Rumphi weather in September

In September, Rumphi sees average daytime highs of 27°C and overnight lows near 14°C, with 1 mm of rain across 0.3 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 79% 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 Rumphi's 1st-clearest and 2nd-windiest month. For the whole year in context, see Rumphi's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
14°
5th coldest
Rainfall
1 mm
0.3 wet days
Daylight
11 h 54 min
5:41 AM – 5:37 PM
Cloud cover
23%
1st clearest
Wind
14 km/h
2nd windiest
Solar energy
6.86 kWh/m²
Travel score
8.7
out of 10

Rumphi is city in Rumphi District, 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 28°C by the end.

A typical September day in Rumphi reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12613
22613
32613
42613
52613
62613
72613
82613
92614
102614
112714
122714
132714
142714
152714
162714
172714
182714
192715
202715
212715
222815
232815
242815
252815
262815
272815
282815
292815
302815

Rumphi weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°21127.312.63.9
Feb25° / 17°17223.112.44.1
Mar25° / 16°1762612.14.2
Apr25° / 15°8715.911.85.9
May25° / 13°153.811.58.2
Jun23° / 11°10.111.48.9
Jul23° / 10°10.311.48.8
Aug25° / 12°10.211.69.1
Sep27° / 14°10.311.98.7
Oct29° / 16°71.812.27.2
Nov29° / 17°588.412.55.8
Dec26° / 17°17622.412.64.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5919
6919
7919
8919
9928
10928
11928
12928
13928
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24928
25928
26919
27919
28919
299010
309010

Chance of precipitation in September

Any precipitation

Rumphi gets around 1 mm of rain over 0.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
61
71
81
91
101
111
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7973
8973
9973
10973
11964
12964
13964
14955
15955
16955
17955
18955
19955
20955
21955
22946
23946
24937
25937
26928
27919
289010
298911
308812

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 5:51 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)
111.85:515:38
211.85:505:38
311.85:495:38
411.85:495:38
511.85:485:38
611.85:475:38
711.85:475:38
811.95:465:38
911.95:455:37
1011.95:455:37
1111.95:445:37
1211.95:435:37
1311.95:435:37
1411.95:425:37
1511.95:415:37
1611.95:415:37
1712.05:405:37
1812.05:395:37
1912.05:395:37
2012.05:385:37
2112.05:375:37
2212.05:375:37
2312.05:365:37
2412.05:355:37
2512.05:355:37
2612.05:345:37
2712.15:335:37
2812.15:335:37
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 6.86 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 7.16 kWh/m² in October across the year — September's 6.86 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.6Intense
76.6Intense
86.6Intense
96.7Intense
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 Rumphi

In seasonPeak

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

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

Rumphi'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 Rumphi?

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

8.7
Sightseeing
4th-best month of the year
8.7
Beach & pool
2nd-best month of the year

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

What to pack for Rumphi in September

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

In September, Rumphi sees daytime highs around 27°C and nights near 14°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Rumphi 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 Rumphi peaks around February 15 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 17Jun 15UV 10
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr13Extreme
May10Very high
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme

Air quality in Rumphi 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 Rumphi 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 Rumphi?

Rumphi sits at 11.0°S, 33.9°E, 1,084 m above sea level, in Malawi. The nearest listed city is Mzuzu, 53 km away.

MzuzuNkhata BayMzimbaMatiriKarongaMbingaTingiKigonsera

Topography around Rumphi

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

Within 3 km, the terrain around Rumphi has significant variations in elevation — a maximum elevation change of 581 m around an average of 1,145 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,188 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,119 m.

The land around Rumphi is covered by cropland (46%) and shrubs (26%) within 3 km, cropland (43%), shrubs (29%) and trees (22%) within 16 km, and trees (29%) and shrubs (24%) within 80 km.

3 km
581 m
16 km
1,188 m
80 km
2,119 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Mzuzu 53 km · Nkhata Bay 81 km · Mzimba 102 km · Matiri 118 km · Karonga 121 km · Mbinga 127 km · Tingi 132 km · Kigonsera 132 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 Rumphi (-11.0186°, 33.8575°, elevation 1,084 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).