Bumba in Fall

In fall (September, October and November), Bumba sees average daytime highs around 29°C and overnight lows near 22°C, with 481 mm of rain over about 74 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 6% of the time across fall, and the air most often feels oppressive.

Fall is Bumba's 3rd-best season to visit on our travel score. For the whole year in context, see Bumba's year-round climate.

Avg daytime high
29°C
coldest season of the year
Avg overnight low
22°C
Rainfall
481 mm
74 wet days
Avg wind
4 km/h
Travel score
3.5
3rd-best season
Months
Sep · Oct · Nov

Temperature in Bumba in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 29°C.

A typical fall day in Bumba reaches about 29°C and drops to 22°C overnight. The warmest of the three months is September, the coolest September.

20°25°30°35°SepOctNov

How fall really feels in Bumba

Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bumba 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°418.311.94.0
Feb33° / 23°6911.111.93.3
Mar32° / 23°13618.5123.2
Apr31° / 23°14321.1123.3
May30° / 23°12621.312.13.5
Jun30° / 23°1082012.13.8
Jul29° / 22°11921.812.13.8
Aug29° / 22°15024.512.13.5
Sep29° / 22°15724.8123.4
Oct29° / 22°17925.9123.4
Nov29° / 22°1452311.93.6
Dec31° / 22°6011.111.94.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Bumba gets around 481 mm of rain over 74 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 4 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 hours in early September to 11 h 54 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 5.0 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Bumba?

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.

3.5
Sightseeing
3rd-best month of the year
4.5
Beach & pool
4th-best month of the year

fall is a weaker month for outdoor sightseeing in Bumba.

What to pack for Bumba in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Bumba sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.

light clothesrain gearsun protection

UV index in Bumba in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bumba peaks around March 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 20UV 13Jul 12UV 8
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun9Very high
Jul8Very high
Aug12Extreme
Sep11Extreme
Oct13Extreme
Nov10Very high
Dec9Very high

Air quality in Bumba in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Bumba is worst in February — around 164 µg/m³ PM2.5 (very unhealthy), about 16.2× the cleanest month (October, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyModerateGoodModerateFeb 20160 µg/m³Oct 1110 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb164Very unhealthy
Mar146Unhealthy
Apr38Poor
May16Moderate
Jun18Moderate
Jul20Moderate
Aug16Moderate
Sep11Good
Oct10Good
Nov15Moderate
Dec28Moderate
Location & terrain

Where is Bumba?

Bumba sits at 2.2°N, 22.5°E, 362 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Lisala, 106 km away.

AketiBasokoBusingaBingaBondoButaYangambi

Topography around Bumba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bumba.

Within 3 km, the terrain around Bumba has only modest variations in elevation — a maximum elevation change of 26 m around an average of 355 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, only modest variations in elevation — a maximum elevation change of 229 m.

The land around Bumba is covered by artificial surfaces (40%), grassland (27%) and water (22%) within 3 km, trees (56%) and grassland (22%) within 16 km, and trees (91%) within 80 km.

3 km
26 m
16 km
72 m
80 km
229 m
treesshrubsgrasslandartificial surfaceswater
Fall weather nearby: Lisala 106 km · Aketi 158 km · Basoko 166 km · Businga 217 km · Binga 220 km · Bondo 226 km · Buta 260 km · Yangambi 270 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 Bumba (2.1877°, 22.4683°, elevation 362 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.