Flic en Flac weather in September

In September, Flic en Flac sees average daytime highs of 24°C and overnight lows near 21°C, with 15 mm of rain across 2.4 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 48% 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 Flic en Flac's 5th-clearest and 4th-windiest month. For the whole year in context, see Flic en Flac's year-round climate.

Daytime high
24°
10th warmest
Overnight low
21°
2nd coldest
Rainfall
15 mm
2.4 wet days
Daylight
11 h 54 min
6:08 AM – 6:01 PM
Cloud cover
43%
5th clearest
Wind
21 km/h
4th windiest
Solar energy
5.75 kWh/m²
Travel score
8.5
out of 10

Flic en Flac is human settlement in Mauritius.

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 24°C through the month.

A typical September day in Flic en Flac reaches about 24°C in the afternoon and slips back to 21°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 25°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12421
22421
32421
42421
52421
62421
72421
82421
92421
102421
112421
122421
132421
142421
152421
162421
172421
182421
192421
202421
212421
222421
232421
242421
252421
262421
272421
282421
292421
302421

Flic en Flac weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°15816.613.15.3
Feb28° / 26°12815.212.75.0
Mar28° / 25°1001212.15.9
Apr27° / 25°387.711.57.0
May26° / 23°244.211.18.0
Jun24° / 22°10210.88.6
Jul24° / 21°81.710.98.6
Aug23° / 21°11211.38.5
Sep24° / 21°152.411.98.5
Oct25° / 22°163.612.58.1
Nov26° / 23°287.1137.3
Dec27° / 25°7412.213.26.2

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 32% of September, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27921
37921
47921
58020
68020
78020
88020
98020
108020
117921
127921
137921
147921
157822
167822
177921
187921
198020
208020
218020
228020
238020
248020
258119
268119
278119
288119
298020
308020

Chance of precipitation in September

Any precipitation

Flic en Flac gets around 15 mm of rain over 2.4 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
36
46
56
66
77
87
97
108
118
128
139
149
159
169
1710
1810
1910
2010
219
229
239
249
258
268
278
288
298
308

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
112860110
212860110
312760120
412760120
512760120
612661120
712661120
812661120
912661120
1022560130
1122560130
1222560130
1322560130
1422461130
1522461130
1622362130
1722362130
1822262140
1932261140
2032161150
2132160160
2232061160
2322061170
2421962170
2521961180
2621960190
2721861190
2821860200
2921760210
3011759221

Wind in September

Winds average 21 km/h in September.

Across September, daily wind ranges from about 20 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2820breezy
2920breezy
3020breezy

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 6:22 AM to 5:55 AM, and sunset from 5:58 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:225:58
211.66:225:58
311.66:215:58
411.76:205:59
511.76:195:59
611.76:185:59
711.76:175:59
811.76:166:00
911.76:156:00
1011.86:146:00
1111.86:136:00
1211.86:126:01
1311.86:116:01
1411.86:106:01
1511.96:096:01
1611.96:086:01
1711.96:076:02
1811.96:066:02
1911.96:056:02
2012.06:046:02
2112.06:036:03
2212.06:026:03
2312.06:026:03
2412.06:016:03
2512.16:006:03
2612.15:596:04
2712.15:586:04
2812.15:576:04
2912.15:566:04
3012.25:556:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 7.29 kWh/m² in December across the year — September's 5.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Intense
256.1Intense
266.1Intense
276.2Intense
286.2Intense
296.2Intense
306.3Intense
Planning a trip in September

Hazard calendar for Flic en Flac

In seasonPeak

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

Flic en Flac sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Flic en Flac's rainy season runs December–March, 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 Flic en Flac?

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

8.5
Sightseeing
3rd-best month of the year
7.1
Beach & pool
5th-best month of the year

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

What to pack for Flic en Flac in September

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

In September, Flic en Flac sees daytime highs around 24°C and nights near 21°C. Worth packing: light clothes, sun protection and a windbreaker.

light clothessun protectiona windbreaker

Sea temperature near Flic en Flac 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
Jan28Warm
Feb28Tropical
Mar28Warm
Apr27Warm
May27Warm
Jun25Warm
Jul24Refreshing
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Flic en Flac in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Flic en Flac peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeJan 17UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Flic en Flac?

Flic en Flac sits at 20.3°S, 57.4°E, 0 m above sea level, in Mauritius. The nearest listed city is Bambous, 4.0 km away.

BambousTamarinBeau Bassin-Rose HillQuatre BornesVacoas-PhoenixChamarelCurepipeSaint Pierre

Topography around Flic en Flac

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

Within 3 km, the terrain around Flic en Flac has only modest variations in elevation — a maximum elevation change of 126 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 803 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Flic en Flac is covered by water (46%) within 3 km, water (57%) and trees (23%) within 16 km, and water (84%) within 80 km.

3 km
126 m
16 km
803 m
80 km
786 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bambous 4.0 km · Tamarin 5.0 km · Beau Bassin-Rose Hill 11 km · Quatre Bornes 11 km · Vacoas-Phoenix 11 km · Chamarel 16 km · Curepipe 17 km · Saint Pierre 18 km

Mauritius travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$12,991
2025
Happiness
5.9 / 10
World Happiness, 2025
Homicide rate
2.3
per 100k, 2022
Road deaths
12.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Hindu 49%Roman Catholic 26%Muslim 17%other Christian 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 Flic en Flac (-20.278°, 57.372°, 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).