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Merris Weather in September
In Merris, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 12°C (54°F). Some rainfall is to be expected.
Rainfall in Merris in September
The climate data from previous years indicates about 18 days of rain, averaging 59 mm (2.3 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Merris in September
Merris in September is worth a visit. The temperature is excellent, with 20°C (68°F) during the day and 12°C (54°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Merris in September
The area enjoys a moderate level of sunlight, with around 152 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Merris.
Merris Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
20°C (68°F)
Chance of Rain
59%
Precipitation
59 mm (2.3 in)
Rainy days
18 days
Humidity
83% *
Sunshine
152 hours *
Percentage Sunshine
*
* Data from: Lille, France (29 KM, 18 Miles).
Merris Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merris - and find the best time to visit.
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Merris in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Merris in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Merris 3-Day Forecast
More climate data for Merris
Temperature Rainfall Sunshine Humidity
See the full Merris climate overview or explore weather in France.
Popular in September
Where to go in September - average daytime high across popular destinations.
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The 10 most charming villages in France
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