Middelkerke weather in September

In September, Middelkerke sees average daytime highs of 18°C and overnight lows near 15°C, with 80 mm of rain across 11.9 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 16°C by the end. The sky is clear or mostly clear about 22% 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 Middelkerke's 6th-clearest and 7th-windiest month. For the whole year in context, see Middelkerke's year-round climate.

Daytime high
18°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
80 mm
11.9 wet days
Daylight
12 h 24 min
6:32 AM – 6:55 PM
Cloud cover
63%
6th clearest
Wind
22 km/h
7th windiest
Solar energy
3.3 kWh/m²
Travel score
5.3
out of 10

Middelkerke is town in Middelkerke municipality, Belgium.

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 18°C in the first days to 16°C by the end.

A typical September day in Middelkerke reaches about 18°C in the afternoon and slips back to 15°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 20°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11916
21916
31916
41816
51816
61816
71815
81815
91815
101815
111815
121815
131815
141815
151815
161815
171815
181715
191714
201714
211714
221714
231714
241714
251714
261714
271714
281714
291614
301614

How September really feels in Middelkerke

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.

Middelkerke weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7614.20.88.20.8
Feb / 6311.91.19.60.7
Mar / 5611.50.611.51.5
Apr11° / 4610013.52.5
May14° / 11°5510.6015.33.8
Jun16° / 14°5810.2016.35.1
Jul19° / 16°6811.5015.95.9
Aug19° / 17°7811.9014.46.0
Sep18° / 15°8011.9012.45.3
Oct15° / 12°9814.6010.43.8
Nov11° / 10315.70.28.72.2
Dec / 9815.50.77.71.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24654
34654
44555
54555
64654
74654
84555
94555
104456
114456
124456
134456
144357
154456
164357
174357
184357
194258
204258
214258
224159
234159
244159
254060
263961
273862
283763
293763
303565

Chance of precipitation in September

Any precipitation

Middelkerke gets around 80 mm of rain over 11.9 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 41% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
139
239
339
439
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2041
2141
2241
2341
2442
2542
2643
2744
2845
2945
3046

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 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14439161
24538161
34737161
44836150
54935150
65035150
75134150
85233150
95233150
105432140
115432140
125631130
135731120
145831110
155931100
166030100
17613090
18623080
19633070
20633160
21643150
22643150
23653140
24663130
25663130
26673120
27683020
28683020
29702910
30702910

Wind in September

Winds average 22 km/h in September.

Across September, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2723breezy
2823breezy
2923breezy
3023breezy

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 6:07 AM to 6:55 AM, and sunset from 7:30 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:077:30
213.36:097:27
313.26:107:25
413.26:127:23
513.16:147:20
613.06:157:18
713.06:177:16
812.96:197:13
912.86:207:11
1012.86:227:09
1112.76:237:06
1212.76:257:04
1312.66:277:02
1412.56:286:59
1512.56:306:57
1612.46:326:55
1712.36:336:52
1812.36:356:50
1912.26:366:47
2012.16:386:45
2112.16:406:43
2212.06:416:40
2311.96:436:38
2411.86:456:36
2511.86:466:33
2611.76:486:31
2711.66:506:29
2811.66:516:26
2911.56:536:24
3011.46:556:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.3 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.77 kWh/m² in June across the year — September's 3.3 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.2Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Middelkerke?

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

5.3
Sightseeing
3rd-best month of the year
1.6
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Middelkerke for sightseeing.

What to pack for Middelkerke in September

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

In September, Middelkerke sees daytime highs around 18°C and nights near 15°C. Worth packing: rain gear and a windbreaker. About 12 days see rain.

rain geara windbreaker

Sea temperature near Middelkerke in September

The nearest coast averages about 18°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 15 km away) is warmest in August at about 19°C and coldest in February near 7°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep18Cool
Oct15Cool
Nov12Bracing
Dec10Bracing

UV index in Middelkerke 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 Middelkerke peaks around June 22 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Middelkerke?

Middelkerke sits at 51.2°N, 2.8°E, 4 m above sea level, in Belgium. The nearest listed city is Ostend, 8.0 km away.

DiksmuideZedelgemTorhoutSint-AndriesBlankenbergeBruges

Topography around Middelkerke

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

Within 3 km, the terrain around Middelkerke has only modest variations in elevation — a maximum elevation change of 17 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, significant variations in elevation — a maximum elevation change of 336 m.

The land around Middelkerke is covered by water (39%), cropland (25%) and grassland (21%) within 3 km, water (48%) and cropland (24%) within 16 km, and cropland (36%) and water (33%) within 80 km.

3 km
17 m
16 km
43 m
80 km
336 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Ostend 8.0 km · Koksijde 15 km · Diksmuide 17 km · Zedelgem 23 km · Torhout 24 km · Sint-Andries 25 km · Blankenberge 26 km · Bruges 28 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

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 Middelkerke (51.1853°, 2.8208°, elevation 4 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).