Narbonne weather in September

In September, Narbonne sees average daytime highs of 25°C and overnight lows near 15°C, with 85 mm of rain across 7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Narbonne's 4th-clearest and 11th-windiest month. For the whole year in context, see Narbonne's year-round climate.

Daytime high
25°
4th warmest
Overnight low
15°
9th coldest
Rainfall
85 mm
7 wet days
Daylight
12 h 18 min
6:34 AM – 6:51 PM
Cloud cover
45%
4th clearest
Wind
13 km/h
11th windiest
Solar energy
4.49 kWh/m²
Travel score
7.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 23°C by the end.

A typical September day in Narbonne reaches about 25°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52617
62616
72616
82616
92616
102616
112616
122516
132516
142515
152515
162515
172415
182415
192415
202415
212415
222415
232314
242314
252314
262314
272314
282314
292314
302214

Narbonne weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 668.49.22.9
Feb12° / 496.410.23.5
Mar15° / 587.211.65.1
Apr18° / 678.713.16.0
May21° / 13°608.314.46.9
Jun26° / 16°315.115.17.7
Jul29° / 19°223.714.96.9
Aug29° / 18°355.613.86.6
Sep25° / 15°85712.37.5
Oct20° / 12°11910.810.86.2
Nov15° / 889.89.54.5
Dec12° / 618.48.93.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
47030
57030
67030
77030
86931
96931
106832
116832
126733
136634
146634
156535
166535
176337
186337
196238
206238
216139
226139
236040
246040
255941
265842
275842
285743
295743
305743

Chance of precipitation in September

Any precipitation

Narbonne gets around 85 mm of rain over 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 24% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
118
218
319
419
520
620
720
821
921
1022
1122
1223
1323
1423
1524
1624
1724
1825
1925
2025
2125
2226
2326
2426
2527
2627
2728
2828
2928
3029

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1362521171
2372521161
3382521151
4392521150
5392521140
6402621130
7402621130
8402621120
9412621120
10412721110
11412721110
12412721110
13422820100
14422820100
15422819100
16432919100
1744291890
1844291790
1945301790
2045301680
2146301580
2247311580
2347311570
2447311470
2548311470
2649301470
2749301460
2851291460
2951291460
3053281450

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light 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
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

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

Days shrink by about 84 minutes over September. Sunrise moves from 6:17 AM to 6:50 AM, and sunset from 7:19 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:177:19
213.06:187:17
312.96:197:15
412.96:207:13
512.86:217:12
612.86:227:10
712.76:237:08
812.76:257:06
912.66:267:04
1012.66:277:02
1112.56:287:00
1212.56:296:59
1312.46:306:57
1412.46:316:55
1512.36:326:53
1612.36:346:51
1712.26:356:49
1812.26:366:47
1912.16:376:45
2012.16:386:43
2112.06:396:42
2212.06:406:40
2311.96:426:38
2411.96:436:36
2511.86:446:34
2611.86:456:32
2711.76:466:30
2811.76:476:29
2911.66:496:27
3011.66:506:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.49 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.91 kWh/m² in July across the year — September's 4.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Narbonne?

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

7.5
Sightseeing
2nd-best month of the year
6.5
Beach & pool
4th-best month of the year

September is one of the better times to visit Narbonne for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Narbonne in September

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

In September, Narbonne sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near Narbonne in September

The nearest coast averages about 20°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 30 to Sep 19 — about 2.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep20Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Narbonne in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Narbonne peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Narbonne?

Narbonne sits at 43.2°N, 3.0°E, 11 m above sea level, in France. The nearest listed city is Béziers, 25 km away.

Topography around Narbonne

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

Within 3 km, the terrain around Narbonne has only modest variations in elevation — a maximum elevation change of 106 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 290 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,833 m.

The land around Narbonne is covered by artificial surfaces (38%) and grassland (23%) within 3 km, trees (23%), grassland (21%) and cropland (21%) within 16 km, and trees (45%) and water (22%) within 80 km.

3 km
106 m
16 km
290 m
80 km
1,833 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Béziers 25 km · Agde 41 km · Carcassonne 53 km · Perpignan 55 km · Sète 61 km · Frontignan 68 km · Castres 77 km · Lattes 84 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Narbonne (43.184°, 3.0014°, elevation 11 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).