Brétigny-sur-Orge in Fall

In fall (September, October and November), Brétigny-sur-Orge sees average daytime highs around 16°C and overnight lows near 8°C, with 166 mm of precipitation over about 31 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 23°C in early September to 9°C by late November. The sky is clear or mostly clear about 17% of the time across fall, and the air most often feels dry.

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

Avg daytime high
16°C
2nd-warmest season
Avg overnight low
8°C
Precipitation
166 mm
31 wet days
Avg wind
13 km/h
Travel score
4.5
2nd-best season
Months
Sep · Oct · Nov

Temperature in Brétigny-sur-Orge in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 23°C in early September to 9°C by late November.

A typical fall day in Brétigny-sur-Orge reaches about 16°C and drops to 8°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Brétigny-sur-Orge

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 1 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
1
wind chill below the day's low

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

Brétigny-sur-Orge 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 / 5111.10.98.50.8
Feb / 479.71.39.81.3
Mar12° / 4910.50.411.63.1
Apr15° / 489.9013.44.5
May19° / 6411.20155.7
Jun22° / 13°539.9015.86.5
Jul25° / 15°528.8015.57.0
Aug25° / 14°538.5014.27.1
Sep21° / 11°478.1012.46.6
Oct16° / 6111010.54.7
Nov11° / 5911.50.292.3
Dec / 6612.30.98.21.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Brétigny-sur-Orge gets around 166 mm of rain and snow over 31 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 13 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 18 min in early September to 8 h 24 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 2.3 kWh/m².

012345SepOctNov
Planning a trip in fall

Is fall a good time to visit Brétigny-sur-Orge?

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.

4.5
Sightseeing
2nd-best month of the year
1.6
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Brétigny-sur-Orge for sightseeing.

What to pack for Brétigny-sur-Orge in Fall

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

In fall, Brétigny-sur-Orge sees daytime highs around 16°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 31 days see rain.

a warm layerrain gear

UV index in Brétigny-sur-Orge in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brétigny-sur-Orge peaks around June 23 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Brétigny-sur-Orge 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 Brétigny-sur-Orge is worst in April — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1020 µg/m³Jul 2014 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar20Moderate
Apr20Moderate
May17Moderate
Jun16Moderate
Jul13Moderate
Aug14Moderate
Sep15Moderate
Oct15Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Brétigny-sur-Orge?

Brétigny-sur-Orge sits at 48.6°N, 2.3°E, 69 m above sea level, in France. The nearest listed city is Saint-Michel-sur-Orge, 3.0 km away.

Topography around Brétigny-sur-Orge

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Brétigny-sur-Orge.

Within 3 km, the terrain around Brétigny-sur-Orge has only modest variations in elevation — a maximum elevation change of 66 m around an average of 74 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 257 m.

The land around Brétigny-sur-Orge is covered by artificial surfaces (36%) and trees (31%) within 3 km, trees (41%), cropland (26%) and artificial surfaces (23%) within 16 km, and cropland (56%) and trees (31%) within 80 km.

3 km
66 m
16 km
162 m
80 km
257 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Saint-Michel-sur-Orge 3.0 km · Sainte-Geneviève-des-Bois 4.0 km · Morsang-sur-Orge 7.0 km · Savigny-sur-Orge 8.0 km · Grigny 8.0 km · Ris-Orangis 9.0 km · Longjumeau 9.0 km · Viry-Châtillon 9.0 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 Brétigny-sur-Orge (48.6114°, 2.3059°, elevation 69 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.