Ambohitrolomahitsy weather in September

In September, Ambohitrolomahitsy sees average daytime highs of 22°C and overnight lows near 11°C, with 14 mm of rain across 3.7 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 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Ambohitrolomahitsy's 1st-clearest and 4th-windiest month. For the whole year in context, see Ambohitrolomahitsy's year-round climate.

Daytime high
22°
9th warmest
Overnight low
11°
4th coldest
Rainfall
14 mm
3.7 wet days
Daylight
11 h 54 min
5:47 AM – 5:40 PM
Cloud cover
45%
1st clearest
Wind
11 km/h
4th windiest
Solar energy
5.58 kWh/m²
Travel score
7.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical September day in Ambohitrolomahitsy reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°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)
12010
22010
32011
42011
52011
62011
72111
82111
92111
102111
112111
122111
132111
142111
152211
162211
172211
182211
192211
202211
212211
222211
232211
242212
252212
262312
272312
282312
292312
302312

Ambohitrolomahitsy 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
Jan25° / 17°36424.6134.4
Feb25° / 17°30922.912.64.3
Mar25° / 17°20420.112.15.1
Apr24° / 15°5712.711.66.4
May22° / 13°297.911.16.9
Jun19° / 11°175.710.96.7
Jul18° / 10°175.8116.5
Aug19° / 10°134.511.47.0
Sep22° / 11°143.711.97.7
Oct24° / 13°477.412.47.5
Nov25° / 15°12513.112.96.3
Dec26° / 17°26719.513.15.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55545
65644
75743
85842
95941
106040
116139
126139
136337
146337
156436
166436
176535
186535
196535
206535
216535
226634
236634
246634
256634
266634
276733
286733
296733
306733

Chance of precipitation in September

Any precipitation

Ambohitrolomahitsy gets around 14 mm of rain over 3.7 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 13% and peaks near 15% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
115
215
315
415
515
615
714
814
914
1013
1113
1213
1313
1413
1512
1612
1712
1812
1911
2011
2111
2211
2311
2411
2511
2611
2711
2812
2912
3013

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19370
29370
39280
49280
59190
69190
790100
889110
989110
1088120
1187130
1286140
1385150
1484160
1583170
1682180
1781190
1880200
1979210
2079210
2178220
2278220
2377230
2476231
2576231
2675241
2775241
2875241
2973252
3073252

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 30 minutes over September. Sunrise moves from 6:00 AM to 5:34 AM, and sunset from 5:38 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:005:38
211.65:595:38
311.75:585:38
411.75:585:38
511.75:575:39
611.75:565:39
711.75:555:39
811.85:545:39
911.85:535:39
1011.85:525:39
1111.85:515:40
1211.85:505:40
1311.85:495:40
1411.95:495:40
1511.95:485:40
1611.95:475:40
1711.95:465:41
1811.95:455:41
1911.95:445:41
2012.05:435:41
2112.05:425:41
2212.05:415:42
2312.05:405:42
2412.05:395:42
2512.15:395:42
2612.15:385:42
2712.15:375:42
2812.15:365:43
2912.15:355:43
3012.15:345:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.58 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 6.57 kWh/m² in November across the year — September's 5.58 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.1Intense
Planning a trip in September

Hazard calendar for Ambohitrolomahitsy

In seasonPeak

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

Ambohitrolomahitsy'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 Ambohitrolomahitsy?

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

7.7
Sightseeing
1st-best month of the year
5.0
Beach & pool
4th-best month of the year

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

What to pack for Ambohitrolomahitsy in September

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

In September, Ambohitrolomahitsy sees daytime highs around 22°C and nights near 11°C. Worth packing: sun protection. About 4 days see rain.

sun protection

UV index in Ambohitrolomahitsy 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 Ambohitrolomahitsy peaks around February 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 11UV 16Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Ambohitrolomahitsy 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 Ambohitrolomahitsy is worst in October — around 41 µg/m³ PM2.5 (poor), about 6.3× the cleanest month (January, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateOct 2240 µg/m³Jan 217 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr11Good
May15Moderate
Jun14Moderate
Jul13Moderate
Aug13Moderate
Sep17Moderate
Oct41Poor
Nov36Poor
Dec11Good
Location & terrain

Where is Ambohitrolomahitsy?

Ambohitrolomahitsy sits at 18.7°S, 47.7°E, 1,502 m above sea level, in Madagascar. The nearest listed city is Sadabe, 8.0 km away.

Topography around Ambohitrolomahitsy

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

Within 3 km, the terrain around Ambohitrolomahitsy has only modest variations in elevation — a maximum elevation change of 159 m around an average of 1,419 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,767 m.

The land around Ambohitrolomahitsy is covered by grassland (49%) and cropland (40%) within 3 km, grassland (52%) and cropland (25%) within 16 km, and grassland (65%) within 80 km.

3 km
159 m
16 km
499 m
80 km
1,767 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Sadabe 8.0 km · Ankazondandy 11 km · Ivato 24 km · Manjakandriana 27 km · Antananarivo 28 km · Ambohidratrimo 29 km · Alarobia 30 km · Anjozorobe 39 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 Ambohitrolomahitsy (-18.7°, 47.6833°, elevation 1,502 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).