 3.6°C cooler than August, and 15 mm drier.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 5 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 37 minutes of daylight in mid-September, against 16 hours 31 minutes in June and 7 hours 57 minutes in December.
On 15 September, sunrise is about 07:08 and sunset about 19:45 local time. Both shift across the month — the month ends 1 hour 50 minutes shorter than it starts.
