Firminy in Fall

In fall (September, October and November), Firminy sees average daytime highs around 15°C and overnight lows near 7°C, with 245 mm of precipitation over about 33 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 22°C in early September to 8°C by late November. The sky is clear or mostly clear about 22% of the time across fall, and the air most often feels dry.

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

Avg daytime high
15°C
2nd-warmest season
Avg overnight low
7°C
Precipitation
245 mm
33 wet days
Avg wind
9 km/h
Travel score
4.3
2nd-best season
Months
Sep · Oct · Nov

Temperature in Firminy in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 22°C in early September to 8°C by late November.

A typical fall day in Firminy reaches about 15°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Firminy

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 15 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
15
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Firminy 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 / -0°5811.64.88.90.3
Feb / -0°4610.24.810.10.9
Mar11° / 4910.42.311.62.8
Apr14° / 7612.61.313.24.0
May18° / 8713.10.314.75.4
Jun22° / 12°7511.7015.46.4
Jul25° / 14°639.7015.17.1
Aug25° / 13°659.2013.97.2
Sep20° / 10°779.3012.36.4
Oct15° / 8411.10.410.74.5
Nov10° / 8512.22.29.31.9
Dec / 5911.13.68.60.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Firminy gets around 245 mm of rain and snow over 33 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 9 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 06 min in early September to 8 h 48 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 2.7 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Firminy?

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.

4.3
Sightseeing
2nd-best month of the year
1.4
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Firminy for sightseeing.

What to pack for Firminy in Fall

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

In fall, Firminy sees daytime highs around 15°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 33 days see rain.

a warm layerrain gear

UV index in Firminy 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 Firminy peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Firminy in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Firminy is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2216 µg/m³Jul 2311 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep11Good
Oct12Good
Nov12Good
Dec12Moderate
Location & terrain

Where is Firminy?

Firminy sits at 45.4°N, 4.3°E, 477 m above sea level, in France. The nearest listed city is Saint-Étienne, 9.0 km away.

Topography around Firminy

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

Within 3 km, the terrain around Firminy has significant variations in elevation — a maximum elevation change of 403 m around an average of 545 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 890 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,641 m.

The land around Firminy is covered by trees (46%), artificial surfaces (26%) and grassland (25%) within 3 km, trees (49%) and grassland (34%) within 16 km, and trees (48%) and grassland (34%) within 80 km.

3 km
403 m
16 km
890 m
80 km
1,641 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Saint-Étienne 9.0 km · Saint-Chamond 20 km · Montbrison 30 km · Annonay 34 km · Givors 44 km · Vienne 48 km · Le Puy-en-Velay 50 km · Saint-Genis-Laval 52 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 Firminy (45.3896°, 4.2886°, elevation 477 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.