Soanierana Ivongo weather in September
In September, Soanierana Ivongo sees average daytime highs of 24°C and overnight lows near 19°C, with 144 mm of rain across 22.2 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 10th-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 25% of the time in September, and the air most often feels muggy.
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 Soanierana Ivongo's 2nd-clearest and 7th-windiest month. For the whole year in context, see Soanierana Ivongo's year-round climate.
- Daytime high
- 24°
- 9th warmest
- Overnight low
- 19°
- 3rd coldest
- Rainfall
- 144 mm
- 22.2 wet days
- Daylight
- 11 h 54 min
- 5:39 AM – 5:33 PM
- Cloud cover
- 54%
- 2nd clearest
- Wind
- 9 km/h
- 7th windiest
- Solar energy
- 4.78 kWh/m²
- Travel score
- 5.1
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 24°C through the month.
A typical September day in Soanierana Ivongo reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°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 about 1°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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 19 |
| 2 | 24 | 19 |
| 3 | 24 | 19 |
| 4 | 24 | 19 |
| 5 | 24 | 19 |
| 6 | 24 | 19 |
| 7 | 24 | 19 |
| 8 | 24 | 19 |
| 9 | 24 | 19 |
| 10 | 24 | 19 |
| 11 | 24 | 19 |
| 12 | 24 | 19 |
| 13 | 24 | 19 |
| 14 | 24 | 19 |
| 15 | 24 | 19 |
| 16 | 24 | 19 |
| 17 | 24 | 19 |
| 18 | 24 | 19 |
| 19 | 24 | 19 |
| 20 | 24 | 19 |
| 21 | 24 | 19 |
| 22 | 24 | 19 |
| 23 | 24 | 19 |
| 24 | 24 | 19 |
| 25 | 25 | 19 |
| 26 | 25 | 19 |
| 27 | 25 | 19 |
| 28 | 25 | 19 |
| 29 | 25 | 20 |
| 30 | 25 | 20 |
How September really feels in Soanierana Ivongo
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Soanierana Ivongo weather by month
How September compares with the rest of the year at a glance. September is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 368 | 27.5 | 12.9 | 3.1 |
| Feb | 29° / 24° | 376 | 24.2 | 12.6 | 3.2 |
| Mar | 29° / 24° | 383 | 27.7 | 12.1 | 3.4 |
| Apr | 27° / 23° | 258 | 25.8 | 11.6 | 4.1 |
| May | 26° / 21° | 249 | 24.5 | 11.2 | 4.6 |
| Jun | 24° / 20° | 244 | 26.1 | 11 | 4.4 |
| Jul | 23° / 19° | 278 | 27 | 11.1 | 4.3 |
| Aug | 23° / 19° | 200 | 24.9 | 11.4 | 4.7 |
| Sep | 24° / 19° | 144 | 22.2 | 11.9 | 5.1 |
| Oct | 26° / 20° | 128 | 20.5 | 12.4 | 5.3 |
| Nov | 27° / 22° | 126 | 19.8 | 12.8 | 5.0 |
| Dec | 29° / 23° | 224 | 24.9 | 13 | 3.8 |
Cloud cover in September
The sky is clear or mostly clear about 25% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 35% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.
| 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 (%) | 56 | 56 | 56 | 57 | 57 | 58 | 59 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 65 | 65 | 65 | 65 | 65 |
| Cloudier (%) | 44 | 44 | 44 | 43 | 43 | 42 | 41 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 35 | 35 | 35 | 35 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 56 | 44 |
| 3 | 56 | 44 |
| 4 | 57 | 43 |
| 5 | 57 | 43 |
| 6 | 58 | 42 |
| 7 | 59 | 41 |
| 8 | 58 | 42 |
| 9 | 59 | 41 |
| 10 | 59 | 41 |
| 11 | 59 | 41 |
| 12 | 60 | 40 |
| 13 | 60 | 40 |
| 14 | 60 | 40 |
| 15 | 60 | 40 |
| 16 | 60 | 40 |
| 17 | 60 | 40 |
| 18 | 60 | 40 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 62 | 38 |
| 22 | 62 | 38 |
| 23 | 63 | 37 |
| 24 | 63 | 37 |
| 25 | 63 | 37 |
| 26 | 65 | 35 |
| 27 | 65 | 35 |
| 28 | 65 | 35 |
| 29 | 65 | 35 |
| 30 | 65 | 35 |
Chance of precipitation in September
Soanierana Ivongo gets around 144 mm of rain over 22.2 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 74% and peaks near 81% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 81 | 80 | 80 | 80 | 79 | 79 | 78 | 77 | 77 | 76 | 75 | 75 | 74 | 73 | 73 | 72 | 72 | 71 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 |
| Rain chance (%) | |
|---|---|
| 1 | 81 |
| 2 | 80 |
| 3 | 80 |
| 4 | 80 |
| 5 | 79 |
| 6 | 79 |
| 7 | 78 |
| 8 | 77 |
| 9 | 77 |
| 10 | 76 |
| 11 | 75 |
| 12 | 75 |
| 13 | 74 |
| 14 | 73 |
| 15 | 73 |
| 16 | 72 |
| 17 | 72 |
| 18 | 71 |
| 19 | 70 |
| 20 | 70 |
| 21 | 70 |
| 22 | 70 |
| 23 | 70 |
| 24 | 70 |
| 25 | 71 |
| 26 | 71 |
| 27 | 71 |
| 28 | 71 |
| 29 | 71 |
| 30 | 71 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 39 | 38 | 37 | 36 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 21 | 20 | 19 | 18 | 17 | 16 | 16 |
| Muggy (%) | 60 | 61 | 62 | 63 | 64 | 64 | 65 | 65 | 65 | 65 | 66 | 66 | 67 | 67 | 67 | 68 | 69 | 70 | 71 | 71 | 72 | 73 | 73 | 75 | 75 | 76 | 76 | 76 | 76 | 75 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 1 | 39 | 60 | 0 |
| 2 | 1 | 38 | 61 | 0 |
| 3 | 1 | 37 | 62 | 0 |
| 4 | 1 | 36 | 63 | 0 |
| 5 | 1 | 35 | 64 | 0 |
| 6 | 1 | 35 | 64 | 0 |
| 7 | 1 | 34 | 65 | 0 |
| 8 | 1 | 34 | 65 | 0 |
| 9 | 1 | 34 | 65 | 0 |
| 10 | 1 | 34 | 65 | 0 |
| 11 | 1 | 33 | 66 | 0 |
| 12 | 1 | 33 | 66 | 0 |
| 13 | 1 | 32 | 67 | 0 |
| 14 | 1 | 32 | 67 | 0 |
| 15 | 1 | 31 | 67 | 1 |
| 16 | 1 | 30 | 68 | 1 |
| 17 | 1 | 29 | 69 | 1 |
| 18 | 1 | 28 | 70 | 1 |
