Kigoma weather in September

In September, Kigoma sees average daytime highs of 30°C and overnight lows near 22°C, with 24 mm of rain across 4.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Kigoma's 4th-clearest and 1st-windiest month. For the whole year in context, see Kigoma's year-round climate.

Daytime high
30°
1st warmest
Overnight low
22°
11th coldest
Rainfall
24 mm
4.9 wet days
Daylight
12 hours
6:57 AM – 6:55 PM
Cloud cover
51%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
6.5 kWh/m²
Travel score
5.5
out of 10

Kigoma is city in Tanzania.

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 30°C through the month.

A typical September day in Kigoma reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

Kigoma 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
Jan26° / 21°2542812.33.7
Feb27° / 22°20123.812.24.0
Mar27° / 21°27127.9123.8
Apr27° / 21°26426.311.93.8
May28° / 21°10415.611.85.6
Jun28° / 21°112.211.77.1
Jul29° / 20°10.311.77.3
Aug30° / 21°61.211.86.5
Sep30° / 22°244.9125.5
Oct28° / 22°1421812.14.7
Nov26° / 21°2762712.23.7
Dec26° / 21°29829.512.33.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27030
36931
46931
56832
66832
76832
86634
96634
106634
116436
126436
136337
146337
156238
166238
176139
186139
196040
205941
215842
225743
235545
245347
255248
265050
275050
284852
294654
304456

Chance of precipitation in September

Any precipitation

Kigoma gets around 24 mm of rain over 4.9 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 17% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
19
29
310
410
511
611
712
812
913
1014
1114
1214
1315
1415
1515
1616
1716
1817
1917
2018
2119
2220
2321
2423
2524
2626
2728
2829
2931
3033

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
134140150
234041160
333843160
423744170
523645170
623546180
713446180
813347190
913248200
1013148200
1113049210
1202849220
1302749230
1402749240
1502649250
1602549260
1702548270
1802448280
1902347290
2002346300
2112246320
2212145330
2312044350
2412043370
2511941390
2611840410
2711739431
2811638451
2911536471
3011435491

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 7:04 AM to 6:50 AM, and sunset from 6:58 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:046:58
211.97:046:58
311.97:036:58
411.97:036:58
511.97:026:58
611.97:026:57
711.97:016:57
811.97:016:57
911.97:006:57
1011.97:006:56
1112.06:596:56
1212.06:596:56
1312.06:586:56
1412.06:586:55
1512.06:576:55
1612.06:576:55
1712.06:566:55
1812.06:566:55
1912.06:556:54
2012.06:556:54
2112.06:546:54
2212.06:546:54
2312.06:536:53
2412.06:536:53
2512.06:526:53
2612.06:526:53
2712.06:516:53
2812.06:516:52
2912.06:506:52
3012.06:506:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.06 kWh/m² to a high of 6.5 kWh/m² in September across the year — September's 6.5 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Kigoma

In seasonPeak

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

Kigoma's rainy season runs October–April, when most of the year's rain falls.

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

Is September a good time to visit Kigoma?

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

5.5
Sightseeing
5th-best month of the year
7.6
Beach & pool
4th-best month of the year

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

What to pack for Kigoma in September

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

In September, Kigoma sees daytime highs around 30°C and nights near 22°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Kigoma 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 Kigoma peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 15Aug 14UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug7Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Kigoma 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 Kigoma is worst in August — around 51 µg/m³ PM2.5 (poor), about 5.5× the cleanest month (April, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodAug 1450 µg/m³Apr 189 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar12Good
Apr9Good
May11Good
Jun25Moderate
Jul45Poor
Aug51Poor
Sep38Poor
Oct19Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Kigoma?

Kigoma sits at 4.9°S, 29.6°E, 769 m above sea level, in Tanzania. The nearest listed city is Mwandiga, 6.0 km away.

VyandaUvinzaRumongeKalemieNgurukaGitega

Topography around Kigoma

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

Within 3 km, the terrain around Kigoma has only modest variations in elevation — a maximum elevation change of 177 m around an average of 820 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 607 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,930 m.

The land around Kigoma is covered by artificial surfaces (38%) and water (32%) within 3 km, water (56%) within 16 km, and water (44%), grassland (24%) and trees (20%) within 80 km.

3 km
177 m
16 km
607 m
80 km
1,930 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Mwandiga 6.0 km · Kasulu 62 km · Vyanda 86 km · Uvinza 88 km · Rumonge 103 km · Kalemie 128 km · Nguruka 159 km · Gitega 165 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 Kigoma (-4.8769°, 29.6267°, elevation 769 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).