Mtwapa weather in September
In September, Mtwapa sees average daytime highs of 27°C and overnight lows near 23°C, with 43 mm of rain across 14.8 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Mtwapa's 1st-clearest and 5th-windiest month. For the whole year in context, see Mtwapa's year-round climate.
- Daytime high
- 27°
- 9th warmest
- Overnight low
- 23°
- 3rd coldest
- Rainfall
- 43 mm
- 14.8 wet days
- Daylight
- 12 hours
- 6:16 AM – 6:15 PM
- Cloud cover
- 38%
- 1st clearest
- Wind
- 18 km/h
- 5th windiest
- Solar energy
- 6.06 kWh/m²
- Travel score
- 6.1
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 27°C through the month.
A typical September day in Mtwapa reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs on par with 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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 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 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 23 |
| 2 | 27 | 23 |
| 3 | 27 | 23 |
| 4 | 27 | 23 |
| 5 | 27 | 23 |
| 6 | 27 | 23 |
| 7 | 27 | 23 |
| 8 | 27 | 23 |
| 9 | 27 | 23 |
| 10 | 27 | 23 |
| 11 | 27 | 23 |
| 12 | 27 | 23 |
| 13 | 27 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 23 |
| 18 | 27 | 23 |
| 19 | 27 | 23 |
| 20 | 27 | 23 |
| 21 | 27 | 23 |
| 22 | 28 | 23 |
| 23 | 28 | 23 |
| 24 | 28 | 23 |
| 25 | 28 | 24 |
| 26 | 28 | 24 |
| 27 | 28 | 24 |
| 28 | 28 | 24 |
| 29 | 28 | 24 |
| 30 | 28 | 24 |
How September really feels in Mtwapa
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.
Mtwapa 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 | 30° / 26° | 18 | 3.5 | 12.2 | 5.6 |
| Feb | 31° / 26° | 11 | 2.4 | 12.1 | 5.5 |
| Mar | 31° / 26° | 49 | 12.4 | 12 | 4.4 |
| Apr | 30° / 26° | 136 | 24.4 | 11.9 | 3.5 |
| May | 28° / 25° | 223 | 24.1 | 11.8 | 4.3 |
| Jun | 27° / 24° | 92 | 20.5 | 11.8 | 5.0 |
| Jul | 26° / 23° | 69 | 19.8 | 11.8 | 5.2 |
| Aug | 27° / 23° | 49 | 17.2 | 11.9 | 5.7 |
| Sep | 27° / 23° | 43 | 14.8 | 12 | 6.1 |
| Oct | 28° / 24° | 75 | 14.9 | 12.1 | 5.5 |
| Nov | 29° / 25° | 66 | 16.1 | 12.2 | 4.8 |
| Dec | 30° / 25° | 46 | 13 | 12.2 | 4.9 |
Cloud cover in September
The sky is clear or mostly clear about 62% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 16%.
| 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 (%) | 81 | 83 | 83 | 83 | 85 | 85 | 85 | 85 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 84 | 84 | 84 | 83 | 84 | 84 | 83 | 83 | 83 | 83 | 82 | 82 | 81 | 81 | 81 |
| Cloudier (%) | 19 | 17 | 17 | 17 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 81 | 19 |
| 2 | 83 | 17 |
| 3 | 83 | 17 |
| 4 | 83 | 17 |
| 5 | 85 | 15 |
| 6 | 85 | 15 |
| 7 | 85 | 15 |
| 8 | 85 | 15 |
| 9 | 86 | 14 |
| 10 | 86 | 14 |
| 11 | 86 | 14 |
| 12 | 86 | 14 |
| 13 | 85 | 15 |
| 14 | 85 | 15 |
| 15 | 85 | 15 |
| 16 | 84 | 16 |
| 17 | 84 | 16 |
| 18 | 84 | 16 |
| 19 | 83 | 17 |
| 20 | 84 | 16 |
| 21 | 84 | 16 |
| 22 | 83 | 17 |
| 23 | 83 | 17 |
| 24 | 83 | 17 |
| 25 | 83 | 17 |
| 26 | 82 | 18 |
| 27 | 82 | 18 |
| 28 | 81 | 19 |
| 29 | 81 | 19 |
| 30 | 81 | 19 |
Chance of precipitation in September
Mtwapa gets around 43 mm of rain over 14.8 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 49% and peaks near 53% 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 (%) | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 |
| Rain chance (%) | |
|---|---|
| 1 | 53 |
| 2 | 53 |
| 3 | 53 |
| 4 | 53 |
| 5 | 53 |
| 6 | 53 |
| 7 | 53 |
| 8 | 53 |
| 9 | 52 |
| 10 | 52 |
| 11 | 51 |
| 12 | 51 |
| 13 | 50 |
| 14 | 50 |
| 15 | 49 |
| 16 | 49 |
| 17 | 48 |
| 18 | 48 |
| 19 | 47 |
| 20 | 46 |
| 21 | 46 |
| 22 | 45 |
| 23 | 45 |
| 24 | 45 |
| 25 | 45 |
| 26 | 45 |
| 27 | 45 |
| 28 | 45 |
| 29 | 45 |
| 30 | 46 |
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 50% 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 (%) | 66 | 65 | 64 | 63 | 62 | 60 | 59 | 57 | 56 | 55 | 54 | 53 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 43 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 |
| Oppressive (%) | 34 | 35 | 36 | 37 | 38 | 40 | 41 | 43 | 44 | 45 | 46 | 47 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 |
| Muggy (%) | Oppressive (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 65 | 35 |
| 3 | 64 | 36 |
| 4 | 63 | 37 |
| 5 | 62 | 38 |
| 6 | 60 | 40 |
| 7 | 59 | 41 |
| 8 | 57 | 43 |
| 9 | 56 | 44 |
| 10 | 55 | 45 |
| 11 | 54 | 46 |
| 12 | 53 | 47 |
| 13 | 51 | 49 |
| 14 | 50 | 50 |
| 15 | 49 | 51 |
| 16 | 48 | 52 |
| 17 | 47 | 53 |
| 18 | 46 | 54 |
| 19 | 45 | 55 |
| 20 | 44 | 56 |
| 21 | 43 | 57 |
| 22 | 43 | 57 |
| 23 | 42 | 58 |
| 24 | 41 | 59 |
| 25 | 40 | 60 |
| 26 | 39 | 61 |
| 27 | 38 | 62 |
| 28 | 37 | 63 |
| 29 | 36 | 64 |
| 30 | 35 | 65 |
Wind in September
Winds average 18 km/h in September.
