Ambalavao weather in September

In September, Ambalavao sees average daytime highs of 23°C and overnight lows near 12°C, with 14 mm of rain across 4.5 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 50% 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 Ambalavao's 1st-clearest and 1st-windiest month. For the whole year in context, see Ambalavao's year-round climate.

Daytime high: 23°; 8th warmest
Overnight low: 12°; 4th coldest
Rainfall: 14 mm; 4.5 wet days
Daylight: 11 h 54 min; 5:50 AM – 5:43 PM
Cloud cover: 39%; 1st clearest
Wind: 10 km/h; 1st windiest
Solar energy: 5.88 kWh/m²
Travel score: 7.9; out of 10

← August Ambalavao year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical September day in Ambalavao reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	21	21	21	21	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23	23	24	24	24	24
Avg low (°C)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13

	Avg high (°C)	Avg low (°C)
1	21	11
2	21	11
3	21	11
4	21	11
5	22	11
6	22	11
7	22	11
8	22	11
9	22	11
10	22	11
11	22	11
12	22	11
13	22	11
14	22	11
15	23	12
16	23	12
17	23	12
18	23	12
19	23	12
20	23	12
21	23	12
22	23	12
23	23	12
24	23	12
25	23	12
26	23	12
27	24	12
28	24	13
29	24	13
30	24	13

Ambalavao weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 18°	271	24.2	13.2	4.5
Feb	25° / 18°	214	20.9	12.8	4.6
Mar	25° / 17°	147	19.2	12.2	5.4
Apr	24° / 16°	53	12.1	11.5	6.7
May	22° / 13°	26	6.8	11	7.3
Jun	20° / 11°	18	5.2	10.7	7.2
Jul	19° / 10°	24	6.6	10.8	6.8
Aug	20° / 10°	12	3.9	11.3	7.5
Sep	23° / 12°	14	4.5	11.9	7.9
Oct	25° / 14°	45	9.1	12.5	7.4
Nov	26° / 16°	92	14.5	13	6.0
Dec	26° / 17°	190	20.3	13.3	5.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 27%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	69	69	70	70	71	72	72	72	73	74	74	75	74	75	75	75	75	75	75	75	74	74	74	74	74	74	73	73	73	72
Cloudier (%)	31	31	30	30	29	28	28	28	27	26	26	25	26	25	25	25	25	25	25	25	26	26	26	26	26	26	27	27	27	28

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	70	30
4	70	30
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	75	25
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	75	25
20	75	25
21	74	26
22	74	26
23	74	26
24	74	26
25	74	26
26	74	26
27	73	27
28	73	27
29	73	27
30	72	28

Chance of precipitation in September

Any precipitation

Ambalavao gets around 14 mm of rain over 4.5 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 15% and peaks near 20% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	14	15	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	15	15	15	15	15	16	16	17	17	18	18	19	20

	Rain chance (%)
1	14
2	15
3	15
4	15
5	15
6	15
7	15
8	15
9	15
10	14
11	14
12	14
13	14
14	14
15	14
16	14
17	14
18	15
19	15
20	15
21	15
22	15
23	16
24	16
25	17
26	17
27	18
28	18
29	19
30	20

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	91	90	90	89	88	88	87	86	85	84	82	81	79	78	76	74	73	71	70	69	68	66	65	64	63	62	62	60	59	59
Comfortable (%)	9	10	10	11	12	12	13	14	15	16	18	19	21	22	24	26	27	29	30	31	32	34	35	35	36	37	37	38	39	39
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	2

	Dry (%)	Comfortable (%)	Humid (%)
1	91	9	0
2	90	10	0
3	90	10	0
4	89	11	0
5	88	12	0
6	88	12	0
7	87	13	0
8	86	14	0
9	85	15	0
10	84	16	0
11	82	18	0
12	81	19	0
13	79	21	0
14	78	22	0
15	76	24	0
16	74	26	0
17	73	27	0
18	71	29	0
19	70	30	0
20	69	31	0
21	68	32	0
22	66	34	0
23	65	35	0
24	64	35	1
25	63	36	1
26	62	37	1
27	62	37	1
28	60	38	2
29	59	39	2
30	59	39	2

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	10	calm
29	10	calm
30	10	calm

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 6:05 AM to 5:36 AM, and sunset from 5:39 PM to 5:47 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.6	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.2	12.2
Sunrise (AM)	6:05	6:04	6:03	6:02	6:01	6:00	5:59	5:58	5:57	5:56	5:55	5:54	5:53	5:52	5:51	5:50	5:49	5:48	5:47	5:46	5:45	5:44	5:43	5:42	5:41	5:40	5:39	5:38	5:37	5:36
Sunset (PM)	5:39	5:39	5:39	5:40	5:40	5:40	5:40	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:44	5:44	5:44	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:47	5:47

