What September feels like in Paris
In Paris, September brings early autumn. Afternoons are mild and comfortable for most people in light layers. Once the sun goes down the air changes: nights are cool. Moist air is typical, yet it seldom feels heavy at this time of year.
Rain in Paris in September
Expect a mix of dry and wet days, with rain about one day in 4. Wet days average about 6.1 mm (0.2 in), enough to soak you without an umbrella. That is close to Paris's typical rain per wet day for the whole year (about 5.4 mm). It is among the three driest months of the year.
Daylight and sunshine in September
On 15 September the sun rises at about 7:26 am and sets around 8:06 pm local time, giving 12 h 41 min of daylight. Days are getting shorter: 1 h 46 min less daylight than in mid-August. The sun is out for roughly 69% of those daylight hours, so there are plenty of bright spells.
How September compares to the rest of the year
September is the 4th warmest month of the year in Paris. Against August, the average high is 3.2°C (5.8°F) lower, with 12 mm less rain. The cooling trend carries on into October. By October, typical highs are 16.8°C (62.2°F).
Who September suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
Tips for visiting Paris in September
Versatile Layers
Pack pieces you can take off by noon and put back on at dusk.
Rain Protection
A compact umbrella and a light waterproof jacket.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Paris in September?
It feels mild: typical highs are 21.3°C (70.3°F), with lows near 12.3°C (54.1°F).
Does it rain a lot in Paris in September?
Yes, fairly — rain falls about one day in 4 and totals about 49 mm, so an umbrella is worth carrying.
What should I wear in Paris in September?
Pack versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is September or October better for visiting Paris?
September, clearly: it ranks #1 of 12 among Paris's months, against #8 for the other. October is cooler and has more rainy days.