Coyah weather in September
In September, Coyah sees average daytime highs of 29°C and overnight lows near 23°C, with 465 mm of rain across 29.2 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°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 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Coyah's 10th-clearest and 7th-windiest month. For the whole year in context, see Coyah's year-round climate.
- Daytime high
- 29°
- 10th warmest
- Overnight low
- 23°
- 7th coldest
- Rainfall
- 465 mm
- 29.2 wet days
- Daylight
- 12 h 06 min
- 6:46 AM – 6:49 PM
- Cloud cover
- 87%
- 10th clearest
- Wind
- 6 km/h
- 7th windiest
- Solar energy
- 4.06 kWh/m²
- Travel score
- 3.0
- out of 10
Coyah is human settlement.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 29°C through the month.
A typical September day in Coyah reaches about 29°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 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| 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 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
How September really feels in Coyah
Once humidity and wind are folded in, September averages 14 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Coyah weather by month
How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 21° | 3 | 0.8 | 11.5 | 5.2 |
| Feb | 33° / 22° | 1 | 0.3 | 11.7 | 4.8 |
| Mar | 33° / 23° | 1 | 0.3 | 11.9 | 4.6 |
| Apr | 33° / 24° | 7 | 1.4 | 12.2 | 4.5 |
| May | 31° / 25° | 86 | 14.1 | 12.4 | 3.8 |
| Jun | 29° / 24° | 301 | 28.2 | 12.6 | 3.0 |
| Jul | 28° / 23° | 623 | 30.6 | 12.5 | 3.2 |
| Aug | 28° / 23° | 741 | 30.7 | 12.3 | 3.2 |
| Sep | 29° / 23° | 465 | 29.2 | 12.1 | 3.0 |
| Oct | 30° / 23° | 214 | 28.2 | 11.8 | 2.9 |
| Nov | 30° / 23° | 83 | 16.7 | 11.6 | 4.2 |
| Dec | 31° / 22° | 11 | 2.6 | 11.4 | 5.5 |
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 (%) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 |
| Cloudier (%) | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 94 | 93 | 93 | 93 | 92 | 92 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 2 | 98 |
| 2 | 2 | 98 |
| 3 | 2 | 98 |
| 4 | 2 | 98 |
| 5 | 2 | 98 |
| 6 | 2 | 98 |
| 7 | 3 | 97 |
| 8 | 3 | 97 |
| 9 | 3 | 97 |
| 10 | 3 | 97 |
| 11 | 3 | 97 |
| 12 | 4 | 96 |
| 13 | 4 | 96 |
| 14 | 4 | 96 |
| 15 | 4 | 96 |
| 16 | 4 | 96 |
| 17 | 4 | 96 |
| 18 | 4 | 96 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 5 | 95 |
| 22 | 5 | 95 |
| 23 | 5 | 95 |
| 24 | 5 | 95 |
| 25 | 6 | 94 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 8 | 92 |
| 30 | 8 | 92 |
Chance of precipitation in September
Coyah gets around 465 mm of rain over 29.2 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 97% and peaks near 99% 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 (%) | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 |
| Rain chance (%) | |
|---|---|
| 1 | 99 |
| 2 | 99 |
| 3 | 99 |
| 4 | 99 |
| 5 | 98 |
| 6 | 98 |
| 7 | 98 |
| 8 | 98 |
| 9 | 98 |
| 10 | 98 |
| 11 | 98 |
| 12 | 98 |
| 13 | 97 |
| 14 | 97 |
| 15 | 97 |
| 16 | 97 |
| 17 | 97 |
| 18 | 97 |
| 19 | 97 |
| 20 | 97 |
| 21 | 97 |
| 22 | 97 |
| 23 | 97 |
| 24 | 96 |
| 25 | 96 |
| 26 | 96 |
| 27 | 96 |
| 28 | 96 |
| 29 | 96 |
| 30 | 96 |
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 91% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 94 | 93 | 93 | 92 | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 86 |
| Miserable (%) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 97 | 3 |
| 2 | 97 | 3 |
| 3 | 97 | 3 |
| 4 | 97 | 3 |
| 5 | 96 | 4 |
| 6 | 96 | 4 |
| 7 | 96 | 4 |
| 8 | 95 | 5 |
| 9 | 95 | 5 |
| 10 | 94 | 6 |
| 11 | 93 | 7 |
| 12 | 93 | 7 |
| 13 | 92 | 8 |
| 14 | 91 | 9 |
| 15 | 91 | 9 |
| 16 | 90 | 10 |
| 17 | 90 | 10 |
| 18 | 89 | 11 |
| 19 | 89 | 11 |
| 20 | 89 | 11 |
| 21 | 89 | 11 |
| 22 | 88 | 12 |
| 23 | 88 | 12 |
| 24 | 88 | 12 |
| 25 | 88 | 12 |
| 26 | 88 | 12 |
| 27 | 88 | 12 |
| 28 | 87 | 13 |
| 29 | 87 | 13 |
| 30 | 86 | 14 |
Wind in September
Winds average 6 km/h in September.
Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over September. Sunrise moves from 6:48 AM to 6:45 AM, and sunset from 6:59 PM to 6:41 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) | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:48 | 6:48 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 | 6:45 |
| Sunset (PM) | 6:59 | 6:58 | 6:58 | 6:57 | 6:56 | 6:56 | 6:55 | 6:55 | 6:54 | 6:53 | 6:53 | 6:52 | 6:51 | 6:51 | 6:50 | 6:49 | 6:49 | 6:48 | 6:48 | 6:47 | 6:46 | 6:46 | 6:45 | 6:44 | 6:44 | 6:43 | 6:42 | 6:42 | 6:41 | 6:41 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:48 | 6:59 |
| 2 | 12.2 | 6:48 | 6:58 |
| 3 | 12.2 | 6:47 | 6:58 |
| 4 | 12.2 | 6:47 | 6:57 |
| 5 | 12.2 | 6:47 | 6:56 |
| 6 | 12.1 | 6:47 | 6:56 |
| 7 | 12.1 | 6:47 | 6:55 |
| 8 | 12.1 | 6:47 | 6:55 |
| 9 | 12.1 | 6:47 | 6:54 |
| 10 | 12.1 | 6:47 | 6:53 |
| 11 | 12.1 | 6:47 | 6:53 |
| 12 | 12.1 | 6:47 | 6:52 |
| 13 | 12.1 | 6:47 | 6:51 |
| 14 | 12.1 | 6:46 | 6:51 |
| 15 | 12.1 | 6:46 | 6:50 |
| 16 | 12.1 | 6:46 | 6:49 |
| 17 | 12.0 | 6:46 | 6:49 |
| 18 | 12.0 | 6:46 | 6:48 |
| 19 | 12.0 | 6:46 | 6:48 |
| 20 | 12.0 | 6:46 | 6:47 |
| 21 | 12.0 | 6:46 | 6:46 |
| 22 | 12.0 | 6:46 | 6:46 |
| 23 | 12.0 | 6:46 | 6:45 |
| 24 | 12.0 | 6:46 | 6:44 |
| 25 | 12.0 | 6:45 | 6:44 |
| 26 | 12.0 | 6:45 | 6:43 |
| 27 | 12.0 | 6:45 | 6:42 |
| 28 | 11.9 | 6:45 | 6:42 |
| 29 | 11.9 | 6:45 | 6:41 |
| 30 | 11.9 | 6:45 | 6:41 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.06 kWh/m².
For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 6.51 kWh/m² in March across the year — September's 4.06 kWh/m² sits near the bottom.
| 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) | 3.7 | 3.7 | 3.7 | 3.7 | 3.8 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.7 | Moderate |
| 2 | 3.7 | Moderate |
| 3 | 3.7 | Moderate |
| 4 | 3.7 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.8 | Moderate |
| 7 | 3.8 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 4.0 | Moderate |
| 13 | 4.0 | Moderate |
| 14 | 4.0 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for Coyah
In September, Coyah sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Coyah's monsoon runs July–September, when most of the year's rain falls.
Coyah sees seasonal dust haze (February–May), heaviest in February.
Is September a good time to visit Coyah?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Coyah.
What to pack for Coyah in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Coyah sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.
Sea temperature near Coyah in September
The nearest coast averages about 28°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 28 km away) is warmest in November at about 29°C and coldest in August near 27°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 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 29 | 29 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 28 | Tropical |
| Jul | 28 | Warm |
| Aug | 27 | Warm |
| Sep | 28 | Warm |
| Oct | 28 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Coyah in September
Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Coyah peaks around March 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 9 | 12 | 13 | 11 | 12 | 12 | 12 | 13 | 13 | 11 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Coyah 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 Coyah is worst in April — around 95 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 17 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) | 79 | 89 | 74 | 95 | 67 | 30 | 19 | 17 | 21 | 33 | 46 | 74 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 79 | Unhealthy |
| Feb | 89 | Unhealthy |
| Mar | 74 | Unhealthy |
| Apr | 95 | Unhealthy |
| May | 67 | Unhealthy |
| Jun | 30 | Moderate |
| Jul | 19 | Moderate |
| Aug | 17 | Moderate |
| Sep | 21 | Moderate |
| Oct | 33 | Moderate |
| Nov | 46 | Poor |
| Dec | 74 | Unhealthy |
Where is Coyah?
Coyah sits at 9.7°N, 13.4°W, 13 m above sea level, in Guinea. The nearest listed city is Manéah, 5.0 km away.
Topography around Coyah
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coyah.
Within 3 km, the terrain around Coyah has significant variations in elevation — a maximum elevation change of 532 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 996 m; within 80 km, large variations in elevation — a maximum elevation change of 1,191 m.
The land around Coyah is covered by trees (43%) and artificial surfaces (32%) within 3 km, trees (39%) and grassland (27%) within 16 km, and trees (33%) and water (27%) within 80 km.
Guinea travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / K
- 220 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $1,877
- 2025
- Happiness
- 4.6 / 10
- World Happiness, 2025
- Road deaths
- 29.7
- per 100k/yr, 2019
- Income group
- Lower 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 Coyah (9.7064°, -13.3847°, elevation 13 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).