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	6:05	5:39
2	11.6	6:04	5:39
3	11.6	6:03	5:39
4	11.6	6:02	5:40
5	11.6	6:01	5:40
6	11.7	6:00	5:40
7	11.7	5:59	5:40
8	11.7	5:58	5:41
9	11.7	5:57	5:41
10	11.7	5:56	5:41
11	11.8	5:55	5:42
12	11.8	5:54	5:42
13	11.8	5:53	5:42
14	11.8	5:52	5:42
15	11.9	5:51	5:43
16	11.9	5:50	5:43
17	11.9	5:49	5:43
18	11.9	5:48	5:43
19	11.9	5:47	5:44
20	12.0	5:46	5:44
21	12.0	5:45	5:44
22	12.0	5:44	5:45
23	12.0	5:43	5:45
24	12.0	5:42	5:45
25	12.1	5:41	5:45
26	12.1	5:40	5:46
27	12.1	5:39	5:46
28	12.1	5:38	5:46
29	12.2	5:37	5:47
30	12.2	5:36	5:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.88 kWh/m².

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 6.57 kWh/m² in November across the year — September's 5.88 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.3	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.7	5.7	5.7	5.8	5.8	5.8	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.3	6.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.3	Bright
2	5.4	Bright
3	5.4	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.6	Bright
8	5.6	Bright
9	5.7	Bright
10	5.7	Bright
11	5.7	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.9	Bright
16	5.9	Bright
17	5.9	Bright
18	6.0	Bright
19	6.0	Bright
20	6.0	Intense
21	6.0	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.3	Intense
30	6.3	Intense

Planning a trip in September

Hazard calendar for Ambalavao

In seasonPeak

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

Ambalavao'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 Ambalavao?

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

7.9

Sightseeing

1st-best month of the year

5.8

Beach & pool

2nd-best month of the year

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

What to pack for Ambalavao in September

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

In September, Ambalavao sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Ambalavao in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ambalavao peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 6 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	16	13	10	7	6	7	8	9	12	13	15
Level	Extreme	Extreme	Extreme	Extreme	Very high	High	High	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	16	Extreme
Mar	13	Extreme
Apr	10	Extreme
May	7	Very high
Jun	6	High
Jul	7	High
Aug	8	Very high
Sep	9	Very high
Oct	12	Extreme
Nov	13	Extreme
Dec	15	Extreme

Air quality in Ambalavao 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 Ambalavao is worst in October — around 22 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (February, 6 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	6	6	7	10	15	15	15	15	14	22	16	10
Level	Good	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good

	PM2.5 (µg/m³)	Level
Jan	6	Good
Feb	6	Good
Mar	7	Good
Apr	10	Good
May	15	Moderate
Jun	15	Moderate
Jul	15	Moderate
Aug	15	Moderate
Sep	14	Moderate
Oct	22	Moderate
Nov	16	Moderate
Dec	10	Good

Location & terrain

Where is Ambalavao?

Ambalavao sits at 21.8°S, 46.9°E, 1,009 m above sea level, in Madagascar. The nearest listed city is Fianarantsoa, 45 km away.

Topography around Ambalavao

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

Within 3 km, the terrain around Ambalavao has only modest variations in elevation — a maximum elevation change of 140 m around an average of 969 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,185 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,594 m.

The land around Ambalavao is covered by grassland (57%) and cropland (35%) within 3 km, grassland (75%) and cropland (23%) within 16 km, and grassland (69%) within 80 km.

3 km

140 m

grassland 57%

16 km

1,185 m

grassland 75%

80 km

2,594 m

grassland 69%

treesshrubsgrasslandcroplandartificial surfaces

← August Ambalavao year-round climate October →Best places to visit in September

September weather nearby: Fianarantsoa 45 km · Ikongo 52 km · Ivohibe 72 km · Ikalamavony 84 km · Ifanadiana 94 km · Amboanjo 96 km · Ihosy 105 km · Vohipeno 109 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

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 Ambalavao (-21.8333°, 46.9333°, elevation 1,009 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).

