Mbulu weather in September

In September, Mbulu sees average daytime highs of 26°C and overnight lows near 15°C, with 1 mm of rain across 0.2 wet days and about 12 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 27°C by the end. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels dry.

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

Daytime high
26°
7th warmest
Overnight low
15°
4th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 hours
6:33 AM – 6:32 PM
Cloud cover
42%
1st clearest
Wind
16 km/h
1st windiest
Solar energy
6.69 kWh/m²
Travel score
8.4
out of 10

Mbulu is city in Mbulu district, Manyara, Tanzania.

Founded
1907

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 27°C by the end.

A typical September day in Mbulu reaches about 26°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°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°151015202530
Avg high (°C)Avg low (°C)
12514
22614
32614
42614
52614
62614
72614
82615
92615
102615
112615
122615
132615
142615
152615
162615
172715
182715
192715
202715
212715
222715
232715
242715
252715
262715
272715
282715
292715
302715

Mbulu weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°13111.412.26.3
Feb28° / 18°831012.16.2
Mar27° / 18°11311.7126.2
Apr25° / 17°1061411.96.1
May24° / 16°336.211.87.6
Jun24° / 14°40.711.88.4
Jul24° / 13°10.311.88.6
Aug25° / 14°10.211.98.6
Sep26° / 15°10.2128.4
Oct28° / 16°132.712.17.6
Nov27° / 17°607.412.26.8
Dec27° / 17°11711.512.26.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57426
67426
77426
87426
97426
107426
117426
127426
137426
147327
157327
167327
177426
187426
197327
207327
217327
227327
237327
247228
257228
267228
277129
287129
297129
307030

Chance of precipitation in September

Any precipitation

Mbulu gets around 1 mm of rain over 0.2 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 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
181
191
201
211
221
231
241
251
262
272
282
292
303

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14973
15973
16973
17973
18964
19964
20955
21955
22946
23937
24937
25928
26919
27919
289010
298911
308911

Wind in September

Winds average 16 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 6:40 AM to 6:26 AM, and sunset from 6:35 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:406:35
211.96:396:35
311.96:396:35
411.96:386:35
511.96:386:34
611.96:386:34
711.96:376:34
812.06:376:34
912.06:366:33
1012.06:366:33
1112.06:356:33
1212.06:356:33
1312.06:346:32
1412.06:346:32
1512.06:336:32
1612.06:336:32
1712.06:326:31
1812.06:326:31
1912.06:316:31
2012.06:316:31
2112.06:306:30
2212.06:306:30
2312.06:296:30
2412.06:296:29
2512.06:296:29
2612.06:286:29
2712.06:286:29
2812.06:276:29
2912.06:276:28
3012.06:266:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.69 kWh/m².

For context, solar energy here swings from a low near 5.3 kWh/m² to a high of 6.76 kWh/m² in October across the year — September's 6.69 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.4Intense
66.4Intense
76.4Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Mbulu

In seasonPeak

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

Mbulu's rainy season runs November–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 Mbulu?

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

8.4
Sightseeing
3rd-best month of the year
8.2
Beach & pool
1st-best month of the year

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

What to pack for Mbulu in September

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

In September, Mbulu sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Mbulu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mbulu peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Mbulu?

Mbulu sits at 3.9°S, 35.5°E, 1,815 m above sea level, in Tanzania. The nearest listed city is Dongobesh, 29 km away.

Topography around Mbulu

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

Within 3 km, the terrain around Mbulu has significant variations in elevation — a maximum elevation change of 321 m around an average of 1,792 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,175 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,403 m.

The land around Mbulu is covered by cropland (60%) within 3 km, shrubs (38%), trees (23%) and cropland (23%) within 16 km, and shrubs (28%), grassland (27%) and cropland (22%) within 80 km.

3 km
321 m
16 km
1,175 m
80 km
2,403 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Dongobesh 29 km · Magugu 32 km · Dareda 41 km · Bashanet 45 km · Babati 47 km · Galappo 58 km · Kiratu 59 km · Mto wa Mbu 66 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 Mbulu (-3.85°, 35.5333°, elevation 1,815 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).