Heerhugowaard weather in September

In September, Heerhugowaard sees average daytime highs of 17°C and overnight lows near 14°C, with 82 mm of rain across 12.7 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 3rd-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 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 Heerhugowaard's 6th-clearest and 7th-windiest month. For the whole year in context, see Heerhugowaard's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
82 mm
12.7 wet days
Daylight
12 h 24 min
6:23 AM – 6:47 PM
Cloud cover
65%
6th clearest
Wind
21 km/h
7th windiest
Solar energy
3.17 kWh/m²
Travel score
5.1
out of 10

Heerhugowaard is town and former municipality in Dijk en Waard, Netherlands.

Density
1,190/km²
people per km²

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 Heerhugowaard reaches about 17°C in the afternoon and slips back to 14°C overnight — a 4°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 4°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11915
21815
31815
41815
51815
61814
71814
81814
91814
101814
111814
121814
131814
141814
151714
161714
171713
181713
191713
201713
211713
221713
231713
241713
251613
261613
271613
281612
291612
301612

How September really feels in Heerhugowaard

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.

Heerhugowaard weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6813.40.980.4
Feb / 5210.81.49.50.4
Mar / 4910.50.611.51.3
Apr11° / 378.8013.62.7
May14° / 10°509.7015.54.2
Jun17° / 13°5510.3016.55.2
Jul19° / 15°6711.8016.15.9
Aug20° / 16°8512.8014.55.8
Sep17° / 14°8212.7012.45.1
Oct14° / 11°9114.4010.33.5
Nov10° / 7915.50.38.51.8
Dec / 7914.50.97.50.8

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 (%)
14456
24357
34357
44456
54258
64258
74258
84159
94159
104060
113961
124060
133961
143961
153961
163961
173961
183961
193961
203961
213862
223862
233664
243565
253565
263565
273367
283367
293268
303268

Chance of precipitation in September

Any precipitation

Heerhugowaard gets around 82 mm of rain over 12.7 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 43% and peaks near 48% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
243
343
442
542
642
742
842
942
1042
1142
1242
1342
1442
1542
1642
1742
1842
1942
2042
2142
2243
2343
2444
2544
2645
2746
2847
2948
3048

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14639141
24739131
34838131
45037131
55136130
65235130
75334130
85433130
95632120
105731120
115731120
125930110
136129100
146228100
15632890
16652780
17662770
18672760
19672760
20682750
21692740
22682840
23692830
24692830
25702820
26702820
27712810
28722710
29722710
30732610

Wind in September

Winds average 21 km/h in September.

Across September, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120light breeze
220breezy
320breezy
420breezy
520breezy
620breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2922breezy
3022breezy

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 5:57 AM to 6:47 AM, and sunset from 7:24 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:577:24
213.45:587:21
313.36:007:19
413.26:027:17
513.26:047:14
613.16:057:12
713.06:077:09
813.06:097:07
912.96:117:04
1012.86:127:02
1112.86:146:59
1212.76:166:57
1312.66:186:55
1412.56:196:52
1512.56:216:50
1612.46:236:47
1712.36:256:45
1812.36:266:42
1912.26:286:40
2012.16:306:37
2112.16:316:35
2212.06:336:32
2311.96:356:30
2411.86:376:27
2511.86:396:25
2611.76:406:22
2711.66:426:20
2811.66:446:17
2911.56:466:15
3011.46:476:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.17 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.87 kWh/m² in June across the year — September's 3.17 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
103.4Moderate
113.4Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Heerhugowaard?

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

5.1
Sightseeing
4th-best month of the year
1.4
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Heerhugowaard for sightseeing.

What to pack for Heerhugowaard in September

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

In September, Heerhugowaard sees daytime highs around 17°C and nights near 14°C. Worth packing: rain gear and a windbreaker. About 13 days see rain.

rain geara windbreaker

Sea temperature near Heerhugowaard in September

The nearest coast averages about 17°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 16 km away) is warmest in August at about 19°C and coldest in February near 5°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
Feb5Bracing
Mar6Bracing
Apr8Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Heerhugowaard 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 Heerhugowaard peaks around July 14 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Heerhugowaard?

Heerhugowaard sits at 52.7°N, 4.8°E, -1 m above sea level, in The Netherlands. The nearest listed city is Alkmaar, 8.0 km away.

CastricumPurmerendMedemblik

Topography around Heerhugowaard

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

Within 3 km, the terrain around Heerhugowaard has only modest variations in elevation — a maximum elevation change of 16 m around an average of -1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 99 m.

The land around Heerhugowaard is covered by artificial surfaces (33%) and grassland (32%) within 3 km, grassland (52%) and cropland (23%) within 16 km, and water (45%) and grassland (27%) within 80 km.

3 km
16 m
16 km
65 m
80 km
99 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Alkmaar 8.0 km · Bergen 10 km · Heiloo 13 km · Schagen 13 km · Hoorn 15 km · Castricum 18 km · Purmerend 20 km · Medemblik 21 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 Heerhugowaard (52.6714°, 4.8486°, elevation -1 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).