Across September, daily wind ranges from about 17 km/h on the calmest days to 19 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) | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 19 | light breeze |
| 2 | 19 | light breeze |
| 3 | 18 | light breeze |
| 4 | 18 | light breeze |
| 5 | 18 | light breeze |
| 6 | 18 | light breeze |
| 7 | 18 | light breeze |
| 8 | 18 | light breeze |
| 9 | 18 | light breeze |
| 10 | 18 | light breeze |
| 11 | 18 | light breeze |
| 12 | 18 | light breeze |
| 13 | 18 | light breeze |
| 14 | 18 | light breeze |
| 15 | 18 | light breeze |
| 16 | 18 | light breeze |
| 17 | 18 | light breeze |
| 18 | 18 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
Sunrise & sunset in September
Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 6:23 AM to 6:09 AM, and sunset from 6:18 PM to 6:11 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 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) | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:09 |
| Sunset (PM) | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:12 | 6:11 | 6:11 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:23 | 6:18 |
| 2 | 11.9 | 6:23 | 6:18 |
| 3 | 11.9 | 6:22 | 6:18 |
| 4 | 11.9 | 6:22 | 6:18 |
| 5 | 11.9 | 6:21 | 6:18 |
| 6 | 11.9 | 6:21 | 6:17 |
| 7 | 11.9 | 6:20 | 6:17 |
| 8 | 11.9 | 6:20 | 6:17 |
| 9 | 12.0 | 6:19 | 6:17 |
| 10 | 12.0 | 6:19 | 6:16 |
| 11 | 12.0 | 6:18 | 6:16 |
| 12 | 12.0 | 6:18 | 6:16 |
| 13 | 12.0 | 6:17 | 6:15 |
| 14 | 12.0 | 6:17 | 6:15 |
| 15 | 12.0 | 6:16 | 6:15 |
| 16 | 12.0 | 6:16 | 6:15 |
| 17 | 12.0 | 6:15 | 6:14 |
| 18 | 12.0 | 6:15 | 6:14 |
| 19 | 12.0 | 6:15 | 6:14 |
| 20 | 12.0 | 6:14 | 6:14 |
| 21 | 12.0 | 6:14 | 6:13 |
| 22 | 12.0 | 6:13 | 6:13 |
| 23 | 12.0 | 6:13 | 6:13 |
| 24 | 12.0 | 6:12 | 6:13 |
| 25 | 12.0 | 6:12 | 6:12 |
| 26 | 12.0 | 6:11 | 6:12 |
| 27 | 12.0 | 6:11 | 6:12 |
| 28 | 12.0 | 6:10 | 6:12 |
| 29 | 12.0 | 6:10 | 6:11 |
| 30 | 12.0 | 6:09 | 6:11 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.06 kWh/m².
For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.64 kWh/m² in February across the year — September's 6.06 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) | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.9 | Bright |
| 8 | 6.0 | Bright |
| 9 | 6.0 | Bright |
| 10 | 6.0 | Bright |
| 11 | 6.0 | Bright |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.2 | Intense |
| 29 | 6.2 | Intense |
| 30 | 6.2 | Intense |
Hazard calendar for Mtwapa
None of Mtwapa's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Mtwapa's rainy season runs April–May, when most of the year's rain falls.
Is September a good time to visit Mtwapa?
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 Mtwapa for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mtwapa in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Mtwapa sees daytime highs around 27°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.
Sea temperature near Mtwapa 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 16 km away) is warmest in April 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) | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 25 | 26 | 26 | 28 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Mtwapa 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 Mtwapa peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (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) | 14 | 14 | 15 | 14 | 11 | 9 | 10 | 11 | 13 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Mtwapa 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 Mtwapa is worst in December — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 21 | 19 | 17 | 14 | 14 | 16 | 17 | 15 | 14 | 13 | 15 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 19 | Moderate |
| Mar | 17 | Moderate |
| Apr | 14 | Moderate |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 13 | Moderate |
| Nov | 15 | Moderate |
| Dec | 21 | Moderate |
Where is Mtwapa?
Mtwapa sits at 3.9°S, 39.7°E, 23 m above sea level, in Kenya. The nearest listed city is Mombasa, 16 km away.
Topography around Mtwapa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mtwapa.
Within 3 km, the terrain around Mtwapa has only modest variations in elevation — a maximum elevation change of 42 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 314 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.
The land around Mtwapa is covered by trees (44%) within 3 km, water (44%) and trees (24%) within 16 km, and water (35%), shrubs (24%) and grassland (22%) within 80 km.
Kenya travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type G
- 240 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $2,363
- 2025
- Happiness
- 4.7 / 10
- World Happiness, 2025
- Homicide rate
- 4.9
- per 100k, 2022
- Road deaths
- 28.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 593
- 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 Mtwapa (-3.9394°, 39.7488°, elevation 23 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).