Vertou in Fall

In fall (September, October and November), Vertou sees average daytime highs around 17°C and overnight lows near 9°C, with 192 mm of rain over about 30 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 23°C in early September to 11°C by late November. The sky is clear or mostly clear about 21% of the time across fall, and the air most often feels dry.

Fall is Vertou's 2nd-best season to visit on our travel score. For the whole year in context, see Vertou's year-round climate.

Avg daytime high
17°C
2nd-warmest season
Avg overnight low
9°C
Rainfall
192 mm
30 wet days
Avg wind
14 km/h
Travel score
5.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Vertou in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 23°C in early September to 11°C by late November.

A typical fall day in Vertou reaches about 17°C and drops to 9°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Vertou

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vertou 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7111.20.28.71.6
Feb10° / 559.60.5102.1
Mar13° / 5310.30.111.63.4
Apr15° / 5710.5013.34.6
May19° / 10°6110.6014.85.8
Jun22° / 13°468.4015.66.7
Jul24° / 14°397.3015.37.4
Aug24° / 14°477.30147.4
Sep21° / 12°497.4012.46.9
Oct17° / 10°7311.4010.65.1
Nov12° / 7011.309.13.1
Dec / 7911.40.28.41.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Vertou gets around 192 mm of rain over 30 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 14 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 12 min in early September to 8 h 36 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 2.5 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Vertou?

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.

5.0
Sightseeing
2nd-best month of the year
1.9
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Vertou for sightseeing.

What to pack for Vertou in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Vertou sees daytime highs around 17°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 30 days see rain.

a warm layerrain gear

Sea temperature near Vertou in Fall

The nearest coast averages about 16°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 50 km away) is warmest in August at about 19°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun17Cool
Jul18Cool
Aug19Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec11Bracing

UV index in Vertou in Fall

LowModerateHighVery highExtreme

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 Vertou peaks around August 10 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Vertou?

Vertou sits at 47.2°N, 1.5°W, 35 m above sea level, in France. The nearest listed city is Saint-Sébastien-sur-Loire, 5.0 km away.

Topography around Vertou

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vertou.

Within 3 km, the terrain around Vertou has only modest variations in elevation — a maximum elevation change of 63 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 340 m.

The land around Vertou is covered by trees (38%), grassland (28%) and artificial surfaces (28%) within 3 km, grassland (33%), trees (27%) and artificial surfaces (20%) within 16 km, and cropland (35%) and grassland (34%) within 80 km.

3 km
63 m
16 km
166 m
80 km
340 m
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Saint-Sébastien-sur-Loire 5.0 km · Rezé 8.0 km · Nantes 8.0 km · Bouguenais 12 km · Saint-Herblain 14 km · Carquefou 14 km · La Chapelle-sur-Erdre 16 km · Orvault 16 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
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Vertou (47.1688°, -1.4729°, elevation 35 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.