Middelburg weather in September

In September, Middelburg sees average daytime highs of 18°C and overnight lows near 14°C, with 73 mm of rain across 11.9 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 17°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 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 Middelburg's 6th-clearest and 7th-windiest month. For the whole year in context, see Middelburg's year-round climate.

Daytime high
18°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
73 mm
11.9 wet days
Daylight
12 h 24 min
6:28 AM – 6:52 PM
Cloud cover
65%
6th clearest
Wind
18 km/h
7th windiest
Solar energy
3.21 kWh/m²
Travel score
5.5
out of 10

Middelburg is capital city of Zeeland, the Netherlands.

Density
876/km²
people per km²
Founded
1217

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 17°C by the end.

A typical September day in Middelburg reaches about 18°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°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)
11915
21915
31915
41915
51914
61914
71914
81914
91914
101914
111914
121914
131814
141814
151814
161813
171813
181813
191813
201813
211813
221813
231713
241713
251713
261713
271713
281712
291712
301712

How September really feels in Middelburg

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.

Middelburg weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6612.90.88.10.5
Feb / 5410.819.60.7
Mar / 52110.411.51.8
Apr12° / 449.7013.53.3
May16° / 10°5611.1015.34.6
Jun18° / 13°6010.7016.35.7
Jul20° / 15°7412.1015.96.1
Aug21° / 16°7912.5014.46.1
Sep18° / 14°7311.9012.45.5
Oct14° / 10°8113.5010.43.8
Nov10° / 7914.50.28.62.0
Dec / 8214.20.87.70.9

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 21% of September, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24357
34357
44357
54357
64357
74258
84258
94258
104258
114159
124258
134258
144159
154258
164258
174159
184258
194258
204159
214159
224159
234060
243961
253862
263664
273565
283367
293367
303169

Chance of precipitation in September

Any precipitation

Middelburg gets around 73 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 (%)
141
241
341
440
540
640
740
840
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1939
2040
2140
2240
2341
2442
2542
2643
2744
2845
2946
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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14638151
24836150
35035150
45134150
55233150
65332150
75531140
85630140
95630140
105829130
115829130
125929120
136128110
146228100
15632890
16642880
17642880
18652870
19652960
20662950
21663040
22663040
23673030
24673030
25683020
26683020
27683020
28702910
29712810
30712810

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
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light 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 6:04 AM to 6:52 AM, and sunset from 7:27 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:047:27
213.36:057:25
313.36:077:22
413.26:087:20
513.16:107:18
613.16:127:15
713.06:137:13
812.96:157:11
912.96:177:08
1012.86:187:06
1112.76:207:03
1212.76:227:01
1312.66:236:59
1412.56:256:56
1512.56:276:54
1612.46:286:52
1712.36:306:49
1812.36:326:47
1912.26:336:44
2012.16:356:42
2112.16:366:40
2212.06:386:37
2311.96:406:35
2411.86:416:32
2511.86:436:30
2611.76:456:28
2711.66:476:25
2811.66:486:23
2911.56:506:20
3011.46:526:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.21 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.68 kWh/m² in June across the year — September's 3.21 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Middelburg?

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

5.5
Sightseeing
4th-best month of the year
1.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Middelburg for sightseeing.

What to pack for Middelburg in September

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

In September, Middelburg sees daytime highs around 18°C and nights near 14°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Middelburg 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 14 km away) is warmest in August at about 19°C and coldest in February near 6°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
Jan6Bracing
Feb6Bracing
Mar6Bracing
Apr9Bracing
May12Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep18Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Middelburg 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 Middelburg peaks around June 21 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 21UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Middelburg?

Middelburg sits at 51.5°N, 3.6°E, 8 m above sea level, in The Netherlands. The nearest listed city is Vlissingen, 7.0 km away.

GoesTerneuzenKnokke-HeistMaldegemEekloBlankenberge

Topography around Middelburg

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

Within 3 km, the terrain around Middelburg has only modest variations in elevation — a maximum elevation change of 25 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 157 m.

The land around Middelburg is covered by grassland (36%), cropland (23%) and artificial surfaces (23%) within 3 km, water (46%) and cropland (27%) within 16 km, and water (36%) and cropland (25%) within 80 km.

3 km
25 m
16 km
42 m
80 km
157 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Vlissingen 7.0 km · Borssele 12 km · Goes 19 km · Terneuzen 24 km · Knokke-Heist 29 km · Maldegem 35 km · Eeklo 35 km · Blankenberge 39 km

The Netherlands travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 84% of US
price level, 2025
GDP per capita
$73,684
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 624
Religion
none 54%Roman Catholic 20%Protestant 15%other 6%

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 Middelburg (51.5°, 3.6139°, elevation 8 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).