Landerneau in Fall
In fall (September, October and November), Landerneau sees average daytime highs around 15°C and overnight lows near 10°C, with 228 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 19°C in early September to 11°C by late November. The sky is clear or mostly clear about 15% of the time across fall, and the air most often feels dry.
Fall is Landerneau's 2nd-best season to visit on our travel score. For the whole year in context, see Landerneau's year-round climate.
- Avg daytime high
- 15°C
- 2nd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 228 mm
- 39 wet days
- Avg wind
- 17 km/h
- Travel score
- 4.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Landerneau in Fall
Over the season highs ease from about 19°C in early September to 11°C by late November.
A typical fall day in Landerneau reaches about 15°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
Landerneau 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 | 9° / 5° | 91 | 14.6 | 8.6 | 1.7 |
| Feb | 10° / 5° | 75 | 12.7 | 9.9 | 1.8 |
| Mar | 11° / 6° | 65 | 12.4 | 11.6 | 2.6 |
| Apr | 13° / 7° | 74 | 12.5 | 13.4 | 3.4 |
| May | 16° / 9° | 68 | 11.8 | 15 | 4.6 |
| Jun | 18° / 12° | 55 | 10.7 | 15.8 | 5.7 |
| Jul | 20° / 13° | 50 | 10.9 | 15.5 | 6.1 |
| Aug | 20° / 14° | 57 | 11.3 | 14.1 | 6.1 |
| Sep | 19° / 12° | 54 | 10.1 | 12.4 | 5.9 |
| Oct | 15° / 10° | 87 | 14 | 10.6 | 4.2 |
| Nov | 12° / 8° | 87 | 14.5 | 9 | 2.8 |
| Dec | 10° / 6° | 97 | 14.5 | 8.2 | 2.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 15% of the time across fall.
Chance of precipitation in Fall
Landerneau gets around 228 mm of rain over 39 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 17 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 12 min in early September to 8 h 24 min 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 2.5 kWh/m².
Is fall a good time to visit Landerneau?
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 Landerneau for sightseeing.
What to pack for Landerneau in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Landerneau sees daytime highs around 15°C and nights near 10°C. Pack rain gear. Worth having: a warm layer. About 39 days see rain.
Sea temperature near Landerneau in Fall
The nearest coast averages about 14°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in August at about 15°C and coldest in March near 10°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 11 | 10 | 10 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 | 12 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 11 | Bracing |
| May | 12 | Bracing |
| Jun | 14 | Bracing |
| Jul | 15 | Bracing |
| Aug | 15 | Cool |
| Sep | 15 | Bracing |
| Oct | 14 | Bracing |
| Nov | 13 | Bracing |
| Dec | 12 | Bracing |
UV index in Landerneau 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 Landerneau peaks around August 14 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 5 | 6 | 7 | 6 | 7 | 5 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Landerneau?
Landerneau sits at 48.5°N, 4.3°W, 15 m above sea level, in France. The nearest listed city is Brest, 19 km away.
Topography around Landerneau
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Landerneau.
Within 3 km, the terrain around Landerneau has only modest variations in elevation — a maximum elevation change of 184 m around an average of 80 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, significant variations in elevation — a maximum elevation change of 384 m.
The land around Landerneau is covered by trees (45%), cropland (21%) and grassland (20%) within 3 km, trees (33%), cropland (33%) and grassland (24%) within 16 km, and water (50%) 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 Landerneau (48.4515°, -4.2518°, elevation 15 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.