Mlowo weather in September

In September, Mlowo sees average daytime highs of 28°C and overnight lows near 15°C, with 3 mm of rain across 0.8 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 29°C by the end. The sky is clear or mostly clear about 46% 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 Mlowo's 4th-clearest and 5th-windiest month. For the whole year in context, see Mlowo's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
15°
5th coldest
Rainfall
3 mm
0.8 wet days
Daylight
12 hours
6:44 AM – 6:41 PM
Cloud cover
43%
4th clearest
Wind
11 km/h
5th windiest
Solar energy
6.73 kWh/m²
Travel score
7.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 29°C by the end.

A typical September day in Mlowo reaches about 28°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12714
22814
32815
42815
52815
62815
72815
82815
92815
102815
112815
122815
132815
142815
152815
162915
172915
182915
192916
202916
212916
222916
232916
242916
252916
262916
272916
282916
292916
302916

Mlowo weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°24026.912.54.0
Feb25° / 17°18922.812.34.2
Mar25° / 17°25627.112.14.0
Apr25° / 16°1602011.85.2
May25° / 15°234.711.67.9
Jun25° / 13°00.111.59.0
Jul25° / 12°0011.59.1
Aug26° / 14°10.211.78.6
Sep28° / 15°30.811.97.3
Oct30° / 17°245.812.25.7
Nov29° / 17°10214.512.45.0
Dec26° / 17°2242412.54.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 30% of September, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
27822
37723
47723
57624
67624
77525
87525
97525
107525
117624
127624
137624
147624
157624
167624
177723
187723
197723
207822
217723
227624
237624
247525
257426
267327
277327
287228
297129
307129

Chance of precipitation in September

Any precipitation

Mlowo gets around 3 mm of rain over 0.8 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 3% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
63
73
83
93
103
113
123
133
143
153
163
173
183
192
202
213
223
233
244
255
265
276
287
297
308

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25973
26973
27964
28955
29955
30946

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:53 AM to 6:35 AM, and sunset from 6:43 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:536:43
211.86:526:42
311.86:526:42
411.96:516:42
511.96:516:42
611.96:506:42
711.96:496:42
811.96:496:42
911.96:486:42
1011.96:486:42
1111.96:476:42
1211.96:466:41
1311.96:466:41
1411.96:456:41
1511.96:446:41
1612.06:446:41
1712.06:436:41
1812.06:436:41
1912.06:426:41
2012.06:416:40
2112.06:416:40
2212.06:406:40
2312.06:396:40
2412.06:396:40
2512.06:386:40
2612.06:386:40
2712.06:376:40
2812.16:366:40
2912.16:366:40
3012.16:356:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.73 kWh/m².

For context, solar energy here swings from a low near 5.38 kWh/m² to a high of 6.87 kWh/m² in October across the year — September's 6.73 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Mlowo

In seasonPeak

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

Mlowo's monsoon runs December–April, 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 Mlowo?

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

7.3
Sightseeing
5th-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Mlowo in September

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

In September, Mlowo sees daytime highs around 28°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Mlowo 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 Mlowo peaks around February 17 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 17UV 16Jun 16UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme

Air quality in Mlowo 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 Mlowo is worst in October — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1020 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar12Good
Apr10Good
May8Good
Jun8Good
Jul11Good
Aug16Moderate
Sep20Moderate
Oct20Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Mlowo?

Mlowo sits at 9.0°S, 33.0°E, 1,591 m above sea level, in Tanzania. The nearest listed city is Vwawa, 13 km away.

MakongolosiMatundasi

Topography around Mlowo

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

Within 3 km, the terrain around Mlowo has only modest variations in elevation — a maximum elevation change of 158 m around an average of 1,583 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 503 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,143 m.

The land around Mlowo is covered by cropland (68%) within 3 km, cropland (65%) and trees (21%) within 16 km, and cropland (36%), shrubs (26%) and trees (24%) within 80 km.

3 km
158 m
16 km
503 m
80 km
2,143 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Vwawa 13 km · Utengule 40 km · Tunduma 41 km · Nakonde 46 km · Mbeya 52 km · Kiwira 64 km · Makongolosi 69 km · Matundasi 69 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 Mlowo (-9°, 32.9833°, elevation 1,591 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).