Saint-Lazare in September

7.5out of 10

Yes, a good time to go

Mild: highs around 21°C. Frequent rain: about 10 rainy days.

21°CAvg high
11°CAvg low
10Rainy days (95 mm)
12:18 hDaylight
06:42Sunrise · 19:00 Sunset

Why this score

  • Mild: highs around 21°C
  • Frequent rain: about 10 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?

Rainfall in September is fairly consistent from year to year (2.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-5° -14° J -3° -13° F 3° -6° M 12° 1° A 19° 8° M 24° 13° J 26° 16° J 25° 15° A 21° 11° S 13° 5° O 6° -2° N -1° -9° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -5°C-14°C77 mm 11– – 3.6
February -3°C-13°C62 mm 9– – 3.9
March 3°C-6°C74 mm 10– – 4.1
April 12°C1°C105 mm 11– – 5.7
May 19°C8°C100 mm 12– – 7.0
June 24°C13°C105 mm 12– – 7.4
July 26°C16°C100 mm 13– – 7.3
August 25°C15°C98 mm 11– – 7.5
September 21°C11°C95 mm 10– – 7.5
October 13°C5°C109 mm 12– – 6.0
November 6°C-2°C88 mm 11– – 4.6
December -1°C-9°C87 mm 12– – 3.5

Frequently asked questions

How hot is Saint-Lazare in September?

Daytime highs average 21°C and nights about 11°C.

When is the best time to visit Saint-Lazare?

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