Monaco · Month comparison
August vs September
September ranks #1 overall vs August at #12. Monaco Yacht Show end of month — the global superyacht trade fair takes over Port Hercule.
August
#12 of 12 months
Worth considering
European summer at full tilt — every yacht, every helicopter, every Ferrari in town.
- ↑Final Fireworks Festival nights early-mid Aug
- ↑Sea at 25°C, calmest of the year, snorkelling off Cap d'Ail clear
September
#1 of 12 months
Best match
Monaco Yacht Show end of month — the global superyacht trade fair takes over Port Hercule.
- ↑Monaco Yacht Show (last week of Sep) — €100m+ yachts open for trade walk-rounds
- ↑Sea still 23°C, summer crowds gone first half of month
| Factor | August | September |
|---|---|---|
| Weather score | 8 | 9 |
| Value score | 1 | 5 |
| Crowd score | 1 | 5 |
| Events score | 7 | 9 |
| Atmosphere | 7 | 10 |
| Avg high temp | 29°C | 25°C |
| Monthly rain | 25mm | 70mm |
| Daily sunshine | 11hrs | 9hrs |
August trade-offs
- ↓August 15 (Assumption) peaks Italian/French holiday traffic — A8 to Italy gridlocked
- ↓Heat-dome days hit 33°C against the bare rock — Monaco-Ville climbs punishing
- ↓Restaurants on three-week service rotation, key kitchens occasionally closed
September trade-offs
- ↓Yacht Show week brings industry-rate hotel surge (think GP-lite)
- ↓70mm of rain — September Mediterranean storms can dump 100mm in one day
Scores compare months within Monaco. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →