Moorea weather in September

In September, Moorea sees average daytime highs of 25°C and overnight lows near 24°C, with 58 mm of rain across 8.4 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 53% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Moorea's 4th-clearest and 1st-windiest month. For the whole year in context, see Moorea's year-round climate.

Daytime high
25°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
58 mm
8.4 wet days
Daylight
11 h 54 min
5:57 AM – 5:51 PM
Cloud cover
43%
4th clearest
Wind
25 km/h
1st windiest
Solar energy
5.82 kWh/m²
Travel score
7.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Moorea reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62524
72524
82524
92524
102524
112524
122524
132524
142524
152524
162524
172524
182524
192524
202524
212524
222524
232524
242524
252524
262524
272524
282524
292524
302524

Moorea weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°23922.212.94.6
Feb27° / 26°22220.112.64.7
Mar27° / 26°17619.512.15.1
Apr27° / 26°13215.211.65.7
May27° / 25°10613.111.26.3
Jun26° / 25°689.3117.0
Jul25° / 24°478.811.17.4
Aug25° / 24°517.611.47.6
Sep25° / 24°588.411.97.3
Oct26° / 24°10411.812.46.7
Nov26° / 25°12915.912.85.7
Dec27° / 25°26322.3134.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57624
67624
77525
87525
97525
107525
117525
127426
137426
147426
157426
167426
177426
187426
197426
207426
217426
227327
237327
247327
257327
267327
277129
287129
297129
307030

Chance of precipitation in September

Any precipitation

Moorea gets around 58 mm of rain over 8.4 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 29% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
326
426
526
626
725
825
925
1026
1126
1226
1327
1427
1528
1629
1729
1830
1930
2031
2131
2231
2331
2431
2531
2631
2731
2832
2932
3032

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13114739
23114839
33114839
43104839
52104939
62104939
72104939
82104939
9294940
10294940
11294841
12184842
13184743
14184744
15184646
16174547
17074449
18074350
19074251
20074152
21074053
22073954
23073954
24073855
25083854
26083854
27083755
28083755
29083755
30083755

Wind in September

Winds average 25 km/h in September, the windiest month of the year.

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
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:09 AM to 5:44 AM, and sunset from 5:49 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:095:49
211.76:095:49
311.76:085:49
411.76:075:49
511.76:065:49
611.76:055:49
711.86:045:49
811.86:045:50
911.86:035:50
1011.86:025:50
1111.86:015:50
1211.86:005:50
1311.95:595:50
1411.95:585:50
1511.95:575:51
1611.95:575:51
1711.95:565:51
1811.95:555:51
1912.05:545:51
2012.05:535:51
2112.05:525:51
2212.05:515:52
2312.05:505:52
2412.05:505:52
2512.15:495:52
2612.15:485:52
2712.15:475:52
2812.15:465:52
2912.15:455:53
3012.15:445:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.82 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.61 kWh/m² in November across the year — September's 5.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Moorea

In seasonPeak

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

Moorea's rainy season runs November–April, when most of the year's rain falls.

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

Is September a good time to visit Moorea?

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

7.3
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Moorea in September

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

In September, Moorea sees daytime highs around 25°C and nights near 24°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 8 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Moorea in September

The nearest coast averages about 26°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 March at about 29°C and coldest in September near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Moorea in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Moorea peaks around February 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 14UV 16Jun 17UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov15Extreme
Dec14Extreme
Location & terrain

Where is Moorea?

Moorea sits at 17.5°S, 149.8°W, 0 m above sea level, in French Polynesia. The nearest listed city is Faaa, 24 km away.

Topography around Moorea

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

Within 3 km, the terrain around Moorea has large variations in elevation — a maximum elevation change of 1,176 m around an average of 251 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,176 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,792 m.

The land around Moorea is covered by trees (95%) within 3 km, water (84%) within 16 km, and water (91%) within 80 km.

3 km
1,176 m
16 km
1,176 m
80 km
1,792 m
treesgrasslandwater
September weather nearby: Faaa 24 km · Punaauia 27 km · Papeete 28 km · Bora Bora 233 km · Avarua 1,120 km · Alofi 2,127 km · Adamstown 2,205 km · Pago Pago 2,260 km

French Polynesia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / E / F
110 / 220 V · 50 / 60 Hz
GDP per capita
$22,440
2024
Safe drinking water
90%
of population, 2024
Homicide rate
0.4
per 100k, 2009
Income group
High
World Bank
Religion
Protestant 54%Roman Catholic 30%other 10%no religion 6%

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 Moorea (-17.5328°, -149.828°, 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. 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).