Château-Thierry in September

7.6out of 10

Yes, a good time to go

Mild: highs around 20°C. Frequent rain: about 9 rainy days.

20°CAvg high
11°CAvg low
9Rainy days (54 mm)
12:20 hDaylight
07:30Sunrise · 19:51 Sunset

Why this score

  • Mild: highs around 20°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±3.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

6° 1° J 7° 1° F 11° 3° M 15° 5° A 18° 9° M 21° 12° J 24° 14° J 24° 14° A 20° 11° S 15° 8° O 10° 4° N 6° 2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 6°C1°C64 mm 12– – 4.8
February 7°C1°C58 mm 11– – 5.2
March 11°C3°C58 mm 12– – 5.8
April 15°C5°C57 mm 11– – 6.4
May 18°C9°C69 mm 12– – 6.9
June 21°C12°C61 mm 12– – 7.5
July 24°C14°C59 mm 10– – 7.7
August 24°C14°C64 mm 10– – 7.7
September 20°C11°C54 mm 9– – 7.6
October 15°C8°C66 mm 11– – 6.5
November 10°C4°C66 mm 12– – 5.5
December 6°C2°C82 mm 13– – 4.7

Frequently asked questions

How hot is Château-Thierry in September?

Daytime highs average 20°C and nights about 11°C.

When is the best time to visit Château-Thierry?

The best months are July, August, September, June.