SeasonMapBonifacio weather in September
France
September in Bonifacio: hot, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Bonifacio · #248 of 1383 destinations to visit in September · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bonifacio in September
Other months in Bonifacio
Bonifacio's forum calls July hot, sunny and genuinely busy — regulars say parking fills up early in peak season, though it's a step down from the crowds at Capri or Santorini. Those wanting the same warm, sunny weather with fewer people generally point to June or September instead.
Add your own note from Bonifacio's card on the map.
Bonifacio climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Feels like (high) | 29°C / 84°F | |
| Sea temperature | 24°C / 74°F | 🙂 pleasant |
| Rainfall | 40 mm / 1.6 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.5 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bonifacio in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bonifacio's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherBonifacio's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Bonifacio in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Lavezzi boat season
15 Apr – 31 Oct · usuallySummer season opensShuttles and excursion boats to the islands run from the middle of April to the end of October, hourly at the height of summer and on a shorter trip in April and October. Tickets are sold on the quay. Source ↗
- Season
Sea warm enough to swim
10 Jun – 10 Oct · usuallyThe water off the Lavezzi and the beaches east of town is swimmable from June into early October. Wind, not temperature, is what usually decides whether the day happens.
- Hazard
Fire risk and closed massifs
15 Jun – 30 Sep · usuallySmoke seasonClosuresThe prefecture bans fires and outdoor work across Corse-du-Sud into the end of September, and on severe-risk days closes forest massifs inland, Bavella included, to walkers and cars. Source ↗
Nearby, and something's on
Within 300 km of Bonifacio — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bonifacio?
Bonifacio in September — FAQ
- Is September a good time to visit Bonifacio?
- September in Bonifacio: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Bonifacio on SeasonMap's comfort score (89/100).
- What is the weather like in Bonifacio in September?
- In September, Bonifacio averages a daily high of 28.1°C and a low of 17.2°C, with about 39.6 mm of rain over roughly 5.2 rainy days.
- What is the air quality in Bonifacio in September?
- Bonifacio has a mean US Air Quality Index of about 50 in September.
Other months in Bonifacio
Compare Bonifacio in September
Warmer or cooler than Bonifacio in September
Similar destinations in Western Europe — September
Within 300 km: Alghero's Vermentino harvest around 20 Aug – 5 Oct, and Pisa's Anima Mundi sacred music around 5–28 Sep.