Aachen in Fall

In fall (September, October and November), Aachen sees average daytime highs around 14°C and overnight lows near 7°C, with 199 mm of precipitation over about 36 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 20°C in early September to 7°C by late November. The sky is clear or mostly clear about 16% of the time across fall, and the air most often feels dry.

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

Avg daytime high
14°C
2nd-warmest season
Avg overnight low
7°C
Precipitation
199 mm
36 wet days
Avg wind
14 km/h
Travel score
3.6
2nd-best season
Months
Sep · Oct · Nov

Temperature in Aachen in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 20°C in early September to 7°C by late November.

A typical fall day in Aachen reaches about 14°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 Aachen

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 13 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
13
wind chill below the day's low

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

Aachen 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 / 7413.82.98.20.0
Feb / 6812.54.29.70.3
Mar / 7013.71.911.51.8
Apr13° / 5511.60.213.53.6
May17° / 6612.9015.25.1
Jun20° / 12°7613.1016.25.7
Jul22° / 14°8313.8015.86.1
Aug22° / 14°7912.9014.36.1
Sep18° / 11°6610.9012.45.6
Oct14° / 6511.9010.43.7
Nov / 6913.20.98.71.5
Dec / 8514.63.67.80.2

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Aachen gets around 199 mm of rain and snow over 36 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%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 24 min in early September to 8 h 06 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 2.0 kWh/m².

01234SepOctNov
Planning a trip in fall

Is fall a good time to visit Aachen?

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.

3.6
Sightseeing
2nd-best month of the year
0.7
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Aachen.

What to pack for Aachen in Fall

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

In fall, Aachen sees daytime highs around 14°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 36 days see rain.

a warm layerrain gear

UV index in Aachen 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 Aachen peaks around July 15 at about 6 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 15UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Aachen 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 Aachen is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1315 µg/m³Dec 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug13Moderate
Sep12Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Aachen?

Aachen sits at 50.8°N, 6.1°E, 266 m above sea level, in Germany. The nearest listed city is Würselen, 6.0 km away.

Topography around Aachen

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

Within 3 km, the terrain around Aachen has only modest variations in elevation — a maximum elevation change of 138 m around an average of 189 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, large variations in elevation — a maximum elevation change of 1,018 m.

The land around Aachen is covered by artificial surfaces (45%) and trees (41%) within 3 km, trees (37%) and grassland (31%) within 16 km, and trees (40%), cropland (26%) and grassland (24%) within 80 km.

3 km
138 m
16 km
385 m
80 km
1,018 m
treesgrasslandcroplandartificial surfaceswater
Fall weather nearby: Würselen 6.0 km · Kerkrade 10 km · Stolberg 10 km · Herzogenrath 10 km · Alsdorf 12 km · Heerlen 14 km · Eschweiler 14 km · Übach-Palenberg 16 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Aachen (50.7766°, 6.0834°, elevation 266 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.