Nanyamba weather in September
In September, Nanyamba sees average daytime highs of 30°C and overnight lows near 19°C, with 9 mm of rain across 3 wet days and about 11.9 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 56% of the time in September, and the air most often feels humid.
Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Nanyamba's 3rd-clearest and 6th-windiest month. For the whole year in context, see Nanyamba's year-round climate.
- Daytime high
- 30°
- 6th warmest
- Overnight low
- 19°
- 4th coldest
- Rainfall
- 9 mm
- 3 wet days
- Daylight
- 11 h 54 min
- 6:17 AM – 6:13 PM
- Cloud cover
- 39%
- 3rd clearest
- Wind
- 9 km/h
- 6th windiest
- Solar energy
- 5.85 kWh/m²
- Travel score
- 6.2
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 30°C through the month.
A typical September day in Nanyamba reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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) | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 18 |
| 2 | 29 | 18 |
| 3 | 29 | 18 |
| 4 | 29 | 18 |
| 5 | 29 | 18 |
| 6 | 29 | 18 |
| 7 | 30 | 18 |
| 8 | 30 | 19 |
| 9 | 30 | 19 |
| 10 | 30 | 19 |
| 11 | 30 | 19 |
| 12 | 30 | 19 |
| 13 | 30 | 19 |
| 14 | 30 | 19 |
| 15 | 30 | 19 |
| 16 | 30 | 19 |
| 17 | 30 | 19 |
| 18 | 30 | 19 |
| 19 | 30 | 19 |
| 20 | 30 | 19 |
| 21 | 30 | 19 |
| 22 | 30 | 19 |
| 23 | 30 | 19 |
| 24 | 30 | 19 |
| 25 | 30 | 19 |
| 26 | 30 | 19 |
| 27 | 30 | 19 |
| 28 | 30 | 19 |
| 29 | 30 | 19 |
| 30 | 30 | 19 |
How September really feels in Nanyamba
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.
Nanyamba weather by month
How September compares with the rest of the year at a glance. September is the 6th-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 | 30° / 23° | 200 | 22.6 | 12.6 | 3.3 |
| Feb | 30° / 23° | 187 | 20.5 | 12.4 | 3.4 |
| Mar | 30° / 23° | 192 | 26 | 12.1 | 3.2 |
| Apr | 29° / 22° | 86 | 17.8 | 11.8 | 4.4 |
| May | 29° / 20° | 24 | 5 | 11.5 | 6.3 |
| Jun | 29° / 19° | 4 | 1.1 | 11.4 | 7.2 |
| Jul | 28° / 18° | 4 | 1.1 | 11.4 | 7.5 |
| Aug | 29° / 18° | 5 | 1.3 | 11.6 | 7.0 |
| Sep | 30° / 19° | 9 | 3 | 11.9 | 6.2 |
| Oct | 31° / 20° | 23 | 6.7 | 12.2 | 5.3 |
| Nov | 31° / 22° | 52 | 11.5 | 12.5 | 4.3 |
| Dec | 31° / 23° | 137 | 20.3 | 12.6 | 3.5 |
Cloud cover in September
The sky is clear or mostly clear about 56% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 34% of September, with mostly cloudy or overcast conditions the remaining 11%.
