Ntoum weather in September
In September, Ntoum sees average daytime highs of 28°C and overnight lows near 23°C, with 162 mm of rain across 23.3 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Ntoum's 8th-clearest and 3rd-windiest month. For the whole year in context, see Ntoum's year-round climate.
- Daytime high
- 28°
- 9th warmest
- Overnight low
- 23°
- 4th coldest
- Rainfall
- 162 mm
- 23.3 wet days
- Daylight
- 12 hours
- 6:15 AM – 6:15 PM
- Cloud cover
- 85%
- 8th clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 3.74 kWh/m²
- Travel score
- 4.0
- out of 10
Ntoum is city in Gabon.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 28°C through the month.
A typical September day in Ntoum reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and on par with 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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 23 |
| 2 | 28 | 23 |
| 3 | 28 | 23 |
| 4 | 28 | 23 |
| 5 | 28 | 23 |
| 6 | 28 | 23 |
| 7 | 28 | 23 |
| 8 | 28 | 23 |
| 9 | 28 | 23 |
| 10 | 28 | 23 |
| 11 | 28 | 23 |
| 12 | 28 | 23 |
| 13 | 28 | 23 |
| 14 | 28 | 23 |
| 15 | 28 | 23 |
| 16 | 28 | 23 |
| 17 | 28 | 23 |
| 18 | 28 | 23 |
| 19 | 28 | 23 |
| 20 | 28 | 23 |
| 21 | 28 | 23 |
| 22 | 28 | 23 |
| 23 | 28 | 23 |
| 24 | 28 | 23 |
| 25 | 28 | 23 |
| 26 | 28 | 23 |
| 27 | 28 | 23 |
| 28 | 28 | 23 |
| 29 | 28 | 23 |
| 30 | 28 | 23 |
How September really feels in Ntoum
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.
Ntoum weather by month
How September compares with the rest of the year at a glance. September is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 248 | 29.6 | 12 | 2.8 |
| Feb | 30° / 24° | 240 | 26.6 | 12 | 2.7 |
| Mar | 30° / 24° | 298 | 29.7 | 12 | 2.6 |
| Apr | 30° / 24° | 270 | 27.7 | 12 | 2.7 |
| May | 30° / 24° | 230 | 27.6 | 12 | 3.0 |
| Jun | 28° / 23° | 80 | 12.8 | 12 | 5.3 |
| Jul | 27° / 22° | 35 | 7.5 | 12 | 6.4 |
| Aug | 27° / 22° | 42 | 9.3 | 12 | 6.0 |
| Sep | 28° / 23° | 162 | 23.3 | 12 | 4.0 |
| Oct | 29° / 23° | 368 | 30.4 | 12 | 2.9 |
| Nov | 29° / 23° | 388 | 29.7 | 12 | 2.8 |
| Dec | 29° / 24° | 308 | 30.3 | 12 | 2.9 |
Cloud cover in September
The sky is clear or mostly clear about 0% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 96%.
