Arusha weather in September
In September, Arusha sees average daytime highs of 24°C and overnight lows near 12°C, with 4 mm of rain across 1.1 wet days and about 12 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels dry.
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 Arusha's 1st-clearest and 3rd-windiest month. For the whole year in context, see Arusha's year-round climate.
- Daytime high
- 24°
- 8th warmest
- Overnight low
- 12°
- 4th coldest
- Rainfall
- 4 mm
- 1.1 wet days
- Daylight
- 12 hours
- 6:28 AM – 6:27 PM
- Cloud cover
- 53%
- 1st clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 5.99 kWh/m²
- Travel score
- 8.3
- out of 10
Arusha is city in Arusha Region, Tanzania.
- Density
- 388/km²
- people per km²
- Founded
- 1948
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs climb over the month, from about 23°C in the first days to 25°C by the end.
A typical September day in Arusha reaches about 24°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs about 2°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) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 12 |
| 2 | 23 | 12 |
| 3 | 23 | 12 |
| 4 | 23 | 12 |
| 5 | 23 | 12 |
| 6 | 23 | 12 |
| 7 | 23 | 12 |
| 8 | 23 | 12 |
| 9 | 23 | 12 |
| 10 | 23 | 12 |
| 11 | 23 | 12 |
| 12 | 24 | 12 |
| 13 | 24 | 12 |
| 14 | 24 | 12 |
| 15 | 24 | 12 |
| 16 | 24 | 12 |
| 17 | 24 | 12 |
| 18 | 24 | 12 |
| 19 | 24 | 12 |
| 20 | 24 | 12 |
| 21 | 24 | 13 |
| 22 | 24 | 13 |
| 23 | 24 | 13 |
| 24 | 24 | 13 |
| 25 | 24 | 13 |
| 26 | 24 | 13 |
| 27 | 25 | 13 |
| 28 | 25 | 13 |
| 29 | 25 | 13 |
| 30 | 25 | 13 |
Arusha weather by month
How September compares with the rest of the year at a glance. September is the 8th-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 | 26° / 15° | 82 | 10.6 | 12.2 | 6.6 |
| Feb | 27° / 15° | 73 | 8.9 | 12.1 | 6.5 |
| Mar | 26° / 16° | 143 | 16.7 | 12 | 5.6 |
| Apr | 24° / 16° | 145 | 21.7 | 11.9 | 4.9 |
| May | 22° / 14° | 50 | 11.9 | 11.8 | 6.2 |
| Jun | 21° / 12° | 7 | 2.3 | 11.8 | 7.3 |
| Jul | 21° / 11° | 4 | 1.1 | 11.8 | 7.5 |
| Aug | 22° / 11° | 4 | 1.1 | 11.9 | 7.8 |
| Sep | 24° / 12° | 4 | 1.1 | 12 | 8.3 |
| Oct | 25° / 14° | 30 | 7.3 | 12.1 | 7.2 |
| Nov | 25° / 15° | 103 | 17.7 | 12.2 | 5.6 |
| Dec | 25° / 15° | 108 | 16.7 | 12.2 | 5.7 |
Cloud cover in September
The sky is clear or mostly clear about 27% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 30% of September, with mostly cloudy or overcast conditions the remaining 42%. 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 (%) | 47 | 47 | 48 | 48 | 50 | 50 | 51 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 62 | 61 | 60 | 60 |
| Cloudier (%) | 53 | 53 | 52 | 52 | 50 | 50 | 49 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 39 | 40 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 47 | 53 |
| 3 | 48 | 52 |
| 4 | 48 | 52 |
| 5 | 50 | 50 |
| 6 | 50 | 50 |
| 7 | 51 | 49 |
| 8 | 53 | 47 |
| 9 | 54 | 46 |
| 10 | 55 | 45 |
| 11 | 56 | 44 |
| 12 | 57 | 43 |
| 13 | 58 | 42 |
| 14 | 59 | 41 |
| 15 | 60 | 40 |
| 16 | 61 | 39 |
| 17 | 62 | 38 |
| 18 | 63 | 37 |
| 19 | 63 | 37 |
| 20 | 64 | 36 |
| 21 | 64 | 36 |
| 22 | 64 | 36 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 63 | 37 |
| 26 | 63 | 37 |
| 27 | 62 | 38 |
| 28 | 61 | 39 |
| 29 | 60 | 40 |
| 30 | 60 | 40 |
Chance of precipitation in September
Arusha gets around 4 mm of rain over 1.1 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 4% and peaks near 10% 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 (%) | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 10 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 4 |
| 21 | 4 |
| 22 | 4 |
| 23 | 5 |
| 24 | 6 |
| 25 | 6 |
| 26 | 7 |
| 27 | 8 |
| 28 | 9 |
| 29 | 10 |
| 30 | 10 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 88 | 87 | 86 | 85 | 84 | 83 | 82 | 80 | 79 | 77 | 76 | 74 | 73 |
| Comfortable (%) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 20 | 21 | 23 | 24 | 26 | 27 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 93 | 7 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 92 | 8 |
| 5 | 92 | 8 |
| 6 | 92 | 8 |
| 7 | 92 | 8 |
| 8 | 92 | 8 |
| 9 | 92 | 8 |
| 10 | 91 | 9 |
| 11 | 91 | 9 |
| 12 | 91 | 9 |
| 13 | 91 | 9 |
| 14 | 90 | 10 |
| 15 | 90 | 10 |
| 16 | 89 | 11 |
| 17 | 89 | 11 |
| 18 | 88 | 12 |
| 19 | 87 | 13 |
| 20 | 86 | 14 |
| 21 | 85 | 15 |
| 22 | 84 | 16 |
| 23 | 83 | 17 |
| 24 | 82 | 18 |
| 25 | 80 | 20 |
| 26 | 79 | 21 |
| 27 | 77 | 23 |
| 28 | 76 | 24 |
| 29 | 74 | 26 |
| 30 | 73 | 27 |
Wind in September
Winds average 8 km/h in September.
