Matongo weather in September

In September, Matongo sees average daytime highs of 31°C and overnight lows near 17°C, with 29 mm of rain across 6.7 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 17% of the time in September, and the air most often feels dry.

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 Matongo's 3rd-clearest and 1st-windiest month. For the whole year in context, see Matongo's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
29 mm
6.7 wet days
Daylight
12 hours
6:36 AM – 6:36 PM
Cloud cover
63%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
6.03 kWh/m²
Travel score
5.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Matongo reaches about 31°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13017
23017
33017
43017
53017
63017
73017
83017
93017
103017
113017
123017
133017
143117
153117
163117
173117
183117
193118
203118
213118
223118
233118
243118
253118
263118
273118
283118
293118
303118

Matongo weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°9615.712.14.8
Feb30° / 17°7212.9124.4
Mar30° / 17°12316.3124.3
Apr29° / 17°15118.7124.3
May28° / 17°7813.711.95.4
Jun29° / 17°235.311.96.1
Jul29° / 17°103.211.96.1
Aug30° / 17°225125.6
Sep31° / 17°296.7125.0
Oct31° / 18°6110124.4
Nov29° / 17°14317.712.14.2
Dec28° / 17°13318.712.14.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
35050
45149
55149
65248
75248
85248
95248
105248
115248
125248
135248
145149
155149
165149
175149
184951
194852
204852
214753
224654
234654
244456
254357
264258
274159
284159
294060
303961

Chance of precipitation in September

Any precipitation

Matongo gets around 29 mm of rain over 6.7 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 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
123
223
324
424
524
624
724
824
924
1024
1124
1223
1323
1423
1522
1622
1721
1821
1921
2021
2121
2221
2321
2421
2521
2621
2722
2822
2922
3023

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1553411
2543511
3543511
4543511
5543511
6553411
7553411
8553411
9563311
10563311
11573310
12583210
13583210
14583210
15593110
1660319
1760319
1860319
1960319
2060319
2159329
2259329
2358339
2457349
25563410
26553510
27543610
28533611
29523711
30513811

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 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 6:42 AM to 6:31 AM, and sunset from 6:41 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:426:41
212.06:426:40
312.06:426:40
412.06:416:40
512.06:416:40
612.06:416:39
712.06:406:39
812.06:406:39
912.06:396:38
1012.06:396:38
1112.06:396:38
1212.06:386:37
1312.06:386:37
1412.06:376:37
1512.06:376:36
1612.06:366:36
1712.06:366:36
1812.06:366:35
1912.06:356:35
2012.06:356:35
2112.06:346:34
2212.06:346:34
2312.06:346:34
2412.06:336:33
2512.06:336:33
2612.06:326:33
2712.06:326:32
2812.06:326:32
2912.06:316:32
3012.06:316:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.03 kWh/m².

For context, solar energy here swings from a low near 5.28 kWh/m² to a high of 6.35 kWh/m² in February across the year — September's 6.03 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
Planning a trip in September

Is September a good time to visit Matongo?

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

5.0
Sightseeing
5th-best month of the year
7.1
Beach & pool
4th-best month of the year

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

What to pack for Matongo in September

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

In September, Matongo sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Matongo 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 Matongo peaks around March 17 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 17UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Matongo 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 Matongo is worst in July — around 46 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (October, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1545 µg/m³Oct 2328 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb28Moderate
Mar30Moderate
Apr29Moderate
May31Moderate
Jun39Poor
Jul46Poor
Aug35Moderate
Sep31Moderate
Oct28Moderate
Nov28Moderate
Dec28Moderate
Location & terrain

Where is Matongo?

Matongo sits at 1.5°S, 34.5°E, 1,223 m above sea level, in Tanzania. The nearest listed city is Tarime, 22 km away.

Butiama

Topography around Matongo

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

Within 3 km, the terrain around Matongo has significant variations in elevation — a maximum elevation change of 260 m around an average of 1,275 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 698 m; within 80 km, large variations in elevation — a maximum elevation change of 989 m.

The land around Matongo is covered by grassland (46%) and shrubs (23%) within 3 km, grassland (37%) and shrubs (27%) within 16 km, and grassland (50%) and cropland (21%) within 80 km.

3 km
260 m
16 km
698 m
80 km
989 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Tarime 22 km · Sirari 24 km · Isebania 28 km · Kihancha 32 km · Migori 45 km · Mugumu 47 km · Awendo 62 km · Butiama 70 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 Matongo (-1.4677°, 34.5228°, elevation 1,223 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).