Mölln weather in September

In September, Mölln sees average daytime highs of 18°C and overnight lows near 10°C, with 53 mm of rain across 9.7 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 7th-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 17% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Mölln's 5th-clearest and 8th-windiest month. For the whole year in context, see Mölln's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
53 mm
9.7 wet days
Daylight
12 h 24 min
5:59 AM – 6:24 PM
Cloud cover
67%
5th clearest
Wind
13 km/h
8th windiest
Solar energy
2.86 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 16°C by the end.

A typical September day in Mölln 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 23°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
52012
62011
72011
81911
91911
101911
111911
121911
131911
141911
151810
161810
171810
181810
191810
201810
211810
221710
23179
24179
25179
26179
27179
28169
29169
30169

How September really feels in Mölln

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.

Mölln weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5712.12.77.80.0
Feb / -1°4510.13.39.40.0
Mar / 5010.6211.51.3
Apr13° / 4510.20.313.73.7
May18° / 6010.7015.65.5
Jun20° / 11°6611.6016.75.9
Jul23° / 14°7912.5016.36.3
Aug22° / 13°7412.2014.66.3
Sep18° / 10°539.7012.55.7
Oct13° / 5310.8010.33.5
Nov / 4710.90.88.31.0
Dec / 5812.22.87.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33664
43664
53763
63763
73664
83763
93664
103664
113664
123664
133763
143763
153664
163664
173664
183565
193565
203565
213466
223466
233268
243268
253268
263268
273268
283070
293070
303070

Chance of precipitation in September

Any precipitation

Mölln gets around 53 mm of rain over 9.7 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 33% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
336
435
535
634
733
833
932
1031
1131
1230
1330
1430
1530
1630
1730
1830
1931
2031
2132
2232
2333
2434
2534
2635
2736
2837
2937
3038

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 (%)
169256
270255
371245
472244
573234
674233
774233
875223
976213
1077212
1178202
1279192
1380182
1481172
1583161
1684151
1785141
1886131
1986131
2088120
2188120
2288120
2389110
2489110
2589110
2689110
2789110
2890100
2990100
3090100

Wind in September

Winds average 13 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
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 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 126 minutes over September. Sunrise moves from 5:32 AM to 6:25 AM, and sunset from 7:02 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:327:02
213.45:347:00
313.45:356:57
413.35:376:55
513.25:396:52
613.15:416:50
713.15:436:47
813.05:456:45
912.95:466:42
1012.95:486:39
1112.85:506:37
1212.75:526:34
1312.65:546:32
1412.65:556:29
1512.55:576:27
1612.45:596:24
1712.36:016:22
1812.36:036:19
1912.26:046:16
2012.16:066:14
2112.16:086:11
2212.06:106:09
2311.96:126:06
2411.86:146:04
2511.86:156:01
2611.76:175:59
2711.66:195:56
2811.56:215:54
2911.56:235:51
3011.46:255:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.86 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 5.27 kWh/m² in June across the year — September's 2.86 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.7Moderate
212.6Moderate
222.6Moderate
232.5Moderate
242.5Moderate
252.4Moderate
262.4Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
Planning a trip in September

Is September a good time to visit Mölln?

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

September is a reasonable time to visit Mölln for sightseeing.

What to pack for Mölln in September

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

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

rain gear

Sea temperature near Mölln in September

The nearest coast averages about 16°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 km away) is warmest in August at about 19°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr5Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec4Bracing

UV index in Mölln 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 Mölln peaks around July 11 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 21 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Mölln?

Mölln sits at 53.6°N, 10.7°E, 34 m above sea level, in Germany. The nearest listed city is Lübeck, 28 km away.

Topography around Mölln

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

Within 3 km, the terrain around Mölln has only modest variations in elevation — a maximum elevation change of 68 m around an average of 41 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 117 m; within 80 km, significant variations in elevation — a maximum elevation change of 268 m.

The land around Mölln is covered by trees (57%) within 3 km, cropland (39%) and trees (36%) within 16 km, and cropland (37%) and trees (32%) within 80 km.

3 km
68 m
16 km
117 m
80 km
268 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Lübeck 28 km · Geesthacht 29 km · Bad Oldesloe 30 km · Stockelsdorf 30 km · Ahrensburg 30 km · Reinbek 31 km · Glinde 33 km · Bad Schwartau 33 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 Mölln (53.6207°, 10.6875°, elevation 34 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).