| 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 (%) | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 88 | 88 | 88 | 87 |
| Cloudier (%) | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 90 | 10 |
| 2 | 90 | 10 |
| 3 | 89 | 11 |
| 4 | 89 | 11 |
| 5 | 89 | 11 |
| 6 | 89 | 11 |
| 7 | 89 | 11 |
| 8 | 89 | 11 |
| 9 | 89 | 11 |
| 10 | 89 | 11 |
| 11 | 90 | 10 |
| 12 | 90 | 10 |
| 13 | 90 | 10 |
| 14 | 90 | 10 |
| 15 | 90 | 10 |
| 16 | 90 | 10 |
| 17 | 90 | 10 |
| 18 | 90 | 10 |
| 19 | 90 | 10 |
| 20 | 90 | 10 |
| 21 | 90 | 10 |
| 22 | 90 | 10 |
| 23 | 90 | 10 |
| 24 | 89 | 11 |
| 25 | 89 | 11 |
| 26 | 89 | 11 |
| 27 | 88 | 12 |
| 28 | 88 | 12 |
| 29 | 88 | 12 |
| 30 | 87 | 13 |
Chance of precipitation in September
Nanyamba gets around 9 mm of rain over 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 10% and peaks near 17% 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 (%) | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 17 |
| Rain chance (%) | |
|---|---|
| 1 | 6 |
| 2 | 6 |
| 3 | 6 |
| 4 | 7 |
| 5 | 7 |
| 6 | 7 |
| 7 | 7 |
| 8 | 7 |
| 9 | 7 |
| 10 | 8 |
| 11 | 8 |
| 12 | 8 |
| 13 | 9 |
| 14 | 9 |
| 15 | 9 |
| 16 | 9 |
| 17 | 10 |
| 18 | 10 |
| 19 | 10 |
| 20 | 11 |
| 21 | 11 |
| 22 | 12 |
| 23 | 13 |
| 24 | 13 |
| 25 | 14 |
| 26 | 14 |
| 27 | 15 |
| 28 | 16 |
| 29 | 16 |
| 30 | 17 |
Humidity in September
Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the humid band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 37% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 75 | 75 | 73 | 73 | 72 | 71 | 71 | 69 | 68 | 68 | 67 | 65 | 65 | 63 | 63 | 61 | 59 | 58 | 56 | 54 | 53 | 51 | 49 | 47 | 45 | 43 | 42 | 40 | 39 | 38 |
| Muggy (%) | 16 | 17 | 19 | 20 | 21 | 22 | 23 | 25 | 26 | 27 | 28 | 30 | 31 | 33 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 51 | 54 | 56 | 57 | 59 | 60 | 60 |
| Oppressive (%) | 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 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 8 | 75 | 16 | 0 |
| 2 | 0 | 8 | 75 | 17 | 0 |
| 3 | 0 | 8 | 73 | 19 | 0 |
| 4 | 0 | 7 | 73 | 20 | 0 |
| 5 | 0 | 7 | 72 | 21 | 0 |
| 6 | 0 | 7 | 71 | 22 | 0 |
| 7 | 0 | 6 | 71 | 23 | 0 |
| 8 | 0 | 6 | 69 | 25 | 0 |
| 9 | 0 | 6 | 68 | 26 | 0 |
| 10 | 0 | 5 | 68 | 27 | 0 |
| 11 | 0 | 5 | 67 | 28 | 0 |
| 12 | 0 | 5 | 65 | 30 | 0 |
| 13 | 0 | 4 | 65 | 31 | 0 |
| 14 | 0 | 4 | 63 | 33 | 0 |
| 15 | 0 | 3 | 63 | 34 | 0 |
| 16 | 0 | 3 | 61 | 36 | 0 |
| 17 | 0 | 3 | 59 | 38 | 0 |
| 18 | 0 | 2 | 58 | 40 | 0 |
| 19 | 0 | 2 | 56 | 42 | 0 |
| 20 | 0 | 2 | 54 | 44 | 0 |
| 21 | 0 | 1 | 53 | 46 | 0 |
| 22 | 0 | 1 | 51 | 48 | 0 |
| 23 | 0 | 1 | 49 | 50 | 1 |
| 24 | 0 | 1 | 47 | 51 | 1 |
| 25 | 0 | 0 | 45 | 54 | 1 |
| 26 | 0 | 0 | 43 | 56 | 1 |
| 27 | 0 | 0 | 42 | 57 | 1 |
| 28 | 0 | 0 | 40 | 59 | 1 |
| 29 | 0 | 0 | 39 | 60 | 1 |
| 30 | 0 | 0 | 38 | 60 | 2 |
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 | 9 | 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 | 9 | 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 48 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 18 minutes over September. Sunrise moves from 6:27 AM to 6:07 AM, and sunset from 6:14 PM to 6:12 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 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 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:23 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 |
| Sunset (PM) | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:27 | 6:14 |
| 2 | 11.8 | 6:26 | 6:14 |
| 3 | 11.8 | 6:25 | 6:14 |
| 4 | 11.8 | 6:25 | 6:14 |
| 5 | 11.8 | 6:24 | 6:14 |
| 6 | 11.8 | 6:23 | 6:14 |
| 7 | 11.9 | 6:23 | 6:14 |
| 8 | 11.9 | 6:22 | 6:14 |
| 9 | 11.9 | 6:21 | 6:14 |
| 10 | 11.9 | 6:21 | 6:14 |
| 11 | 11.9 | 6:20 | 6:14 |
| 12 | 11.9 | 6:19 | 6:14 |
| 13 | 11.9 | 6:19 | 6:13 |
| 14 | 11.9 | 6:18 | 6:13 |
| 15 | 11.9 | 6:17 | 6:13 |
| 16 | 11.9 | 6:17 | 6:13 |
| 17 | 12.0 | 6:16 | 6:13 |
