Horsens weather in September

In September, Horsens sees average daytime highs of 17°C and overnight lows near 11°C, with 61 mm of rain across 11.5 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 16% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Horsens's 6th-clearest and 7th-windiest month. For the whole year in context, see Horsens's year-round climate.

Daytime high
17°
4th warmest
Overnight low
11°
10th coldest
Rainfall
61 mm
11.5 wet days
Daylight
12 h 30 min
6:01 AM – 6:29 PM
Cloud cover
70%
6th clearest
Wind
17 km/h
7th windiest
Solar energy
2.87 kWh/m²
Travel score
4.8
out of 10

Horsens is city in Horsens Municipality, Denmark.

Density
323/km²
people per km²
Founded
1200

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 15°C by the end.

A typical September day in Horsens reaches about 17°C in the afternoon and slips back to 11°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11812
21812
31812
41812
51812
61811
71811
81811
91711
101711
111711
121711
131711
141711
151711
161611
171610
181610
191610
201610
211610
221610
231610
241510
251510
261510
27159
28159
29159
30149

How September really feels in Horsens

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.

Horsens weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°5812.33.77.40.0
Feb / -1°4810.53.79.20.0
Mar / 4710.52.311.40.5
Apr10° / 439.30.313.82.5
May15° / 5510.70164.4
Jun18° / 11°6811.1017.25.5
Jul20° / 13°6811.6016.76.1
Aug20° / 13°7212.6014.85.9
Sep17° / 11°6111.5012.54.8
Oct12° / 6612.30.110.12.9
Nov / 5611.60.981.0
Dec / 5911.92.56.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53466
63565
73466
83466
93466
103367
113367
123268
133268
143169
153268
163169
173169
183070
193070
202971
212971
222872
232971
242971
252971
263070
272971
282971
292971
303070

Chance of precipitation in September

Any precipitation

Horsens gets around 61 mm of rain over 11.5 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 39% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
343
443
543
642
742
842
942
1041
1141
1240
1340
1439
1539
1638
1737
1837
1936
2036
2136
2235
2335
2436
2536
2637
2737
2838
2939
3039

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
165314
266313
367303
468302
569292
670282
770282
871272
973261
1074251
1175241
1276231
1377221
1478211
1580191
1681181
1782171
1883161
1985150
2086140
2187130
2287130
2388120
2488120
2589110
2690100
2790100
289190
299190
309280

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 138 minutes over September. Sunrise moves from 5:31 AM to 6:30 AM, and sunset from 7:09 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:317:09
213.65:337:07
313.55:357:04
413.45:377:01
513.35:396:59
613.25:416:56
713.25:436:53
813.15:456:51
913.05:476:48
1012.95:496:45
1112.95:516:42
1212.85:536:40
1312.75:556:37
1412.65:576:34
1512.55:596:31
1612.56:016:29
1712.46:036:26
1812.36:056:23
1912.26:076:20
2012.16:096:18
2112.16:116:15
2212.06:136:12
2311.96:156:09
2411.86:176:07
2511.76:196:04
2611.76:216:01
2711.66:235:58
2811.56:255:56
2911.46:275:53
3011.36:305:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.87 kWh/m².

For context, solar energy here swings from a low near 0.39 kWh/m² to a high of 5.86 kWh/m² in June across the year — September's 2.87 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.6Moderate
212.6Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.1Moderate
Planning a trip in September

Is September a good time to visit Horsens?

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

4.8
Sightseeing
4th-best month of the year
0.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Horsens for sightseeing.

What to pack for Horsens in September

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

In September, Horsens sees daytime highs around 17°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Horsens in September

The nearest coast averages about 15°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 17 km away) is warmest in August at about 18°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°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr5Bracing
May11Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec4Bracing

UV index in Horsens in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Horsens peaks around June 22 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Horsens?

Horsens sits at 55.9°N, 9.9°E, 4 m above sea level, in Denmark. The nearest listed city is Hedensted, 14 km away.

VejleFredericiaVibySilkeborgAarhusMiddelfartTilst

Topography around Horsens

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

Within 3 km, the terrain around Horsens has only modest variations in elevation — a maximum elevation change of 61 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 192 m; within 80 km, only modest variations in elevation — a maximum elevation change of 185 m.

The land around Horsens is covered by artificial surfaces (34%), grassland (21%) and trees (20%) within 3 km, cropland (48%) within 16 km, and cropland (37%) and water (27%) within 80 km.

3 km
61 m
16 km
192 m
80 km
185 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Hedensted 14 km · Vejle 26 km · Fredericia 33 km · Viby 35 km · Silkeborg 39 km · Aarhus 40 km · Middelfart 40 km · Tilst 40 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Horsens (55.8607°, 9.8503°, 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).