Ouvéa weather in September

In September, Ouvéa sees average daytime highs of 23°C and overnight lows near 22°C, with 63 mm of rain across 6 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Ouvéa's 1st-clearest and 10th-windiest month. For the whole year in context, see Ouvéa's year-round climate.

Daytime high
23°
10th warmest
Overnight low
22°
3rd coldest
Rainfall
63 mm
6 wet days
Daylight
11 h 54 min
5:52 AM – 5:45 PM
Cloud cover
42%
1st clearest
Wind
24 km/h
10th windiest
Solar energy
5.49 kWh/m²
Travel score
7.8
out of 10

Ouvéa is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in Ouvéa reaches about 23°C in the afternoon and slips back to 22°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 24°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

18°20°22°24°26°151015202530
Avg high (°C)Avg low (°C)
12321
22321
32321
42322
52322
62322
72322
82322
92322
102322
112322
122322
132322
142322
152322
162322
172322
182322
192322
202322
212322
222322
232322
242322
252322
262322
272322
282322
292322
302322

Ouvéa weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°14712.913.16.2
Feb27° / 26°15914.812.75.6
Mar27° / 26°19016.912.15.5
Apr26° / 25°13813.111.56.2
May25° / 24°11910.5116.9
Jun24° / 23°777.410.87.3
Jul23° / 22°615.910.97.5
Aug23° / 21°706.411.37.4
Sep23° / 22°63611.97.8
Oct24° / 23°535.812.57.9
Nov25° / 24°656.9137.6
Dec26° / 25°9111.613.26.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26634
36634
46733
56931
66931
76931
87030
97030
107030
117030
127030
137030
147030
157030
167030
177030
186931
196931
206931
216931
226931
236931
246931
256931
266931
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Ouvéa gets around 63 mm of rain over 6 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
121
221
321
421
521
621
721
822
922
1022
1122
1223
1323
1423
1522
1622
1722
1821
1921
2020
2119
2219
2318
2417
2517
2616
2716
2815
2915
3015

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
173631234
273532224
373532224
463533224
563434224
663434224
763335224
863336224
953236224
1053236234
1153237234
1243137244
1343136244
1433236254
1533236254
1633236264
1733236264
1823235274
1923135274
2023135284
2123035284
2223034295
2322934305
2422934305
2522834315
2622734325
2722634325
2822534335
2922434345
3022334356

Wind in September

Winds average 24 km/h in September.

Across September, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 6:06 AM to 5:38 AM, and sunset from 5:41 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:065:41
211.66:055:41
311.66:045:42
411.66:035:42
511.76:025:42
611.76:015:42
711.76:005:43
811.75:595:43
911.75:585:43
1011.85:585:43
1111.85:575:44
1211.85:565:44
1311.85:555:44
1411.85:545:44
1511.95:535:44
1611.95:525:45
1711.95:515:45
1811.95:505:45
1911.95:495:45
2012.05:485:46
2112.05:475:46
2212.05:465:46
2312.05:455:46
2412.05:445:47
2512.15:435:47
2612.15:425:47
2712.15:415:47
2812.15:405:48
2912.15:395:48
3012.25:385:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.49 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.91 kWh/m² in January across the year — September's 5.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Intense
Planning a trip in September

Hazard calendar for Ouvéa

In seasonPeak

None of Ouvéa's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ouvéa sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Ouvéa's rainy season runs December–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Ouvéa?

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

7.8
Sightseeing
2nd-best month of the year
6.0
Beach & pool
8th-best month of the year

September is one of the better times to visit Ouvéa for general sightseeing.

What to pack for Ouvéa in September

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

In September, Ouvéa sees daytime highs around 23°C and nights near 22°C. Worth packing: light clothes, sun protection and a windbreaker. About 6 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Ouvéa in September

The nearest coast averages about 24°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 February at about 28°C and coldest in August near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Warm
Apr27Warm
May26Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct25Warm
Nov26Warm
Dec27Warm

UV index in Ouvéa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ouvéa peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 14UV 15Jul 11UV 6
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr10Very high
May7Very high
Jun7High
Jul6High
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Ouvéa?

Ouvéa sits at 20.7°S, 166.5°E, 0 m above sea level, in New Caledonia. The nearest listed city is Bourail, 148 km away.

BourailDumbéaMont-DoreNoumea

Topography around Ouvéa

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

Within 3 km, the terrain around Ouvéa has only modest variations in elevation — a maximum elevation change of 20 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 42 m; within 80 km, only modest variations in elevation — a maximum elevation change of 92 m.

The land around Ouvéa is covered by trees (49%) and water (43%) within 3 km, water (90%) within 16 km, and water (94%) within 80 km.

3 km
20 m
16 km
42 m
80 km
92 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Bourail 148 km · Dumbéa 168 km · Mont-Dore 179 km · Noumea 181 km · Port Vila 374 km · Kingston 945 km · Sigatoka 1,184 km · Nadi 1,185 km

New Caledonia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
GDP per capita
$29,213
2024
Safe drinking water
97%
of population, 2024
Homicide rate
3.1
per 100k, 2009
Income group
High
World Bank
Religion
Christian 85%unaffiliated 10%Muslim 3%other 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 Ouvéa (-20.6528°, 166.5364°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).