Detmold weather in September

In September, Detmold sees average daytime highs of 18°C and overnight lows near 10°C, with 65 mm of rain across 10.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 18% 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 24 min by month's end. Set against the rest of the year, September is Detmold's 4th-clearest and 8th-windiest month. For the whole year in context, see Detmold's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
65 mm
10.8 wet days
Daylight
12 h 24 min
6:07 AM – 6:31 PM
Cloud cover
67%
4th clearest
Wind
12 km/h
8th windiest
Solar energy
2.94 kWh/m²
Travel score
5.6
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 16°C by the end.

A typical September day in Detmold reaches about 18°C in the afternoon and slips back to 10°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°20°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52011
62011
72011
82011
91911
101911
111911
121911
131911
141911
151910
161810
171810
181810
191810
201810
211810
221810
231710
24179
25179
26179
27179
28169
29169
30169

How September really feels in Detmold

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.

Detmold weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°771448.10.0
Feb / 6012.24.49.60.1
Mar / 6613.32.111.51.6
Apr14° / 5311.30.413.63.7
May18° / 6211.5015.45.3
Jun21° / 12°6612016.45.9
Jul23° / 14°7613.10166.2
Aug23° / 13°7412.7014.46.2
Sep18° / 10°6510.8012.45.6
Oct13° / 7013010.43.5
Nov / 6712.81.28.61.2
Dec / 7814.33.87.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23268
33268
43367
53367
63367
73565
83664
93664
103664
113565
123565
133565
143664
153664
163664
173664
183565
193565
203565
213565
223565
233565
243466
253367
263367
273268
283268
293070
303070

Chance of precipitation in September

Any precipitation

Detmold gets around 65 mm of rain over 10.8 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 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
239
339
439
539
639
739
839
939
1039
1138
1238
1337
1437
1536
1635
1735
1834
1934
2034
2134
2234
2335
2435
2536
2638
2739
2840
2941
3042

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172226
272226
373225
473225
574224
674224
774224
875223
976213
1076213
1177203
1279192
1380182
1481172
1582162
1683152
1785141
1886131
1987121
2087121
2188111
2288111
2390100
2490100
2590100
269190
279190
289190
299190
309190

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

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

Days shrink by about 120 minutes over September. Sunrise moves from 5:42 AM to 6:31 AM, and sunset from 7:07 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:427:07
213.35:437:04
313.35:457:02
413.25:477:00
513.15:496:57
613.15:506:55
713.05:526:52
812.95:546:50
912.95:556:48
1012.85:576:45
1112.75:596:43
1212.76:006:40
1312.66:026:38
1412.56:046:36
1512.56:056:33
1612.46:076:31
1712.36:096:28
1812.36:106:26
1912.26:126:23
2012.16:146:21
2112.16:156:19
2212.06:176:16
2311.96:196:14
2411.86:216:11
2511.86:226:09
2611.76:246:06
2711.66:266:04
2811.66:276:02
2911.56:295:59
3011.46:315:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.94 kWh/m².

For context, solar energy here swings from a low near 0.55 kWh/m² to a high of 5.21 kWh/m² in June across the year — September's 2.94 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.6Moderate
242.6Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Detmold?

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

5.6
Sightseeing
4th-best month of the year
2.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Detmold for sightseeing.

What to pack for Detmold in September

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

In September, Detmold sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Detmold 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 Detmold peaks around July 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Detmold?

Detmold sits at 51.9°N, 8.9°E, 135 m above sea level, in Germany. The nearest listed city is Lage, 8.0 km away.

Topography around Detmold

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

Within 3 km, the terrain around Detmold has only modest variations in elevation — a maximum elevation change of 237 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 390 m; within 80 km, large variations in elevation — a maximum elevation change of 851 m.

The land around Detmold is covered by trees (44%) and artificial surfaces (24%) within 3 km, trees (46%) and cropland (30%) within 16 km, and cropland (43%) and trees (36%) within 80 km.

3 km
237 m
16 km
390 m
80 km
851 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Lage 8.0 km · Lemgo 10 km · Leopoldshöhe 15 km · Oerlinghausen 15 km · Blomberg 15 km · Bad Lippspringe 18 km · Bad Salzuflen 19 km · Hövelhof 20 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 Detmold (51.9385°, 8.8732°, elevation 135 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).