| 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 (%) | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Cloudier (%) | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 4 | 96 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 5 | 95 |
| 6 | 5 | 95 |
| 7 | 5 | 95 |
| 8 | 5 | 95 |
| 9 | 5 | 95 |
| 10 | 5 | 95 |
| 11 | 5 | 95 |
| 12 | 5 | 95 |
| 13 | 5 | 95 |
| 14 | 4 | 96 |
| 15 | 4 | 96 |
| 16 | 4 | 96 |
| 17 | 4 | 96 |
| 18 | 3 | 97 |
| 19 | 3 | 97 |
| 20 | 3 | 97 |
| 21 | 3 | 97 |
| 22 | 3 | 97 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 3 | 97 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 2 | 98 |
| 30 | 2 | 98 |
Chance of precipitation in September
Ntoum gets around 162 mm of rain over 23.3 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 77% and peaks near 94% on the wettest days. The odds climb 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 (%) | 50 | 52 | 54 | 57 | 59 | 61 | 63 | 66 | 68 | 70 | 72 | 74 | 76 | 78 | 80 | 81 | 83 | 84 | 86 | 87 | 88 | 89 | 90 | 90 | 91 | 92 | 92 | 93 | 93 | 94 |
| Rain chance (%) | |
|---|---|
| 1 | 50 |
| 2 | 52 |
| 3 | 54 |
| 4 | 57 |
| 5 | 59 |
| 6 | 61 |
| 7 | 63 |
| 8 | 66 |
| 9 | 68 |
| 10 | 70 |
| 11 | 72 |
| 12 | 74 |
| 13 | 76 |
| 14 | 78 |
| 15 | 80 |
| 16 | 81 |
| 17 | 83 |
| 18 | 84 |
| 19 | 86 |
| 20 | 87 |
| 21 | 88 |
| 22 | 89 |
| 23 | 90 |
| 24 | 90 |
| 25 | 91 |
| 26 | 92 |
| 27 | 92 |
| 28 | 93 |
| 29 | 93 |
| 30 | 94 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 86 | 87 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 95 | 96 | 97 | 97 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 |
| Miserable (%) | 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 | 1 | 1 | 1 | 2 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 14 | 86 | 0 |
| 2 | 13 | 87 | 0 |
| 3 | 11 | 89 | 0 |
| 4 | 10 | 90 | 0 |
| 5 | 9 | 91 | 0 |
| 6 | 8 | 92 | 0 |
| 7 | 7 | 93 | 0 |
| 8 | 6 | 94 | 0 |
| 9 | 5 | 95 | 0 |
| 10 | 5 | 95 | 0 |
| 11 | 4 | 96 | 0 |
| 12 | 3 | 97 | 0 |
| 13 | 3 | 97 | 0 |
| 14 | 2 | 98 | 0 |
| 15 | 2 | 98 | 0 |
| 16 | 1 | 99 | 0 |
| 17 | 1 | 99 | 0 |
| 18 | 1 | 99 | 0 |
| 19 | 1 | 99 | 0 |
| 20 | 1 | 99 | 0 |
| 21 | 1 | 99 | 0 |
| 22 | 1 | 99 | 0 |
| 23 | 0 | 99 | 1 |
| 24 | 0 | 99 | 1 |
| 25 | 0 | 99 | 1 |
| 26 | 0 | 99 | 1 |
| 27 | 0 | 99 | 1 |
| 28 | 0 | 99 | 1 |
| 29 | 0 | 99 | 1 |
| 30 | 0 | 98 | 2 |
Wind in September
Winds average 8 km/h in September.
Across September, daily wind ranges from about 7 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over September. Sunrise moves from 6:20 AM to 6:10 AM, and sunset from 6:21 PM to 6:10 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) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:11 | 6:11 | 6:11 | 6:10 |
| Sunset (PM) | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:11 | 6:11 | 6:11 | 6:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.0 | 6:20 | 6:21 |
| 2 | 12.0 | 6:20 | 6:21 |
| 3 | 12.0 | 6:20 | 6:20 |
| 4 | 12.0 | 6:19 | 6:20 |
| 5 | 12.0 | 6:19 | 6:19 |
| 6 | 12.0 | 6:19 | 6:19 |
| 7 | 12.0 | 6:18 | 6:19 |
| 8 | 12.0 | 6:18 | 6:18 |
| 9 | 12.0 | 6:18 | 6:18 |
| 10 | 12.0 | 6:17 | 6:18 |
| 11 | 12.0 | 6:17 | 6:17 |
| 12 | 12.0 | 6:17 | 6:17 |
| 13 | 12.0 | 6:16 | 6:16 |
| 14 | 12.0 | 6:16 | 6:16 |
| 15 | 12.0 | 6:16 | 6:16 |
| 16 | 12.0 | 6:15 | 6:15 |
| 17 | 12.0 | 6:15 | 6:15 |
| 18 | 12.0 | 6:14 | 6:15 |
| 19 | 12.0 | 6:14 | 6:14 |
| 20 | 12.0 | 6:14 | 6:14 |
| 21 | 12.0 | 6:13 | 6:13 |
| 22 | 12.0 | 6:13 | 6:13 |
| 23 | 12.0 | 6:13 | 6:13 |
| 24 | 12.0 | 6:12 | 6:12 |
| 25 | 12.0 | 6:12 | 6:12 |
| 26 | 12.0 | 6:12 | 6:12 |
| 27 | 12.0 | 6:11 | 6:11 |
| 28 | 12.0 | 6:11 | 6:11 |
| 29 | 12.0 | 6:11 | 6:11 |
| 30 | 12.0 | 6:10 | 6:10 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 3.74 kWh/m².
