Odense weather in September

In September, Odense sees average daytime highs of 17°C and overnight lows near 10°C, with 51 mm of rain across 10.1 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 17% 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 24 min by month's end. Set against the rest of the year, September is Odense's 6th-clearest and 7th-windiest month. For the whole year in context, see Odense's year-round climate.

Daytime high
17°
4th warmest
Overnight low
10°
9th coldest
Rainfall
51 mm
10.1 wet days
Daylight
12 h 24 min
5:59 AM – 6:26 PM
Cloud cover
68%
6th clearest
Wind
17 km/h
7th windiest
Solar energy
3.02 kWh/m²
Travel score
5.4
out of 10

Odense is main city of the island of Funen, Denmark.

Air quality
Good
PM10 20.3 µg/m³ · 2019
Density
592/km²
people per km²
Founded
1355

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 15°C by the end.

A typical September day in Odense reaches about 17°C in the afternoon and slips back to 10°C overnight — a 7°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 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11912
21912
31912
41912
51912
61911
71911
81911
91811
101811
111811
121811
131811
141811
151811
161710
171710
181710
191710
201710
211710
221710
231610
241610
251610
26169
27169
28169
29159
30159

How September really feels in Odense

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.

Odense weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°47113.57.50.0
Feb / -0°389.13.49.20.0
Mar / 41101.911.40.8
Apr12° / 4210.20.413.82.9
May16° / 5410.8015.95.0
Jun19° / 11°6911.6017.15.8
Jul22° / 13°7011.9016.66.3
Aug21° / 13°7012.2014.86.2
Sep17° / 10°5110.1012.55.4
Oct12° / 5410.9010.13.2
Nov / 4410.50.88.11.1
Dec / 4810.52.16.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23565
33565
43664
53664
63664
73664
83664
93763
103763
113664
123664
133466
143466
153367
163466
173466
183466
193367
203268
213268
223367
233367
243367
253367
263367
273268
283268
293367
303367

Chance of precipitation in September

Any precipitation

Odense gets around 51 mm of rain over 10.1 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 34% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
439
539
638
738
837
936
1036
1135
1234
1334
1433
1532
1632
1731
1831
1931
2030
2130
2230
2330
2431
2531
2632
2732
2833
2934
3034

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 (%)Muggy (%)
1662941
2682930
3692830
4692830
5712720
6712720
7722620
8722620
9732520
10742420
11752320
12772210
13782110
14801910
15811810
16821710
17831610
18841510
19851410
20861400
21871300
22871300
23881200
24881200
25891100
26891100
27891100
28901000
29901000
3091900

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
317light 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
2717light breeze
2817light breeze
2917light breeze
3018light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 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 132 minutes over September. Sunrise moves from 5:30 AM to 6:27 AM, and sunset from 7:06 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:307:06
213.55:327:04
313.55:347:01
413.45:366:58
513.35:386:56
613.25:406:53
713.15:426:50
813.15:446:48
913.05:466:45
1012.95:486:42
1112.85:506:40
1212.85:516:37
1312.75:536:34
1412.65:556:32
1512.55:576:29
1612.45:596:26
1712.46:016:24
1812.36:036:21
1912.26:056:18
2012.16:076:15
2112.16:096:13
2212.06:116:10
2311.96:136:07
2411.86:156:05
2511.76:176:02
2611.76:195:59
2711.66:215:56
2811.56:235:54
2911.46:255:51
3011.46:275:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.02 kWh/m².

For context, solar energy here swings from a low near 0.4 kWh/m² to a high of 6.06 kWh/m² in June across the year — September's 3.02 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.6Moderate
242.6Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Odense?

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

5.4
Sightseeing
4th-best month of the year
1.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Odense for sightseeing.

What to pack for Odense in September

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

In September, Odense sees daytime highs around 17°C and nights near 10°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Odense 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 25 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
Nov8Bracing
Dec4Bracing

UV index in Odense 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 Odense peaks around June 20 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 20UV 6Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Odense?

Odense sits at 55.4°N, 10.4°E, 17 m above sea level, in Denmark. The nearest listed city is Nyborg, 27 km away.

NyborgSvendborgMiddelfartFredericiaKalundborgKoldingHaderslevHedensted

Topography around Odense

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

Within 3 km, the terrain around Odense has only modest variations in elevation — a maximum elevation change of 48 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 129 m; within 80 km, only modest variations in elevation — a maximum elevation change of 197 m.

The land around Odense is covered by artificial surfaces (52%) and trees (33%) within 3 km, cropland (42%), trees (21%) and grassland (21%) within 16 km, and water (49%) and cropland (29%) within 80 km.

3 km
48 m
16 km
129 m
80 km
197 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Nyborg 27 km · Svendborg 40 km · Middelfart 43 km · Fredericia 44 km · Kalundborg 54 km · Kolding 59 km · Haderslev 59 km · Hedensted 60 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 Odense (55.3959°, 10.3883°, elevation 17 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).