Katumba weather in September

In September, Katumba sees average daytime highs of 24°C and overnight lows near 13°C, with 11 mm of rain across 3 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 59% 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 Katumba's 1st-clearest and 1st-windiest month. For the whole year in context, see Katumba's year-round climate.

Daytime high
24°
5th warmest
Overnight low
13°
4th coldest
Rainfall
11 mm
3 wet days
Daylight
11 h 54 min
6:41 AM – 6:38 PM
Cloud cover
37%
1st clearest
Wind
9 km/h
1st windiest
Solar energy
6.72 kWh/m²
Travel score
8.4
out of 10

Katumba is ward of Tanzania.

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 25°C by the end.

A typical September day in Katumba reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°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)
12212
22312
32312
42312
52312
62312
72312
82312
92312
102312
112312
122312
132412
142413
152413
162413
172413
182413
192413
202413
212413
222413
232513
242513
252513
262513
272514
282514
292514
302514

Katumba weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°45629.412.53.7
Feb24° / 16°36625.712.33.8
Mar23° / 16°36229.112.13.7
Apr22° / 15°18624.511.84.2
May21° / 13°4411.611.66.2
Jun19° / 10°93.311.57.2
Jul19° / 10°103.411.57.2
Aug21° / 11°82.411.78.0
Sep24° / 13°11311.98.4
Oct25° / 15°481012.27.0
Nov25° / 16°17918.712.45.4
Dec24° / 16°4002712.54.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 18%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38218
48218
58218
68218
78218
88218
98218
108218
118317
128317
138317
148317
158317
168317
178317
188416
198416
208416
218317
228317
238218
248218
258119
268020
278020
287921
297921
307822

Chance of precipitation in September

Any precipitation

Katumba gets around 11 mm of rain over 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 11% and peaks near 16% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
18
28
39
49
510
610
710
811
911
1011
1111
1211
1311
1411
1511
1610
1710
1810
1910
209
219
2210
2310
2411
2511
2612
2713
2814
2915
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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1964
2964
3955
4955
5946
6946
7937
8928
9928
10919
11919
129010
139010
149010
158911
168911
178911
188911
198911
208911
218911
228812
238713
248614
258515
268416
278317
288119
298020
307822

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 8 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
18calm
28calm
38calm
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
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 6:51 AM to 6:33 AM, and sunset from 6:40 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:516:40
211.86:506:40
311.86:496:40
411.86:496:40
511.96:486:40
611.96:486:39
711.96:476:39
811.96:466:39
911.96:466:39
1011.96:456:39
1111.96:456:39
1211.96:446:39
1311.96:436:39
1411.96:436:39
1511.96:426:38
1611.96:416:38
1712.06:416:38
1812.06:406:38
1912.06:396:38
2012.06:396:38
2112.06:386:38
2212.06:386:38
2312.06:376:38
2412.06:366:38
2512.06:366:37
2612.06:356:37
2712.06:346:37
2812.16:346:37
2912.16:336:37
3012.16:336:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.72 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 6.95 kWh/m² in October across the year — September's 6.72 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.6Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Katumba

In seasonPeak

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

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

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

Is September a good time to visit Katumba?

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

8.4
Sightseeing
1st-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Katumba in September

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

In September, Katumba sees daytime highs around 24°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 3 days see rain.

sun protectionlight clothes

UV index in Katumba 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 Katumba peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jun 16UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Katumba 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 Katumba is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1219 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May7Good
Jun8Good
Jul11Good
Aug15Moderate
Sep18Moderate
Oct19Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Katumba?

Katumba sits at 9.2°S, 33.6°E, 1,387 m above sea level, in Tanzania. The nearest listed city is Tukuyu, 4.0 km away.

Topography around Katumba

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

Within 3 km, the terrain around Katumba has only modest variations in elevation — a maximum elevation change of 237 m around an average of 1,378 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,473 m.

The land around Katumba is covered by trees (77%) within 3 km, trees (68%) and shrubs (23%) within 16 km, and trees (36%), cropland (27%) and shrubs (24%) within 80 km.

3 km
237 m
16 km
2,150 m
80 km
2,473 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Tukuyu 4.0 km · Kiwira 11 km · Mbeya 41 km · Ipinda 42 km · Kyela 47 km · Utengule 48 km · Igurusi 50 km · Chimala 61 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Katumba (-9.2333°, 33.6167°, elevation 1,387 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. 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).