Andilamena weather in September

In September, Andilamena sees average daytime highs of 23°C and overnight lows near 13°C, with 7 mm of rain across 2.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 28% of the time in September, and the air most often feels comfortable.

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 Andilamena's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Andilamena's year-round climate.

Daytime high
23°
9th warmest
Overnight low
13°
3rd coldest
Rainfall
7 mm
2.5 wet days
Daylight
11 h 54 min
5:43 AM – 5:37 PM
Cloud cover
55%
2nd clearest
Wind
14 km/h
3rd windiest
Solar energy
5.15 kWh/m²
Travel score
8.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical September day in Andilamena reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°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)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102313
112313
122313
132313
142313
152313
162313
172313
182314
192314
202314
212314
222414
232414
242414
252414
262414
272414
282414
292414
302414

Andilamena weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°30123.912.94.2
Feb27° / 19°26821.712.64.3
Mar27° / 19°17718.612.15.1
Apr26° / 18°37911.66.7
May24° / 16°204.811.27.6
Jun22° / 14°113.8117.3
Jul21° / 13°144.211.17.1
Aug21° / 13°113.711.47.3
Sep23° / 13°72.511.98.0
Oct25° / 15°223.912.47.9
Nov27° / 17°538.112.86.7
Dec28° / 19°18716.7135.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44357
54555
64555
74555
84654
94753
104852
114951
125050
135050
145149
155248
165347
175347
185545
195545
205644
215644
225743
235743
245842
255842
265842
275842
285842
295941
305941

Chance of precipitation in September

Any precipitation

Andilamena gets around 7 mm of rain over 2.5 wet days in September, the driest month. 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 11% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
111
211
311
411
511
611
711
810
910
1010
1110
129
139
148
158
168
177
187
197
206
216
226
236
246
256
266
277
287
297
308

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
145532
244542
343552
442562
541563
640573
740573
839583
939583
1039583
1138593
1237603
1337594
1436604
1535614
1634624
1733625
1832635
1931645
2030655
2129656
2228666
2327667
2426677
2524688
2623689
27226810
28226711
29216712
30216613

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 5:56 AM to 5:31 AM, and sunset from 5:35 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:565:35
211.75:555:35
311.75:545:36
411.75:535:36
511.75:525:36
611.75:515:36
711.85:515:36
811.85:505:36
911.85:495:36
1011.85:485:36
1111.85:475:37
1211.85:465:37
1311.95:455:37
1411.95:455:37
1511.95:445:37
1611.95:435:37
1711.95:425:37
1811.95:415:37
1912.05:405:38
2012.05:395:38
2112.05:395:38
2212.05:385:38
2312.05:375:38
2412.05:365:38
2512.15:355:38
2612.15:345:38
2712.15:335:39
2812.15:335:39
2912.15:325:39
3012.15:315:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 6.36 kWh/m² in November across the year — September's 5.15 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
Planning a trip in September

Hazard calendar for Andilamena

In seasonPeak

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

Andilamena's monsoon runs December–March, when most of the year's rain falls.

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

Is September a good time to visit Andilamena?

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

8.0
Sightseeing
1st-best month of the year
6.2
Beach & pool
5th-best month of the year

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

What to pack for Andilamena in September

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

In September, Andilamena sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Andilamena 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 Andilamena peaks around February 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 11UV 16Jun 19UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Andilamena in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Andilamena is worst in November — around 43 µg/m³ PM2.5 (poor), about 7.4× the cleanest month (January, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1440 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun7Good
Jul7Good
Aug7Good
Sep8Good
Oct22Moderate
Nov43Poor
Dec10Good
Location & terrain

Where is Andilamena?

Andilamena sits at 17.0°S, 48.6°E, 933 m above sea level, in Madagascar. The nearest listed city is Imerimandroso, 47 km away.

AmbatondrazakaFenoarivo AtsinananaTsaratanana

Topography around Andilamena

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

Within 3 km, the terrain around Andilamena has only modest variations in elevation — a maximum elevation change of 96 m around an average of 924 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,524 m.

The land around Andilamena is covered by cropland (54%) and grassland (29%) within 3 km, grassland (70%) within 16 km, and grassland (58%) and trees (29%) within 80 km.

3 km
96 m
16 km
514 m
80 km
1,524 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Imerimandroso 47 km · Vohibinany 62 km · Ambodimanga II 69 km · Amparafaravola 74 km · Vavatenina 84 km · Ambatondrazaka 93 km · Fenoarivo Atsinanana 98 km · Tsaratanana 101 km

Madagascar travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$599
2025
Happiness
4.2 / 10
World Happiness, 2025
Safe drinking water
22%
of population, 2024
Road deaths
29.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 457
Religion
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

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 Andilamena (-17.0101°, 48.5731°, elevation 933 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).