Aru in Fall
In fall (September, October and November), Aru sees average daytime highs around 26°C and overnight lows near 17°C, with 479 mm of rain over about 64 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 8% of the time across fall, and the air most often feels humid.
Fall is Aru's 3rd-best season to visit on our travel score. For the whole year in context, see Aru's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 479 mm
- 64 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Aru in Fall
Across fall, daytime highs hold fairly steady around 26°C.
A typical fall day in Aru reaches about 26°C and drops to 17°C overnight. The warmest of the three months is November, the coolest September.
Aru weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 18° | 18 | 3.2 | 11.9 | 6.1 |
| Feb | 30° / 19° | 30 | 4.9 | 11.9 | 5.2 |
| Mar | 29° / 19° | 92 | 12.9 | 12 | 4.8 |
| Apr | 28° / 18° | 152 | 19.2 | 12.1 | 4.7 |
| May | 27° / 18° | 148 | 18.2 | 12.1 | 5.1 |
| Jun | 26° / 17° | 155 | 19.9 | 12.2 | 5.0 |
| Jul | 26° / 17° | 172 | 22.6 | 12.1 | 4.7 |
| Aug | 26° / 16° | 189 | 25 | 12.1 | 4.4 |
| Sep | 26° / 17° | 166 | 22.4 | 12 | 4.6 |
| Oct | 26° / 17° | 194 | 24.3 | 11.9 | 4.4 |
| Nov | 27° / 17° | 119 | 17.1 | 11.9 | 5.3 |
| Dec | 28° / 18° | 38 | 6.1 | 11.8 | 6.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 8% of the time across fall.
Chance of precipitation in Fall
Aru gets around 479 mm of rain over 64 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.5 kWh/m².
Is fall a good time to visit Aru?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Aru for sightseeing.
What to pack for Aru in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Aru sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 64 days see rain.
UV index in Aru in Fall
Clear-sky midday UV across fall averages 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 Aru peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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) | 12 | 14 | 16 | 14 | 12 | 11 | 10 | 12 | 13 | 13 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Aru in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Aru is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (April, 19 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) | 55 | 48 | 30 | 19 | 20 | 28 | 30 | 25 | 22 | 22 | 26 | 40 |
| Level | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 55 | Poor |
| Feb | 48 | Poor |
| Mar | 30 | Moderate |
| Apr | 19 | Moderate |
| May | 20 | Moderate |
| Jun | 28 | Moderate |
| Jul | 30 | Moderate |
| Aug | 25 | Moderate |
| Sep | 22 | Moderate |
| Oct | 22 | Moderate |
| Nov | 26 | Moderate |
| Dec | 40 | Poor |
Where is Aru?
Aru sits at 2.9°N, 30.8°E, 1,350 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Arua, 19 km away.
Topography around Aru
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aru.
Within 3 km, the terrain around Aru has only modest variations in elevation — a maximum elevation change of 69 m around an average of 1,341 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 600 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,580 m.
The land around Aru is covered by shrubs (30%), grassland (22%) and artificial surfaces (20%) within 3 km, shrubs (59%) within 16 km, and shrubs (40%), grassland (32%) and trees (22%) within 80 km.
Democratic Republic of the Congo travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 42% of US
- price level, 2025
- GDP per capita
- $807
- 2025
- Happiness
- 3.8 / 10
- World Happiness, 2025
- Safe drinking water
- 12%
- of population, 2024
- Road deaths
- 34.9
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 400
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 Aru (2.8622°, 30.8414°, elevation 1,350 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.