| 18 | 12.0 | 6:15 | 6:13 |
| 19 | 12.0 | 6:15 | 6:13 |
| 20 | 12.0 | 6:14 | 6:13 |
| 21 | 12.0 | 6:13 | 6:13 |
| 22 | 12.0 | 6:13 | 6:13 |
| 23 | 12.0 | 6:12 | 6:13 |
| 24 | 12.0 | 6:11 | 6:13 |
| 25 | 12.0 | 6:11 | 6:13 |
| 26 | 12.0 | 6:10 | 6:13 |
| 27 | 12.1 | 6:09 | 6:13 |
| 28 | 12.1 | 6:09 | 6:13 |
| 29 | 12.1 | 6:08 | 6:13 |
| 30 | 12.1 | 6:07 | 6:12 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.85 kWh/m².
For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.25 kWh/m² in November across the year — September's 5.85 kWh/m² sits near the top of that range.
| 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) | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 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 |
| 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 | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.6 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 6.0 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
Hazard calendar for Nanyamba
None of Nanyamba's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nanyamba sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Nanyamba's monsoon runs December–March, when most of the year's rain falls.
Is September a good time to visit Nanyamba?
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 Nanyamba for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nanyamba in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Nanyamba sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.
Sea temperature near Nanyamba 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 70 km away) is warmest in March at about 29°C and coldest in August near 26°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 | 26 | 26 | 27 | 28 | 29 |
| 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 | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 29 | Tropical |
UV index in Nanyamba 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 Nanyamba peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 9 (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) | 13 | 14 | 15 | 13 | 10 | 9 | 9 | 11 | 13 | 13 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Nanyamba 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 Nanyamba is worst in November — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (May, 9 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) | 14 | 13 | 11 | 10 | 9 | 9 | 11 | 11 | 9 | 10 | 16 | 11 |
| Level | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 11 | Good |
| Apr | 10 | Good |
| May | 9 | Good |
| Jun | 9 | Good |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 9 | Good |
| Oct | 10 | Good |
| Nov | 16 | Moderate |
| Dec | 11 | Good |
Where is Nanyamba?
Nanyamba sits at 10.7°S, 39.8°E, 243 m above sea level, in Tanzania. The nearest listed city is Kitama, 12 km away.
Topography around Nanyamba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanyamba.
Within 3 km, the terrain around Nanyamba has only modest variations in elevation — a maximum elevation change of 91 m around an average of 237 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, large variations in elevation — a maximum elevation change of 890 m.
The land around Nanyamba is covered by trees (38%), grassland (30%) and shrubs (26%) within 3 km, trees (46%), shrubs (26%) and grassland (23%) within 16 km, and trees (58%) within 80 km.
Tanzania travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type D / G
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $1,319
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Safe drinking water
- 31%
- of population, 2024
- Homicide rate
- 3.7
- per 100k, 2020
- Road deaths
- 31.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 479
- 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 Nanyamba (-10.6833°, 39.8333°, elevation 243 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).