Bukoba weather in September

In September, Bukoba sees average daytime highs of 25°C and overnight lows near 18°C, with 110 mm of rain across 19.1 wet days and about 12 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 20% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Bukoba's 4th-clearest and 6th-windiest month. For the whole year in context, see Bukoba's year-round climate.

Daytime high
25°
4th warmest
Overnight low
18°
4th coldest
Rainfall
110 mm
19.1 wet days
Daylight
12 hours
6:47 AM – 6:47 PM
Cloud cover
68%
4th clearest
Wind
8 km/h
6th windiest
Solar energy
5.52 kWh/m²
Travel score
5.2
out of 10

Bukoba is city in Kagera, 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 25°C through the month.

A typical September day in Bukoba reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52518
62518
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292518
302518

Bukoba weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°1202112.14.9
Feb26° / 19°11418.8124.9
Mar26° / 19°15122.4124.7
Apr25° / 19°18624.6124.2
May25° / 19°1182011.95.2
Jun25° / 18°479.411.96.8
Jul25° / 17°29511.97.6
Aug25° / 18°7412.6126.4
Sep25° / 18°11019.1125.2
Oct25° / 19°16024.9124.4
Nov25° / 19°16926.212.14.1
Dec25° / 19°14024.212.14.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24357
34357
44258
54258
64159
74159
84060
94060
104060
113961
123862
133862
143763
153565
163565
173565
183466
193367
203268
213268
223169
233070
242971
252872
262872
272872
282674
292575
302575

Chance of precipitation in September

Any precipitation

Bukoba gets around 110 mm of rain over 19.1 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 63% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
153
255
356
457
558
659
760
861
961
1062
1162
1263
1363
1463
1564
1664
1764
1864
1964
2065
2165
2265
2366
2467
2567
2668
2769
2870
2971
3072

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
164747
254648
354650
444551
544452
634354
734255
824157
923959
1023860
1123761
1213663
1313564
1413465
1513267
1613168
1713069
1812871
1912772
2012673
2112574
2212376
2312277
2412178
2512079
2612079
2711980
2811881
2901783
3001783

Wind in September

Winds average 8 km/h in September.

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
19calm
29calm
39calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:53 AM to 6:42 AM, and sunset from 6:52 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:536:52
212.06:536:51
312.06:526:51
412.06:526:51
512.06:526:50
612.06:516:50
712.06:516:50
812.06:516:50
912.06:506:49
1012.06:506:49
1112.06:496:49
1212.06:496:48
1312.06:496:48
1412.06:486:48
1512.06:486:47
1612.06:476:47
1712.06:476:47
1812.06:466:46
1912.06:466:46
2012.06:466:46
2112.06:456:45
2212.06:456:45
2312.06:446:45
2412.06:446:44
2512.06:446:44
2612.06:436:44
2712.06:436:43
2812.06:426:43
2912.06:426:43
3012.06:426:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 5.88 kWh/m² in February across the year — September's 5.52 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Bukoba?

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

5.2
Sightseeing
4th-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Bukoba for sightseeing.

What to pack for Bukoba in September

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

In September, Bukoba sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

UV index in Bukoba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bukoba peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jun 19UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Bukoba 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 Bukoba is worst in January — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1927 µg/m³Apr 2113 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb24Moderate
Mar18Moderate
Apr13Moderate
May14Moderate
Jun20Moderate
Jul24Moderate
Aug26Moderate
Sep21Moderate
Oct16Moderate
Nov16Moderate
Dec20Moderate
Location & terrain

Where is Bukoba?

Bukoba sits at 1.3°S, 31.8°E, 1,149 m above sea level, in Tanzania. The nearest listed city is Katerero, 12 km away.

KasaaliKalisizoLwengoMasaka

Topography around Bukoba

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

Within 3 km, the terrain around Bukoba has only modest variations in elevation — a maximum elevation change of 200 m around an average of 1,197 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 575 m.

The land around Bukoba is covered by trees (39%) and artificial surfaces (23%) within 3 km, water (40%), grassland (25%) and trees (22%) within 16 km, and water (54%) and grassland (22%) within 80 km.

3 km
200 m
16 km
250 m
80 km
575 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Katerero 12 km · Kamachumu 38 km · Nsunga 51 km · Nshamba 59 km · Kasaali 85 km · Kalisizo 91 km · Lwengo 111 km · Masaka 111 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 Bukoba (-1.3317°, 31.8122°, elevation 1,149 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).