Dinant weather in September

In September, Dinant sees average daytime highs of 18°C and overnight lows near 10°C, with 59 mm of rain across 10.9 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 20°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 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Dinant's 3rd-clearest and 8th-windiest month. For the whole year in context, see Dinant's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
59 mm
10.9 wet days
Daylight
12 h 24 min
6:24 AM – 6:46 PM
Cloud cover
66%
3rd clearest
Wind
13 km/h
8th windiest
Solar energy
3.15 kWh/m²
Travel score
5.6
out of 10

Dinant is town in Dinant 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 20°C in the first days to 17°C by the end.

A typical September day in Dinant reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32011
42011
51911
61911
71911
81911
91911
101911
111911
121911
131910
141810
151810
161810
171810
181810
191810
201810
211810
221810
23179
24179
25179
26179
27179
28179
29169
30169

How September really feels in Dinant

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.

Dinant weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 73132.68.30.0
Feb / 6812.43.49.70.4
Mar10° / 6713.21.711.51.9
Apr14° / 58120.213.53.6
May17° / 6913.2015.24.9
Jun20° / 11°7112.1016.15.8
Jul22° / 13°7512.4015.76.3
Aug22° / 13°8212.1014.36.2
Sep18° / 10°5910.9012.45.6
Oct14° / 6312010.53.7
Nov / 6612.80.88.81.5
Dec / 8214.62.87.90.2

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 16% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53565
63565
73565
83466
93466
103565
113466
123466
133664
143565
153565
163565
173664
183664
193664
203565
213664
223664
233565
243565
253466
263466
273169
283169
292971
302971

Chance of precipitation in September

Any precipitation

Dinant gets around 59 mm of rain over 10.9 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 37% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
335
435
535
635
736
836
936
1037
1137
1237
1337
1437
1537
1636
1736
1837
1937
2037
2137
2237
2337
2437
2538
2639
2739
2840
2941
3042

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1632971
2632971
3662860
4672760
5672760
6682660
7692650
8702550
9712450
10722350
11732250
12762040
13771940
14791740
15801640
16821530
17831430
18841330
19851230
20861220
21861220
22861220
23871210
24871210
25861310
26861310
27861310
28851410
29861400
30861400

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over September. Sunrise moves from 6:00 AM to 6:46 AM, and sunset from 7:20 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:007:20
213.36:027:18
313.26:037:16
413.16:057:13
513.16:067:11
613.06:087:09
712.96:097:06
812.96:117:04
912.86:137:02
1012.86:147:00
1112.76:166:57
1212.66:176:55
1312.66:196:53
1412.56:206:50
1512.46:226:48
1612.46:246:46
1712.36:256:44
1812.26:276:41
1912.26:286:39
2012.16:306:37
2112.06:316:34
2212.06:336:32
2311.96:356:30
2411.96:366:27
2511.86:386:25
2611.76:396:23
2711.76:416:20
2811.66:426:18
2911.56:446:16
3011.56:466:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.15 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 5.37 kWh/m² in June across the year — September's 3.15 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
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 Dinant?

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

5.6
Sightseeing
4th-best month of the year
2.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Dinant for sightseeing.

What to pack for Dinant in September

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

In September, Dinant sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Dinant 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 Dinant peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Dinant in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Dinant is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1218 µg/m³Dec 1011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar17Moderate
Apr18Moderate
May15Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Dinant?

Dinant sits at 50.3°N, 4.9°E, 0 m above sea level, in Belgium. The nearest listed city is Jambes, 22 km away.

JambesNamurAndenneMarche-en-FamenneChâteletChâtelineauWalcourtMontignies-sur-Sambre

Topography around Dinant

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

Within 3 km, the terrain around Dinant has only modest variations in elevation — a maximum elevation change of 197 m around an average of 189 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 262 m; within 80 km, large variations in elevation — a maximum elevation change of 739 m.

The land around Dinant is covered by trees (38%), cropland (29%) and grassland (22%) within 3 km, trees (46%), cropland (27%) and grassland (23%) within 16 km, and trees (43%), grassland (27%) and cropland (25%) within 80 km.

3 km
197 m
16 km
262 m
80 km
739 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Jambes 22 km · Namur 23 km · Andenne 29 km · Marche-en-Famenne 31 km · Châtelet 32 km · Châtelineau 33 km · Walcourt 34 km · Montignies-sur-Sambre 34 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 Dinant (50.2581°, 4.9117°, elevation 0 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).