Mzuzu weather in September

In September, Mzuzu sees average daytime highs of 25°C and overnight lows near 15°C, with 12 mm of rain across 3.6 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 81% of the time in September, and the air most often feels dry.

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 Mzuzu's 1st-clearest and 2nd-windiest month. For the whole year in context, see Mzuzu's year-round climate.

Daytime high
25°
7th warmest
Overnight low
15°
5th coldest
Rainfall
12 mm
3.6 wet days
Daylight
11 h 54 min
5:40 AM – 5:36 PM
Cloud cover
24%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
6.8 kWh/m²
Travel score
8.5
out of 10

Mzuzu is city in 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 23°C in the first days to 26°C by the end.

A typical September day in Mzuzu reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12313
22313
32313
42414
52414
62414
72414
82414
92414
102414
112414
122414
132414
142514
152514
162515
172515
182515
192515
202515
212515
222515
232515
242515
252615
262615
272616
282616
292616
302616

Mzuzu 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
Jan25° / 18°30028.512.63.7
Feb25° / 18°25124.812.43.9
Mar25° / 18°22329.112.13.8
Apr24° / 16°14024.211.84.7
May22° / 14°5013.511.56.5
Jun21° / 12°227.611.37.1
Jul20° / 11°196.811.47.3
Aug22° / 12°165.211.68.1
Sep25° / 15°123.611.98.5
Oct26° / 17°438.612.37.4
Nov27° / 18°10414.412.56.0
Dec26° / 18°24625.912.74.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1937
2937
3937
4937
5937
6937
7937
8928
9928
10928
11928
12928
13928
14928
15928
16928
17928
18928
19928
20928
21928
22928
23928
24928
25919
26919
279010
289010
299010
309010

Chance of precipitation in September

Any precipitation

Mzuzu gets around 12 mm of rain over 3.6 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 13% and peaks near 16% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
114
214
314
413
513
613
713
813
913
1013
1113
1213
1313
1413
1513
1612
1712
1812
1912
2012
2112
2212
2312
2413
2513
2614
2714
2815
2916
3016

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
175250
274260
373270
471290
570300
667321
765341
864351
962371
1060391
1159401
1257421
1356431
1454451
1552471
1651481
1749491
1848511
1947512
2046522
2145532
2243552
2342553
2441563
2540564
2639565
2738566
2837567
2935578
3034579

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:37 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:505:37
211.85:505:37
311.85:495:37
411.85:485:37
511.85:485:37
611.85:475:37
711.85:465:37
811.95:465:37
911.95:455:37
1011.95:445:37
1111.95:445:37
1211.95:435:37
1311.95:425:36
1411.95:425:36
1511.95:415:36
1611.95:405:36
1711.95:395:36
1812.05:395:36
1912.05:385:36
2012.05:375:36
2112.05:375:36
2212.05:365:36
2312.05:355:36
2412.05:355:36
2512.05:345:36
2612.05:335:36
2712.15:335:36
2812.15:325:36
2912.15:315:36
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 6.8 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 7.17 kWh/m² in October across the year — September's 6.8 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
76.5Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Mzuzu

In seasonPeak

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

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

Mzuzu's monsoon runs December–April, 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 Mzuzu?

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

8.5
Sightseeing
1st-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Mzuzu in September

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

In September, Mzuzu sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

UV index in Mzuzu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 Mzuzu peaks around February 15 at about 16 (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 15UV 16Jun 16UV 9
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Mzuzu 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 Mzuzu is worst in October — around 57 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (December, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateOct 1553 µg/m³Dec 2210 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar11Good
Apr11Good
May12Good
Jun16Moderate
Jul21Moderate
Aug28Moderate
Sep32Moderate
Oct57Unhealthy
Nov24Moderate
Dec9Good
Location & terrain

Where is Mzuzu?

Mzuzu sits at 11.5°S, 34.0°E, 1,275 m above sea level, in Malawi. The nearest listed city is Nkhata Bay, 33 km away.

RumphiMzimbaTingiMbingaMatiriLundaziKigonsera

Topography around Mzuzu

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

Within 3 km, the terrain around Mzuzu has only modest variations in elevation — a maximum elevation change of 193 m around an average of 1,267 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 972 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,043 m.

The land around Mzuzu is covered by artificial surfaces (36%) and shrubs (29%) within 3 km, trees (42%) and shrubs (31%) within 16 km, and water (34%), trees (23%) and shrubs (21%) within 80 km.

3 km
193 m
16 km
972 m
80 km
2,043 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Nkhata Bay 33 km · Rumphi 53 km · Mzimba 67 km · Tingi 112 km · Mbinga 124 km · Matiri 125 km · Lundazi 130 km · Kigonsera 134 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 Mzuzu (-11.4656°, 34.0207°, elevation 1,275 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).