| 19 | 1 | 27 | 71 | 1 |
| 20 | 1 | 26 | 71 | 2 |
| 21 | 1 | 25 | 72 | 2 |
| 22 | 1 | 24 | 73 | 2 |
| 23 | 1 | 23 | 73 | 3 |
| 24 | 1 | 21 | 75 | 3 |
| 25 | 1 | 20 | 75 | 4 |
| 26 | 0 | 19 | 76 | 5 |
| 27 | 0 | 18 | 76 | 6 |
| 28 | 0 | 17 | 76 | 7 |
| 29 | 0 | 16 | 76 | 8 |
| 30 | 0 | 16 | 75 | 9 |
Wind in September
Winds average 9 km/h in September.
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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | 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 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in September
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 5:51 AM to 5:27 AM, and sunset from 5:31 PM to 5:35 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) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 5:51 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:29 | 5:28 | 5:27 |
| Sunset (PM) | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:32 | 5:32 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:34 | 5:34 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 5:51 | 5:31 |
| 2 | 11.7 | 5:51 | 5:31 |
| 3 | 11.7 | 5:50 | 5:32 |
| 4 | 11.7 | 5:49 | 5:32 |
| 5 | 11.7 | 5:48 | 5:32 |
| 6 | 11.7 | 5:47 | 5:32 |
| 7 | 11.8 | 5:46 | 5:32 |
| 8 | 11.8 | 5:46 | 5:32 |
| 9 | 11.8 | 5:45 | 5:32 |
| 10 | 11.8 | 5:44 | 5:32 |
| 11 | 11.8 | 5:43 | 5:33 |
| 12 | 11.8 | 5:42 | 5:33 |
| 13 | 11.9 | 5:41 | 5:33 |
| 14 | 11.9 | 5:41 | 5:33 |
| 15 | 11.9 | 5:40 | 5:33 |
| 16 | 11.9 | 5:39 | 5:33 |
| 17 | 11.9 | 5:38 | 5:33 |
| 18 | 11.9 | 5:37 | 5:33 |
| 19 | 12.0 | 5:36 | 5:34 |
| 20 | 12.0 | 5:35 | 5:34 |
| 21 | 12.0 | 5:35 | 5:34 |
| 22 | 12.0 | 5:34 | 5:34 |
| 23 | 12.0 | 5:33 | 5:34 |
| 24 | 12.0 | 5:32 | 5:34 |
| 25 | 12.1 | 5:31 | 5:34 |
| 26 | 12.1 | 5:30 | 5:34 |
| 27 | 12.1 | 5:29 | 5:35 |
| 28 | 12.1 | 5:29 | 5:35 |
| 29 | 12.1 | 5:28 | 5:35 |
| 30 | 12.1 | 5:27 | 5:35 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.78 kWh/m².
For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 6.03 kWh/m² in November across the year — September's 4.78 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) | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.4 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 5.0 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
Hazard calendar for Soanierana Ivongo
None of Soanierana Ivongo's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Soanierana Ivongo sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is September a good time to visit Soanierana Ivongo?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Soanierana Ivongo for sightseeing.
What to pack for Soanierana Ivongo in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Soanierana Ivongo sees daytime highs around 24°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.
Sea temperature near Soanierana Ivongo 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 29°C and coldest in August near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 29 | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 26 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Refreshing | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Warm |
| May | 27 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Warm |
| Aug | 24 | Refreshing |
| Sep | 24 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Soanierana Ivongo in September
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 Soanierana Ivongo peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very 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 | 15 | 14 | 11 | 9 | 7 | 8 | 10 | 11 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Soanierana Ivongo in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Soanierana Ivongo is worst in November — around 27 µg/m³ PM2.5 (moderate), about 4.5× 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 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 11 | 27 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 6 | Good |
| Apr | 6 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 6 | Good |
| Sep | 6 | Good |
| Oct | 11 | Good |
| Nov | 27 | Moderate |
| Dec | 9 | Good |
Where is Soanierana Ivongo?
Soanierana Ivongo sits at 16.9°S, 49.6°E, 117 m above sea level, in Madagascar. The nearest listed city is Ambodifotatra, 29 km away.
Topography around Soanierana Ivongo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Soanierana Ivongo.
Within 3 km, the terrain around Soanierana Ivongo has only modest variations in elevation — a maximum elevation change of 105 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.
The land around Soanierana Ivongo is covered by water (34%) and trees (24%) within 3 km, water (39%) and trees (21%) within 16 km, and trees (45%) and water (40%) within 80 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 Soanierana Ivongo (-16.9167°, 49.5833°, elevation 117 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. 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).