Port-de-Bouc in Fall
In fall (September, October and November), Port-de-Bouc sees average daytime highs around 21°C and overnight lows near 12°C, with 240 mm of rain over about 24 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 28°C in early September to 14°C by late November. The sky is clear or mostly clear about 46% of the time across fall, and the air most often feels dry.
Fall is Port-de-Bouc's 2nd-best season to visit on our travel score. For the whole year in context, see Port-de-Bouc's year-round climate.
- Avg daytime high
- 21°C
- 2nd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 240 mm
- 24 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Port-de-Bouc in Fall
Over the season highs ease from about 28°C in early September to 14°C by late November.
A typical fall day in Port-de-Bouc reaches about 21°C and drops to 12°C overnight. The warmest of the three months is September, the coolest November.
Port-de-Bouc weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 4° | 52 | 6.5 | 9.1 | 3.4 |
| Feb | 13° / 4° | 38 | 5.4 | 10.2 | 4.1 |
| Mar | 16° / 7° | 37 | 5.7 | 11.6 | 6.0 |
| Apr | 19° / 10° | 60 | 8 | 13.2 | 6.7 |
| May | 23° / 14° | 50 | 6.5 | 14.5 | 7.5 |
| Jun | 28° / 18° | 27 | 4.3 | 15.2 | 7.1 |
| Jul | 31° / 20° | 15 | 2.8 | 14.9 | 5.9 |
| Aug | 30° / 20° | 23 | 3.6 | 13.8 | 5.9 |
| Sep | 26° / 16° | 74 | 6.3 | 12.3 | 7.5 |
| Oct | 21° / 13° | 82 | 8.4 | 10.8 | 6.8 |
| Nov | 16° / 8° | 85 | 9.4 | 9.5 | 5.0 |
| Dec | 12° / 5° | 50 | 7 | 8.8 | 3.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 46% of the time across fall.
Chance of precipitation in Fall
Port-de-Bouc gets around 240 mm of rain over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 15 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Is fall a good time to visit Port-de-Bouc?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Port-de-Bouc for sightseeing.
What to pack for Port-de-Bouc in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Port-de-Bouc sees daytime highs around 21°C and nights near 12°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 24 days see rain.
Sea temperature near Port-de-Bouc in Fall
The nearest coast averages about 19°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 22°C and coldest in February near 12°C.
It's comfortable for a long swim from Jun 28 to Sep 24 — about 2.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 13 | 12 | 13 | 14 | 16 | 19 | 21 | 22 | 21 | 19 | 17 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 13 | Bracing |
| Feb | 12 | Bracing |
| Mar | 13 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 19 | Cool |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 19 | Cool |
| Nov | 17 | Cool |
| Dec | 14 | Bracing |
UV index in Port-de-Bouc in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Port-de-Bouc peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 6 | 7 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Port-de-Bouc?
Port-de-Bouc sits at 43.4°N, 5.0°E, 5 m above sea level, in France. The nearest listed city is Fos-sur-Mer, 5.0 km away.
Topography around Port-de-Bouc
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port-de-Bouc.
Within 3 km, the terrain around Port-de-Bouc has only modest variations in elevation — a maximum elevation change of 84 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,248 m.
The land around Port-de-Bouc is covered by water (51%) and artificial surfaces (26%) within 3 km, water (54%) within 16 km, and water (36%) and trees (35%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Port-de-Bouc (43.4066°, 4.9809°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.