Monaco · Month comparison
May vs September
September ranks #1 overall vs May at #11. Monaco Yacht Show end of month — the global superyacht trade fair takes over Port Hercule.
May
#11 of 12 months
Strong option
F1 Grand Prix — the most expensive sporting week on the planet, all of Monaco rebuilt around it.
- ↑Monaco Grand Prix (final weekend) — F1's blue-riband race, run through Casino Square
- ↑Free Thursday and Friday practice from public balconies above Sainte-Dévote
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 | May | September |
|---|---|---|
| Weather score | 8 | 9 |
| Value score | 1 | 5 |
| Crowd score | 1 | 5 |
| Events score | 10 | 9 |
| Atmosphere | 10 | 10 |
| Avg high temp | 21°C | 25°C |
| Monthly rain | 55mm | 70mm |
| Daily sunshine | 9hrs | 9hrs |
May trade-offs
- ↓Hotel rooms £2-5k/night Wed-Sun, three-night minimums, often sold a year out
- ↓Restaurants on the circuit fixed-menu only at €500+ per head
- ↓Outside GP week, late-May ramps up Riviera school-half-term family pricing too
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 →