Tsiroanomandidy weather in September

In September, Tsiroanomandidy sees average daytime highs of 29°C and overnight lows near 16°C, with 9 mm of rain across 1.5 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 70% 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 12 min by month's end. Set against the rest of the year, September is Tsiroanomandidy's 4th-clearest and 3rd-windiest month. For the whole year in context, see Tsiroanomandidy's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
16°
5th coldest
Rainfall
9 mm
1.5 wet days
Daylight
11 h 54 min
5:53 AM – 5:47 PM
Cloud cover
27%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
6.38 kWh/m²
Travel score
7.2
out of 10

Tsiroanomandidy is city in Madagascar.

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 28°C in the first days to 30°C by the end.

A typical September day in Tsiroanomandidy reaches about 29°C in the afternoon and slips back to 16°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12814
22814
32815
42815
52815
62815
72815
82815
92815
102915
112915
122915
132915
142915
152916
162916
172916
182916
192916
202916
213016
223016
233016
243016
253017
263017
273017
283017
293017
303017

Tsiroanomandidy weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°36026.2133.6
Feb28° / 20°29122.812.63.7
Mar29° / 19°18619.712.14.4
Apr28° / 18°508.811.66.3
May27° / 15°81.811.18.3
Jun26° / 13°30.410.99.0
Jul25° / 13°30.8119.0
Aug27° / 14°20.511.48.7
Sep29° / 16°91.511.97.2
Oct30° / 18°618.612.45.4
Nov30° / 19°14915.812.94.5
Dec29° / 20°27523.513.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2919
3928
4928
5928
6937
7937
8937
9946
10946
11946
12937
13937
14937
15937
16928
17928
18928
19919
20919
21919
229010
239010
249010
259010
269010
279010
289010
299010
309010

Chance of precipitation in September

Any precipitation

Tsiroanomandidy gets around 9 mm of rain over 1.5 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 5% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
83
93
103
113
123
134
144
154
165
175
185
196
206
216
227
238
248
259
2610
2711
2811
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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191810
291810
391810
491810
590910
690910
790910
8891010
9881020
10871120
11871120
12861220
13851230
14841330
15831430
16811540
17801640
18791740
19771850
20761950
21752050
22732160
23712360
24702460
25672571
26652681
27642781
28612991
29603091
305831101

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
39calm
49calm
59calm
69calm
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 6:07 AM to 5:41 AM, and sunset from 5:44 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:075:44
211.66:065:44
311.76:055:45
411.76:045:45
511.76:035:45
611.76:025:45
711.76:015:45
811.86:015:46
911.86:005:46
1011.85:595:46
1111.85:585:46
1211.85:575:46
1311.85:565:46
1411.95:555:47
1511.95:545:47
1611.95:535:47
1711.95:525:47
1811.95:515:47
1911.95:515:48
2012.05:505:48
2112.05:495:48
2212.05:485:48
2312.05:475:48
2412.05:465:48
2512.15:455:49
2612.15:445:49
2712.15:435:49
2812.15:425:49
2912.15:415:49
3012.25:415:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.95 kWh/m² in November across the year — September's 6.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Tsiroanomandidy

In seasonPeak

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

Tsiroanomandidy'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 Tsiroanomandidy?

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

7.2
Sightseeing
5th-best month of the year
8.8
Beach & pool
1st-best month of the year

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

What to pack for Tsiroanomandidy in September

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

In September, Tsiroanomandidy sees daytime highs around 29°C and nights near 16°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Tsiroanomandidy 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 Tsiroanomandidy peaks around February 10 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 10UV 16Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Tsiroanomandidy 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 Tsiroanomandidy is worst in August — around 28 µg/m³ PM2.5 (moderate), about 6.3× the cleanest month (January, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1028 µg/m³Jan 144 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb6Good
Mar6Good
Apr7Good
May16Moderate
Jun22Moderate
Jul27Moderate
Aug28Moderate
Sep19Moderate
Oct17Moderate
Nov9Good
Dec5Good
Location & terrain

Where is Tsiroanomandidy?

Tsiroanomandidy sits at 18.8°S, 46.0°E, 862 m above sea level, in Madagascar. The nearest listed city is Fenoarivo Be, 66 km away.

SoavinandrianaMiandrarivoMiandrivazoFaratsihoArivonimamoAnkazobeImerintsiatosika

Topography around Tsiroanomandidy

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

Within 3 km, the terrain around Tsiroanomandidy has only modest variations in elevation — a maximum elevation change of 147 m around an average of 826 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Tsiroanomandidy is covered by grassland (53%) and cropland (33%) within 3 km, grassland (70%) and cropland (28%) within 16 km, and grassland (85%) within 80 km.

3 km
147 m
16 km
705 m
80 km
1,559 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Fenoarivo Be 66 km · Soavinandriana 85 km · Miandrarivo 104 km · Miandrivazo 105 km · Faratsiho 118 km · Arivonimamo 123 km · Ankazobe 124 km · Imerintsiatosika 136 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 Tsiroanomandidy (-18.7697°, 46.0465°, elevation 862 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).