Montréal · Month comparison

September vs July

July ranks #1 overall vs September at #4. The best month — Jazz Fest, Canada Day, Just for Laughs and Osheaga all in one extraordinary month

Montreal in September with early autumn colours and clear sky

September

#4 of 12 months

Best match

Golden September in the Laurentians — the best month for foliage day trips and comfortable city exploring

  • ↑Warm 16–22°C with cooler evenings; the most pleasant temperature window of the year
  • ↑Early autumn foliage beginning in the Laurentians — Mont-Tremblant less than 90 minutes away
Montreal Old Port in summer with festivals and city skyline

July

#1 of 12 months

Best match

The best month — Jazz Fest, Canada Day, Just for Laughs and Osheaga all in one extraordinary month

  • ↑Osheaga Music Festival (Île Sainte-Hélène) — one of North America's premier outdoor music events
  • ↑Canada Day (July 1) celebrations in Old Montreal and across the city
FactorSeptemberJuly
Weather score
8
8
Value score
6
4
Crowd score
6
8
Events score
6
9
Atmosphere
8
9
Avg high temp21°C27°C
Monthly rain84mm91mm
Daily sunshine7.5hrs10hrs

September trade-offs

  • ↓Peak autumn foliage not yet arrived (that's October); September is green transitioning to gold
  • ↓Some summer-only venues beginning to close

July trade-offs

  • ↓Peak accommodation prices and crowds; Montreal receives massive visitor numbers in July
  • ↓Booking Jazz Fest hotel accommodation months ahead is essential
See all 12 months for Montréal →September in detail →July in detail →
Scores compare months within Montréal. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →