Bourail weather in September

In September, Bourail sees average daytime highs of 25°C and overnight lows near 16°C, with 45 mm of rain across 5.4 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 34% of the time in September, and the air most often feels comfortable.

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 Bourail's 1st-clearest and 7th-windiest month. For the whole year in context, see Bourail's year-round climate.

Daytime high
25°
9th warmest
Overnight low
16°
3rd coldest
Rainfall
45 mm
5.4 wet days
Daylight
11 h 54 min
5:56 AM – 5:49 PM
Cloud cover
53%
1st clearest
Wind
8 km/h
7th windiest
Solar energy
5.27 kWh/m²
Travel score
7.6
out of 10

Bourail is human settlement in France.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical September day in Bourail reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112515
122515
132515
142516
152516
162516
172516
182516
192516
202516
212516
222516
232616
242616
252616
262616
272616
282616
292616
302616

How September really feels in Bourail

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.

Bourail weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°1481613.24.4
Feb30° / 22°15817.612.74.0
Mar29° / 22°18618.812.24.4
Apr27° / 20°11513.411.55.8
May25° / 18°898.9116.8
Jun24° / 16°766.910.77.3
Jul23° / 15°63610.87.4
Aug23° / 15°726.511.37.4
Sep25° / 16°455.411.97.6
Oct27° / 17°426.712.57.0
Nov28° / 19°738.6136.0
Dec29° / 20°10713.613.34.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25446
35545
45545
55545
65644
75644
85743
95743
105842
115842
125743
135743
145644
155644
165545
175545
185644
195644
205545
215545
225644
235644
245743
255743
265743
275743
285743
295941
305941

Chance of precipitation in September

Any precipitation

Bourail gets around 45 mm of rain over 5.4 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
120
219
319
419
519
618
719
819
919
1019
1119
1219
1319
1419
1519
1619
1719
1819
1919
2019
2119
2218
2318
2417
2517
2617
2716
2816
2916
3016

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13137248
23038248
33039247
43040237
52941237
62942237
72842237
82843227
92744227
102644237
112644237
122544237
132545237
142544237
152544247
162444247
172444247
182444248
192444248
202344248
212344249
222344249
232243259
2422432510
2522432510
2622422510
2722422611
2821412611
2921412712
3020402712

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:11 AM to 5:42 AM, and sunset from 5:45 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:115:45
211.66:105:45
311.66:095:45
411.66:085:45
511.66:075:46
611.76:065:46
711.76:055:46
811.76:045:47
911.76:035:47
1011.86:025:47
1111.86:015:47
1211.86:005:48
1311.85:595:48
1411.85:585:48
1511.95:575:48
1611.95:565:49
1711.95:555:49
1811.95:545:49
1911.95:535:49
2012.05:525:50
2112.05:515:50
2212.05:505:50
2312.05:495:51
2412.05:485:51
2512.15:475:51
2612.15:465:51
2712.15:455:52
2812.15:445:52
2912.25:435:52
3012.25:425:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 6.33 kWh/m² in November across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
Planning a trip in September

Hazard calendar for Bourail

In seasonPeak

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

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

Bourail'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 Bourail?

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

7.6
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Bourail in September

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

In September, Bourail sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Bourail in September

The nearest coast averages about 23°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 14 km away) is warmest in February at about 27°C and coldest in August near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May25Warm
Jun24Warm
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Refreshing
Nov25Warm
Dec26Warm

UV index in Bourail 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 Bourail peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 10UV 6
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Bourail?

Bourail sits at 21.6°S, 165.5°E, 0 m above sea level, in New Caledonia. The nearest listed city is Dumbéa, 119 km away.

DumbéaNoumeaMont-DoreOuvéa

Topography around Bourail

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

Within 3 km, the terrain around Bourail has significant variations in elevation — a maximum elevation change of 424 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,091 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,492 m.

The land around Bourail is covered by trees (54%) and grassland (36%) within 3 km, trees (60%) and grassland (22%) within 16 km, and water (55%) and trees (36%) within 80 km.

3 km
424 m
16 km
1,091 m
80 km
1,492 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Dumbéa 119 km · Noumea 126 km · Mont-Dore 135 km · Ouvéa 148 km · Port Vila 518 km · Kingston 869 km · Sigatoka 1,312 km · Nadi 1,316 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 Bourail (-21.5669°, 165.4974°, 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).