	Avg high (°C)	Avg low (°C)
1	21	11
2	21	11
3	21	11
4	21	11
5	22	11
6	22	11
7	22	11
8	22	11
9	22	11
10	22	11
11	22	11
12	22	11
13	22	11
14	22	11
15	23	12
16	23	12
17	23	12
18	23	12
19	23	12
20	23	12
21	23	12
22	23	12
23	23	12
24	23	12
25	23	12
26	23	12
27	24	12
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	70	30
4	70	30
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	75	25
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	75	25
20	75	25
21	74	26
22	74	26
23	74	26
24	74	26
25	74	26
26	74	26
27	73	27
28	73	27
29	73	27
30	72	28

	Rain chance (%)
1	14
2	15
3	15
4	15
5	15
6	15
7	15
8	15
9	15
10	14
11	14
12	14
13	14
14	14
15	14
16	14
17	14
18	15
19	15
20	15
21	15
22	15
23	16
24	16
25	17
26	17
27	18
28	18
29	19
30	20

	Dry (%)	Comfortable (%)	Humid (%)
1	91	9	0
2	90	10	0
3	90	10	0
4	89	11	0
5	88	12	0
6	88	12	0
7	87	13	0
8	86	14	0
9	85	15	0
10	84	16	0
11	82	18	0
12	81	19	0
13	79	21	0
14	78	22	0
15	76	24	0
16	74	26	0
17	73	27	0
18	71	29	0
19	70	30	0
20	69	31	0
21	68	32	0
22	66	34	0
23	65	35	0
24	64	35	1
25	63	36	1
26	62	37	1
27	62	37	1
28	60	38	2
29	59	39	2
30	59	39	2

	Avg high (°C)	Avg low (°C)
1	21	11
2	21	11
3	21	11
4	21	11
5	22	11
6	22	11
7	22	11
8	22	11
9	22	11
10	22	11
11	22	11
12	22	11
13	22	11
14	22	11
15	23	12
16	23	12
17	23	12
18	23	12
19	23	12
20	23	12
21	23	12
22	23	12
23	23	12
24	23	12
25	23	12
26	23	12
27	24	12
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	70	30
4	70	30
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	75	25
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	75	25
20	75	25
21	74	26
22	74	26
23	74	26
24	74	26
25	74	26
26	74	26
27	73	27
28	73	27
29	73	27
30	72	28

	Rain chance (%)
1	14
2	15
3	15
4	15
5	15
6	15
7	15
8	15
9	15
10	14
11	14
12	14
13	14
14	14
15	14
16	14
17	14
18	15
19	15
20	15
21	15
22	15
23	16
24	16
25	17
26	17
27	18
28	18
29	19
30	20

	Dry (%)	Comfortable (%)	Humid (%)
1	91	9	0
2	90	10	0
3	90	10	0
4	89	11	0
5	88	12	0
6	88	12	0
7	87	13	0
8	86	14	0
9	85	15	0
10	84	16	0
11	82	18	0
12	81	19	0
13	79	21	0
14	78	22	0
15	76	24	0
16	74	26	0
17	73	27	0
18	71	29	0
19	70	30	0
20	69	31	0
21	68	32	0
22	66	34	0
23	65	35	0
24	64	35	1
25	63	36	1
26	62	37	1
27	62	37	1
28	60	38	2
29	59	39	2
30	59	39	2

	Avg high (°C)	Avg low (°C)
1	21	11
2	21	11
3	21	11
4	21	11
5	22	11
6	22	11
7	22	11
8	22	11
9	22	11
10	22	11
11	22	11
12	22	11
13	22	11
14	22	11
15	23	12
16	23	12
17	23	12
18	23	12
19	23	12
20	23	12
21	23	12
22	23	12
23	23	12
24	23	12
25	23	12
26	23	12
27	24	12
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	70	30
4	70	30
5	71	29
6	72	28
7	72	28
8	72	28
9	73	27
10	74	26
11	74	26
12	75	25
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	75	25
20	75	25
21	74	26
22	74	26
23	74	26
24	74	26
25	74	26
26	74	26
27	73	27
28	73	27
29	73	27
30	72	28

	Rain chance (%)
1	14
2	15
3	15
4	15
5	15
6	15
7	15
8	15
9	15
10	14
11	14
12	14
13	14
14	14
15	14
16	14
17	14
18	15
19	15
20	15
21	15
22	15
23	16
24	16
25	17
26	17
27	18
28	18
29	19
30	20

	Dry (%)	Comfortable (%)	Humid (%)
1	91	9	0
2	90	10	0
3	90	10	0
4	89	11	0
5	88	12	0
6	88	12	0
7	87	13	0
8	86	14	0
9	85	15	0
10	84	16	0
11	82	18	0
12	81	19	0
13	79	21	0
14	78	22	0
15	76	24	0
16	74	26	0
17	73	27	0
18	71	29	0
19	70	30	0
20	69	31	0
21	68	32	0
22	66	34	0
23	65	35	0
24	64	35	1
25	63	36	1
26	62	37	1
27	62	37	1
28	60	38	2
29	59	39	2
30	59	39	2