Impfondo in Fall

In fall (September, October and November), Impfondo sees average daytime highs around 30°C and overnight lows near 23°C, with 428 mm of rain over about 68 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 7% of the time across fall, and the air most often feels oppressive.

Fall is Impfondo's 3rd-best season to visit on our travel score. Impfondo has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Impfondo's year-round climate.

Avg daytime high
30°C
3rd-warmest season
Avg overnight low
23°C
Rainfall
428 mm
68 wet days
Avg wind
5 km/h
Travel score
3.5
3rd-best season
Months
Sep · Oct · Nov

Temperature in Impfondo in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 30°C.

A typical fall day in Impfondo reaches about 30°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.

20°25°30°35°SepOctNov

How fall really feels in Impfondo

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.

Impfondo 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
Jan31° / 22°458.411.94.3
Feb32° / 23°7311.511.93.6
Mar32° / 24°13917.9123.2
Apr31° / 24°12019.2123.3
May31° / 24°9818.812.13.6
Jun30° / 23°7915.812.14.2
Jul29° / 23°891812.14.2
Aug29° / 23°13022.312.13.8
Sep29° / 22°15323.7123.5
Oct30° / 23°14923.3123.5
Nov30° / 23°12621.111.93.6
Dec31° / 23°6111.911.94.3

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Impfondo gets around 428 mm of rain over 68 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%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 5 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 4.9 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Impfondo?

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
4.7
Beach & pool
4th-best month of the year

fall is a weaker month for outdoor sightseeing in Impfondo.

What to pack for Impfondo in Fall

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

In fall, Impfondo sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 68 days see rain.

light clothesrain gearsun protection

UV index in Impfondo 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 Impfondo peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 highApr 11UV 13Jun 20UV 8
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun8Very high
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Impfondo 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 Impfondo is worst in February — around 50 µg/m³ PM2.5 (poor), about 5.0× the cleanest month (October, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1649 µg/m³Oct 910 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb50Poor
Mar39Poor
Apr23Moderate
May17Moderate
Jun22Moderate
Jul25Moderate
Aug20Moderate
Sep10Good
Oct10Good
Nov17Moderate
Dec27Moderate
Location & terrain

Where is Impfondo?

Impfondo sits at 1.6°N, 18.1°E, 323 m above sea level, in Republic of the Congo. The nearest listed city is Bétou, 168 km away.

BétouMindouliMbandakaBolengePokolaOuessoLibenge

Topography around Impfondo

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

Within 3 km, the terrain around Impfondo has only modest variations in elevation — a maximum elevation change of 28 m around an average of 320 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 61 m.

The land around Impfondo is covered by trees (47%) and water (30%) within 3 km, trees (87%) within 16 km, and trees (93%) within 80 km.

3 km
28 m
16 km
43 m
80 km
61 m
treesgrasslandartificial surfaceswaterwetland
Fall weather nearby: Bétou 168 km · Mindouli 173 km · Mbandaka 176 km · Bolenge 181 km · Pokola 195 km · Basankusu 199 km · Ouesso 223 km · Libenge 235 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Impfondo (1.618°, 18.0598°, elevation 323 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.