Across September, daily wind ranges from about 8 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 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
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 6:35 AM to 6:22 AM, and sunset from 6:31 PM to 6:23 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 | 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) | 6:35 | 6:34 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:28 | 6:28 | 6:27 | 6:27 | 6:26 | 6:26 | 6:25 | 6:25 | 6:24 | 6:24 | 6:24 | 6:23 | 6:23 | 6:22 | 6:22 |
| Sunset (PM) | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 | 6:28 | 6:28 | 6:28 | 6:28 | 6:27 | 6:27 | 6:27 | 6:26 | 6:26 | 6:26 | 6:26 | 6:25 | 6:25 | 6:25 | 6:25 | 6:24 | 6:24 | 6:24 | 6:24 | 6:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:35 | 6:31 |
| 2 | 11.9 | 6:34 | 6:31 |
| 3 | 11.9 | 6:34 | 6:31 |
| 4 | 11.9 | 6:34 | 6:30 |
| 5 | 11.9 | 6:33 | 6:30 |
| 6 | 12.0 | 6:33 | 6:30 |
| 7 | 12.0 | 6:32 | 6:30 |
| 8 | 12.0 | 6:32 | 6:29 |
| 9 | 12.0 | 6:31 | 6:29 |
| 10 | 12.0 | 6:31 | 6:29 |
| 11 | 12.0 | 6:30 | 6:28 |
| 12 | 12.0 | 6:30 | 6:28 |
| 13 | 12.0 | 6:30 | 6:28 |
| 14 | 12.0 | 6:29 | 6:28 |
| 15 | 12.0 | 6:29 | 6:27 |
| 16 | 12.0 | 6:28 | 6:27 |
| 17 | 12.0 | 6:28 | 6:27 |
| 18 | 12.0 | 6:27 | 6:26 |
| 19 | 12.0 | 6:27 | 6:26 |
| 20 | 12.0 | 6:26 | 6:26 |
| 21 | 12.0 | 6:26 | 6:26 |
| 22 | 12.0 | 6:25 | 6:25 |
| 23 | 12.0 | 6:25 | 6:25 |
| 24 | 12.0 | 6:24 | 6:25 |
| 25 | 12.0 | 6:24 | 6:25 |
| 26 | 12.0 | 6:24 | 6:24 |
| 27 | 12.0 | 6:23 | 6:24 |
| 28 | 12.0 | 6:23 | 6:24 |
| 29 | 12.0 | 6:22 | 6:24 |
| 30 | 12.0 | 6:22 | 6:23 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.99 kWh/m².
For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.33 kWh/m² in February across the year — September's 5.99 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) | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 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 | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.6 | Bright |
| 4 | 5.6 | Bright |
| 5 | 5.6 | 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 | 5.9 | Bright |
| 13 | 5.9 | Bright |
| 14 | 6.0 | Bright |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | 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 Arusha
None of Arusha's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Arusha's rainy season runs November–April, when most of the year's rain falls.
Is September a good time to visit Arusha?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Arusha for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arusha in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Arusha sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection.
UV index in Arusha in September
Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arusha peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).
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 | 16 | 16 | 15 | 12 | 10 | 11 | 11 | 14 | 14 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Air quality in Arusha 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 Arusha is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 10 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 | 13 | 12 | 13 | 16 | 16 | 13 | 12 | 11 | 10 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Moderate |
| May | 13 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 13 | Moderate |
Where is Arusha?
Arusha sits at 3.4°S, 36.7°E, 1,415 m above sea level, in Tanzania. The nearest listed city is Usa River, 19 km away.
Topography around Arusha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arusha.
Within 3 km, the terrain around Arusha has only modest variations in elevation — a maximum elevation change of 236 m around an average of 1,419 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,490 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,854 m.
The land around Arusha is covered by artificial surfaces (57%) and trees (36%) within 3 km, trees (30%), cropland (25%) and grassland (23%) within 16 km, and grassland (41%) and shrubs (32%) 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 Arusha (-3.3667°, 36.6833°, elevation 1,415 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. 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).