Monaco
Monaco in September
Where it is warm, dry and good for swimming in Monaco in September — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Monaco in September?
- Monte Carlo is the warmest of the 12 destinations compared, with highs of 23°C (74°F) in September; Jardin Exotique is the coolest at 23°C (73°F).
- Can you swim in the sea in Monaco in September?
- Yes, in places: the warmest water is at Monte Carlo (22°C (72°F)), and 12 of the coastal destinations have a sea of 21 °C or more.
Warmest
23°
Monte Carlo
Coolest
23°
Jardin Exotique
Driest
76 mm
Monte Carlo
Warmest sea
22°
Monte Carlo
Across Monaco, September highs run from 23°C (73°F) (Jardin Exotique) to 23°C (74°F) (Monte Carlo). On average it is 3.5 °C (6 °F) cooler than August. Most destinations stay largely dry. Best bets this month: Monte Carlo, Monaco, and La Condamine.
Weather in September by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Monte Carlo | 23° | 17° | 76 mm | 22° | 88 |
| Monaco | 23° | 17° | 76 mm | 22° | 88 |
| La Condamine | 23° | 17° | 76 mm | 22° | 88 |
| La Rousse | 23° | 17° | 76 mm | 22° | 88 |
| Jardin Exotique | 23° | 16° | 76 mm | 22° | 88 |
| Fontvieille | 23° | 17° | 76 mm | 22° | 88 |
| Mareterra | 23° | 17° | 76 mm | 22° | 88 |
| Saint-Roman | 23° | 17° | 76 mm | 22° | 88 |
| Moneghetti | 23° | 16° | 76 mm | 22° | 88 |
| Les Révoires | 23° | 16° | 76 mm | 22° | 88 |
| Larvotto | 23° | 17° | 76 mm | 22° | 88 |
| Monaco-Ville | 23° | 17° | 76 mm | 22° | 88 |
Frequently asked questions
What is the weather like in Monaco in September?
Average daytime highs range from 23° in Jardin Exotique to 23° in Monte Carlo.
Can you swim in Monaco in September?
Yes — the sea is warmest around Monte Carlo at about 22°.