Düren weather in September

In September, Düren sees average daytime highs of 18°C and overnight lows near 11°C, with 61 mm of rain across 11 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Düren's 3rd-clearest and 8th-windiest month. For the whole year in context, see Düren's year-round climate.

Daytime high
18°
4th warmest
Overnight low
11°
9th coldest
Rainfall
61 mm
11 wet days
Daylight
12 h 24 min
6:17 AM – 6:40 PM
Cloud cover
64%
3rd clearest
Wind
12 km/h
8th windiest
Solar energy
3.13 kWh/m²
Travel score
5.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 17°C by the end.

A typical September day in Düren reaches about 18°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
81911
91911
101911
111911
121911
131911
141911
151911
161911
171811
181811
191810
201810
211810
221810
231810
241710
251710
261710
271710
281710
291710
301610

How September really feels in Düren

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

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

Düren weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6212.82.98.20.0
Feb / 5711.74.19.70.3
Mar10° / 6212.81.811.51.9
Apr14° / 5011.20.213.53.7
May18° / 6412015.25.2
Jun20° / 12°7312.6016.25.8
Jul23° / 14°8012.8015.86.3
Aug22° / 14°7913014.36.2
Sep18° / 11°6111012.45.7
Oct14° / 5911.4010.43.8
Nov / 6112.30.98.71.5
Dec / 7314.23.47.80.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53763
63763
73763
83763
93763
103862
113862
123862
133862
143961
153961
163961
173961
183961
193961
203961
213961
223961
233862
243763
253763
263565
273565
283367
293367
303169

Chance of precipitation in September

Any precipitation

Düren gets around 61 mm of rain over 11 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
338
437
537
637
737
837
937
1037
1137
1237
1337
1437
1536
1636
1736
1836
1936
2036
2137
2237
2337
2437
2537
2638
2738
2839
2940
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169247
270246
370246
472235
572235
673234
774224
874224
976213
1076213
1177203
1278193
1380182
1481172
1582162
1682162
1783152
1885141
1985141
2086131
2186131
2287121
2387121
2487121
2588111
2689110
2789110
2889110
2989110
3089110

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over September. Sunrise moves from 5:53 AM to 6:40 AM, and sunset from 7:14 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:537:14
213.35:557:12
313.25:567:10
413.25:587:08
513.15:597:05
613.06:017:03
713.06:037:01
812.96:046:58
912.86:066:56
1012.86:076:54
1112.76:096:51
1212.66:116:49
1312.66:126:47
1412.56:146:44
1512.46:156:42
1612.46:176:40
1712.36:196:37
1812.26:206:35
1912.26:226:33
2012.16:236:30
2112.06:256:28
2212.06:276:26
2311.96:286:23
2411.96:306:21
2511.86:316:19
2611.76:336:16
2711.76:356:14
2811.66:366:12
2911.56:386:09
3011.56:406:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.13 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.33 kWh/m² in June across the year — September's 3.13 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.4Moderate
Planning a trip in September

Is September a good time to visit Düren?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.7
Sightseeing
4th-best month of the year
2.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Düren for sightseeing.

What to pack for Düren in September

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

In September, Düren sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Düren in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Düren peaks around July 13 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 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Düren in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Düren is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1415 µg/m³Dec 109 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Düren?

Düren sits at 50.8°N, 6.5°E, 142 m above sea level, in Germany. The nearest listed city is Eschweiler, 16 km away.

Topography around Düren

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

Within 3 km, the terrain around Düren has only modest variations in elevation — a maximum elevation change of 63 m around an average of 133 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, large variations in elevation — a maximum elevation change of 1,018 m.

The land around Düren is covered by cropland (35%), artificial surfaces (32%) and trees (26%) within 3 km, cropland (43%) and trees (29%) within 16 km, and trees (44%), grassland (23%) and cropland (22%) within 80 km.

3 km
63 m
16 km
737 m
80 km
1,018 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Eschweiler 16 km · Elsdorf 16 km · Jülich 16 km · Kerpen 16 km · Zülpich 17 km · Stolberg 19 km · Bergheim 20 km · Erftstadt 21 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 Düren (50.8043°, 6.493°, elevation 142 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).