Musoma weather in September

In September, Musoma sees average daytime highs of 27°C and overnight lows near 21°C, with 67 mm of rain across 12 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 27°C through the month. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels humid.

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 Musoma's 4th-clearest and 3rd-windiest month. For the whole year in context, see Musoma's year-round climate.

Daytime high
27°
1st warmest
Overnight low
21°
9th coldest
Rainfall
67 mm
12 wet days
Daylight
12 hours
6:39 AM – 6:39 PM
Cloud cover
58%
4th clearest
Wind
10 km/h
3rd windiest
Solar energy
6.22 kWh/m²
Travel score
6.2
out of 10

Musoma is city.

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 27°C through the month.

A typical September day in Musoma reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721

Musoma 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°9316.112.15.7
Feb27° / 21°8112.8125.9
Mar27° / 21°14018.5125.2
Apr26° / 21°17821.7124.5
May26° / 21°11516.711.95.6
Jun27° / 21°428.611.96.8
Jul27° / 20°255.811.97.2
Aug27° / 21°549.7126.7
Sep27° / 21°6712126.2
Oct26° / 21°12618.9125.1
Nov26° / 21°15021.412.14.7
Dec26° / 21°14020.412.15.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75842
85941
95842
105842
115842
125644
135644
145644
155545
165446
175347
185149
195050
205050
214753
224654
234654
244456
254357
264258
274060
284060
293961
303862

Chance of precipitation in September

Any precipitation

Musoma gets around 67 mm of rain over 12 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 40% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
138
238
338
439
539
639
739
839
939
1039
1138
1238
1338
1437
1537
1636
1736
1837
1937
2038
2139
2240
2341
2442
2543
2645
2746
2848
2949
3050

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11174636
21174736
31164736
40164836
50154836
60154936
70154936
80144937
90144837
100144838
110144838
120134838
130134839
140134839
150134839
160124840
170124840
180114841
190114741
200114742
210104643
220104644
23094545
24094447
25084448
26084349
27084250
28074251
29074152
30064054

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:45 AM to 6:34 AM, and sunset from 6:44 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:456:44
212.06:456:43
312.06:456:43
412.06:446:43
512.06:446:42
612.06:436:42
712.06:436:42
812.06:436:41
912.06:426:41
1012.06:426:41
1112.06:416:41
1212.06:416:40
1312.06:416:40
1412.06:406:40
1512.06:406:39
1612.06:396:39
1712.06:396:39
1812.06:396:38
1912.06:386:38
2012.06:386:38
2112.06:376:37
2212.06:376:37
2312.06:366:37
2412.06:366:36
2512.06:366:36
2612.06:356:36
2712.06:356:35
2812.06:356:35
2912.06:346:35
3012.06:346:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.22 kWh/m².

For context, solar energy here swings from a low near 5.52 kWh/m² to a high of 6.42 kWh/m² in February across the year — September's 6.22 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Is September a good time to visit Musoma?

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

6.2
Sightseeing
4th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Musoma in September

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

In September, Musoma sees daytime highs around 27°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Musoma 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 Musoma peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Musoma 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 Musoma is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1521 µg/m³Apr 1510 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar12Good
Apr10Good
May12Good
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct12Good
Nov10Good
Dec12Good
Location & terrain

Where is Musoma?

Musoma sits at 1.5°S, 33.8°E, 1,148 m above sea level, in Tanzania. The nearest listed city is Butiama, 35 km away.

IsebaniaSirariMatongo

Topography around Musoma

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

Within 3 km, the terrain around Musoma has only modest variations in elevation — a maximum elevation change of 96 m around an average of 1,149 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 269 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Musoma is covered by water (44%) and artificial surfaces (32%) within 3 km, water (37%) and cropland (31%) within 16 km, and water (48%) and cropland (24%) within 80 km.

3 km
96 m
16 km
269 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Butiama 35 km · Shirati 46 km · Nyamuswa 51 km · Bunda 59 km · Tarime 65 km · Isebania 80 km · Sirari 80 km · Matongo 80 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 Musoma (-1.5°, 33.8°, elevation 1,148 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).