Cuxhaven weather in September

In September, Cuxhaven sees average daytime highs of 17°C and overnight lows near 13°C, with 93 mm of rain across 13.4 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 19% 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 Cuxhaven's 6th-clearest and 7th-windiest month. For the whole year in context, see Cuxhaven's year-round climate.

Daytime high
17°
4th warmest
Overnight low
13°
9th coldest
Rainfall
93 mm
13.4 wet days
Daylight
12 h 24 min
6:07 AM – 6:32 PM
Cloud cover
65%
6th clearest
Wind
18 km/h
7th windiest
Solar energy
2.88 kWh/m²
Travel score
4.9
out of 10

Cuxhaven is Wikimedia duplicated page of Q4197.

Air quality
Good
PM10 15.2 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 16°C by the end.

A typical September day in Cuxhaven reaches about 17°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11914
21914
31914
41914
51814
61814
71814
81814
91814
101813
111813
121813
131813
141713
151713
161713
171713
181713
191712
201712
211712
221612
231612
241612
251612
261612
271612
281611
291511
301511

How September really feels in Cuxhaven

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.

Cuxhaven weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8214.92.47.70.0
Feb / 6211.72.59.40.0
Mar / 6311.91.611.50.9
Apr11° / 5110.80.213.72.7
May15° / 10°6611.9015.74.3
Jun18° / 13°8914.1016.75.1
Jul20° / 15°10114.5016.35.6
Aug20° / 16°10815.3014.65.6
Sep17° / 13°9313.4012.54.9
Oct13° / 9614.7010.23.1
Nov / 8314.50.48.31.2
Dec / 8714.82.47.20.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44159
54159
64159
74159
84060
94060
104060
114060
123961
133961
143961
153961
163961
174060
184060
193961
203961
213961
223862
233862
243763
253664
263664
273565
283565
293565
303466

Chance of precipitation in September

Any precipitation

Cuxhaven gets around 93 mm of rain over 13.4 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 46% and peaks near 51% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
151
251
351
450
550
649
748
848
947
1047
1146
1246
1345
1444
1544
1643
1742
1842
1942
2042
2142
2242
2343
2444
2544
2645
2746
2847
2948
3049

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1543691
2543691
3563581
4573580
5593470
6593470
7603370
8623260
9633160
10643060
11662950
12672850
13702640
14712540
15732430
16752230
17772120
18782020
19791920
20801910
21811810
22811810
23811810
24831700
25831700
26841600
27841600
28841600
29851500
30851500

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2919light breeze
3019light 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 5:39 AM to 6:33 AM, and sunset from 7:10 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:397:10
213.45:417:08
313.45:437:05
413.35:457:03
513.25:477:00
613.25:496:58
713.15:506:55
813.05:526:53
912.95:546:50
1012.95:566:48
1112.85:586:45
1212.75:596:43
1312.66:016:40
1412.66:036:37
1512.56:056:35
1612.46:076:32
1712.36:096:30
1812.36:106:27
1912.26:126:24
2012.16:146:22
2112.16:166:19
2212.06:186:17
2311.96:206:14
2411.86:226:12
2511.86:236:09
2611.76:256:06
2711.66:276:04
2811.56:296:01
2911.56:315:59
3011.46:335:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.88 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 5.34 kWh/m² in June across the year — September's 2.88 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.3Moderate
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
252.5Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.2Moderate
Planning a trip in September

Is September a good time to visit Cuxhaven?

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

4.9
Sightseeing
4th-best month of the year
1.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Cuxhaven for sightseeing.

What to pack for Cuxhaven in September

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

In September, Cuxhaven sees daytime highs around 17°C and nights near 13°C. Pack rain gear. About 13 days see rain.

rain gear

Sea temperature near Cuxhaven 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 offshore is warmest in August at about 19°C and coldest in February near 3°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun16Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Cuxhaven 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 Cuxhaven peaks around July 21 at about 5 (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 21UV 5Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Cuxhaven?

Cuxhaven sits at 53.9°N, 8.7°E, 3 m above sea level, in Germany. The nearest listed city is Langen, 30 km away.

BremervördeWilhelmshavenItzehoe

Topography around Cuxhaven

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

Within 3 km, the terrain around Cuxhaven has only modest variations in elevation — a maximum elevation change of 33 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 201 m.

The land around Cuxhaven is covered by water (38%), artificial surfaces (24%) and grassland (22%) within 3 km, water (61%) within 16 km, and water (38%) and grassland (31%) within 80 km.

3 km
33 m
16 km
49 m
80 km
201 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Langen 30 km · Bremerhaven 36 km · Nordenham 43 km · Loxstedt 44 km · Heide 45 km · Bremervörde 52 km · Wilhelmshaven 53 km · Itzehoe 54 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 Cuxhaven (53.8683°, 8.699°, elevation 3 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).