For context, solar energy here swings from a low near 3.35 kWh/m² to a high of 4.69 kWh/m² in March across the year — September's 3.74 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) | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.6 | Moderate |
| 2 | 3.6 | Moderate |
| 3 | 3.6 | Moderate |
| 4 | 3.6 | Moderate |
| 5 | 3.6 | Moderate |
| 6 | 3.6 | Moderate |
| 7 | 3.7 | Moderate |
| 8 | 3.7 | Moderate |
| 9 | 3.7 | Moderate |
| 10 | 3.7 | Moderate |
| 11 | 3.7 | Moderate |
| 12 | 3.7 | Moderate |
| 13 | 3.7 | Moderate |
| 14 | 3.7 | Moderate |
| 15 | 3.8 | Moderate |
| 16 | 3.8 | Moderate |
| 17 | 3.8 | Moderate |
| 18 | 3.8 | Moderate |
| 19 | 3.8 | Moderate |
| 20 | 3.8 | Moderate |
| 21 | 3.8 | Moderate |
| 22 | 3.8 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.8 | Moderate |
| 29 | 3.8 | Moderate |
| 30 | 3.8 | Moderate |
Is September a good time to visit Ntoum?
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 Ntoum for sightseeing.
What to pack for Ntoum in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Ntoum sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 23 days see rain.
Sea temperature near Ntoum in September
The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in March at about 29°C and coldest in August near 25°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) | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 26 | 27 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Ntoum in September
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 Ntoum peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 8 (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) | 11 | 11 | 13 | 12 | 11 | 8 | 9 | 9 | 12 | 13 | 11 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Ntoum 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 Ntoum is worst in February — around 46 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (September, 21 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) | 41 | 46 | 36 | 31 | 30 | 32 | 31 | 26 | 21 | 21 | 26 | 36 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 41 | Poor |
| Feb | 46 | Poor |
| Mar | 36 | Poor |
| Apr | 31 | Moderate |
| May | 30 | Moderate |
| Jun | 32 | Moderate |
| Jul | 31 | Moderate |
| Aug | 26 | Moderate |
| Sep | 21 | Moderate |
| Oct | 21 | Moderate |
| Nov | 26 | Moderate |
| Dec | 36 | Poor |
Where is Ntoum?
Ntoum sits at 0.4°N, 9.8°E, 11 m above sea level, in Gabon. The nearest listed city is Owendo, 31 km away.
Topography around Ntoum
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ntoum.
Within 3 km, the terrain around Ntoum has only modest variations in elevation — a maximum elevation change of 85 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 299 m; within 80 km, large variations in elevation — a maximum elevation change of 908 m.
The land around Ntoum is covered by trees (85%) within 3 km, trees (88%) within 16 km, and trees (66%) and water (26%) within 80 km.
Gabon travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 37% of US
- price level, 2025
- GDP per capita
- $8,263
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Road deaths
- 23.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- 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 Ntoum (0.3905°, 9.761°, elevation 11 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. 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).