Karonga weather in September

In September, Karonga sees average daytime highs of 27°C and overnight lows near 24°C, with 0 mm of rain across 0.1 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 27°C by the end. The sky is clear or mostly clear about 86% 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 Karonga's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Karonga's year-round climate.

Daytime high
27°
7th warmest
Overnight low
24°
6th coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 54 min
5:40 AM – 5:37 PM
Cloud cover
18%
2nd clearest
Wind
12 km/h
3rd windiest
Solar energy
6.85 kWh/m²
Travel score
8.9
out of 10

Karonga is township in the Karonga District in Northern Region of Malawi.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 27°C by the end.

A typical September day in Karonga reaches about 27°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12523
22623
32623
42623
52623
62623
72624
82624
92624
102624
112624
122624
132624
142624
152724
162724
172724
182724
192725
202725
212725
222725
232725
242725
252725
262725
272725
282825
292825
302825

Karonga weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°18423.312.54.2
Feb28° / 25°17920.912.34.2
Mar27° / 24°16921.512.14.6
Apr27° / 24°519.911.86.7
May26° / 23°61.511.68.6
Jun24° / 22°20.811.49.1
Jul23° / 21°30.811.59.1
Aug24° / 22°10.211.79.4
Sep27° / 24°00.111.98.9
Oct28° / 26°30.812.27.7
Nov29° / 26°325.712.56.1
Dec28° / 25°12117.212.64.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1955
2955
3955
4955
5955
6955
7946
8946
9946
10946
11946
12946
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23928
24919
25919
26919
27919
289010
299010
309010

Chance of precipitation in September

Any precipitation

Karonga gets around 0 mm of rain over 0.1 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
81
91
101
111
121
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
136613
235623
334633
433634
532644
631645
730655
829656
928666
1027676
1126686
1225687
1324697
1423707
1522717
1621727
1720728
1819747
1917767
2016768
2115778
2214788
2312799
24117910
25107911
2697912
2787913
2877914
2977815
3067816

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

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 5:50 AM to 5:31 AM, and sunset from 5:38 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:505:38
211.85:495:38
311.85:495:38
411.85:485:38
511.85:475:38
611.95:475:38
711.95:465:38
811.95:455:38
911.95:455:38
1011.95:445:38
1111.95:435:37
1211.95:435:37
1311.95:425:37
1411.95:425:37
1511.95:415:37
1611.95:405:37
1712.05:405:37
1812.05:395:37
1912.05:385:37
2012.05:385:37
2112.05:375:37
2212.05:365:36
2312.05:365:36
2412.05:355:36
2512.05:345:36
2612.05:345:36
2712.05:335:36
2812.15:325:36
2912.15:325:36
3012.15:315:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.85 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 7.15 kWh/m² in October across the year — September's 6.85 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.9Intense
176.9Intense
186.9Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Karonga

In seasonPeak

None of Karonga's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Karonga sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Karonga's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Karonga?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.9
Sightseeing
4th-best month of the year
8.8
Beach & pool
2nd-best month of the year

September is one of the better times to visit Karonga for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Karonga in September

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

In September, Karonga sees daytime highs around 27°C and nights near 24°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Karonga in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 Karonga peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 22UV 15Jun 16UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Karonga in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Karonga is worst in October — around 32 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (May, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1531 µg/m³May 178 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May8Good
Jun9Good
Jul12Good
Aug17Moderate
Sep23Moderate
Oct32Moderate
Nov19Moderate
Dec9Good
Location & terrain

Where is Karonga?

Karonga sits at 9.9°S, 33.9°E, 486 m above sea level, in Malawi. The nearest listed city is Kyela, 40 km away.

IpindaMlangaliChitipaTukuyuKatumbaKiwiraNjombe

Topography around Karonga

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

Within 3 km, the terrain around Karonga has only modest variations in elevation — a maximum elevation change of 17 m around an average of 480 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,352 m.

The land around Karonga is covered by cropland (40%) and water (24%) within 3 km, water (47%), cropland (23%) and shrubs (20%) within 16 km, and trees (33%), shrubs (23%) and water (23%) within 80 km.

3 km
17 m
16 km
433 m
80 km
2,352 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kyela 40 km · Ipinda 50 km · Mlangali 66 km · Chitipa 77 km · Tukuyu 82 km · Katumba 85 km · Kiwira 95 km · Njombe 113 km

Malawi travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$672
2025
Happiness
3.3 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
1.8
per 100k, 2012
Road deaths
33.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 465
Religion
Protestant 34%other Christian 27%Roman Catholic 17%Muslim 14%

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 Karonga (-9.9333°, 33.9333°, elevation 486 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). 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).