Mbala weather in September

In September, Mbala sees average daytime highs of 29°C and overnight lows near 18°C, with 3 mm of rain across 0.8 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 44% 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 Mbala's 5th-clearest and 5th-windiest month. For the whole year in context, see Mbala's year-round climate.

Daytime high
29°
1st warmest
Overnight low
18°
5th coldest
Rainfall
3 mm
0.8 wet days
Daylight
12 hours
5:50 AM – 5:47 PM
Cloud cover
43%
5th clearest
Wind
9 km/h
5th windiest
Solar energy
6.67 kWh/m²
Travel score
6.8
out of 10

Mbala is human settlement.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Mbala reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62918
72918
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212919
222919
232919
243019
253019
263019
273019
283019
293019
303019

Mbala weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°19724.612.54.3
Feb25° / 18°1592112.34.5
Mar26° / 19°21126.312.14.1
Apr26° / 18°10716.511.85.6
May27° / 17°102.611.68.0
Jun26° / 16°0011.58.8
Jul26° / 15°0011.59.0
Aug27° / 16°00.111.78.4
Sep29° / 18°30.811.96.8
Oct29° / 20°527.912.25.6
Nov27° / 19°20722.312.44.5
Dec25° / 18°26327.212.54.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 31% of September, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28218
38020
48020
57921
67822
77723
87723
97723
107723
117624
127624
137624
147624
157624
167624
177624
187624
197624
207624
217525
227426
237327
247228
257030
267030
276832
286733
296535
306535

Chance of precipitation in September

Any precipitation

Mbala gets around 3 mm of rain over 0.8 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 4% and peaks near 9% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
11
21
32
42
52
62
73
83
93
103
113
123
133
143
153
163
173
182
192
202
213
223
234
244
255
266
277
288
298
309

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
497300
596310
696310
795410
895410
994510
1094510
1194510
1294510
1393610
1493610
1593610
1693610
1793610
1893610
1992710
2092710
2191810
2291810
2389920
24881020
25861130
26831340
27811441
28791551
29761761
30751861

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:59 AM to 5:42 AM, and sunset from 5:49 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:595:49
211.85:595:49
311.85:585:49
411.95:585:49
511.95:575:49
611.95:565:49
711.95:565:48
811.95:555:48
911.95:555:48
1011.95:545:48
1111.95:535:48
1211.95:535:48
1311.95:525:48
1411.95:525:48
1511.95:515:48
1612.05:505:47
1712.05:505:47
1812.05:495:47
1912.05:485:47
2012.05:485:47
2112.05:475:47
2212.05:475:47
2312.05:465:47
2412.05:455:46
2512.05:455:46
2612.05:445:46
2712.05:445:46
2812.15:435:46
2912.15:425:46
3012.15:425:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.67 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.35 kWh/m² to a high of 6.67 kWh/m² in September across the year — September's 6.67 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Mbala

In seasonPeak

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

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

Mbala's monsoon runs November–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 Mbala?

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

6.8
Sightseeing
5th-best month of the year
8.6
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Mbala for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mbala in September

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

In September, Mbala sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 17Jun 17UV 10
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Mbala 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 Mbala is worst in September — around 31 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (May, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1331 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar9Good
Apr8Good
May6Good
Jun9Good
Jul18Moderate
Aug29Moderate
Sep31Moderate
Oct26Moderate
Nov13Moderate
Dec8Good
Location & terrain

Where is Mbala?

Mbala sits at 8.8°S, 31.4°E, 1,622 m above sea level, in Zambia. The nearest listed city is Mpulungu, 29 km away.

LaelaSumbawangaChalaMporokosoNamanyereKasama

Topography around Mbala

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

Within 3 km, the terrain around Mbala has only modest variations in elevation — a maximum elevation change of 137 m around an average of 1,623 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 791 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,499 m.

The land around Mbala is covered by cropland (41%) within 3 km, grassland (31%), trees (30%) and shrubs (20%) within 16 km, and trees (28%), cropland (25%) and grassland (20%) within 80 km.

3 km
137 m
16 km
791 m
80 km
1,499 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Mpulungu 29 km · Matai 62 km · Laela 81 km · Sumbawanga 101 km · Chala 140 km · Mporokoso 149 km · Namanyere 151 km · Kasama 154 km

Zambia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 30% of US
price level, 2025
GDP per capita
$1,318
2025
Happiness
4.1 / 10
World Happiness, 2025
Homicide rate
5.2
per 100k, 2015
Road deaths
20.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 573
Religion
Protestant 75%Roman Catholic 20%other 3%none 2%

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 Mbala (-8.8402°, 31.3659°, elevation 1,622 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).