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 perfect, 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.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Merris's climate page.

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).

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.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our Merris's climate page.

More climate data for Merris

Temperature Rainfall Sunshine Humidity

See the full Merris climate overview or explore weather in France.