Castilly Weather in September

Castilly in September averages 20°C (68°F) during the day and 13°C (55°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Castilly in September

You can typically expect 13 days of rain this month, averaging around 61 mm (2.4 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Castilly in September

September is one of the better months to visit Castilly. Expect 20°C (68°F) during the day and 13°C (55°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 13°C (55°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 Castilly in September

You can expect a moderate amount of sunlight, with approximately 166 hours. This means a pleasant mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Castilly's climate page.

Castilly Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 44%  

Precipitation 61 mm (2.4 in)  

Rainy days 13 days  

Humidity 83% *  

Sunshine 166 hours *  

Percentage Sunshine *  

* Data from: Caen, France (48 KM, 30 Miles).

What to Wear in Castilly 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Castilly 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 Castilly's climate page.

More climate data for Castilly

Temperature Rainfall Sunshine Humidity

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