Mto wa Mbu weather in September

In September, Mto wa Mbu sees average daytime highs of 22°C and overnight lows near 11°C, with 16 mm of rain across 4.1 wet days and about 12 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 27% 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 Mto wa Mbu's 1st-clearest and 2nd-windiest month. For the whole year in context, see Mto wa Mbu's year-round climate.

Daytime high
22°
8th warmest
Overnight low
11°
3rd coldest
Rainfall
16 mm
4.1 wet days
Daylight
12 hours
6:31 AM – 6:30 PM
Cloud cover
56%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
6.41 kWh/m²
Travel score
7.6
out of 10

Mto wa Mbu is human settlement.

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 21°C in the first days to 23°C by the end.

A typical September day in Mto wa Mbu reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12110
22110
32111
42111
52111
62211
72211
82211
92211
102211
112211
122211
132211
142211
152211
162211
172211
182211
192311
202311
212311
222311
232311
242311
252311
262311
272311
282311
292312
302312

Mto wa Mbu weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°30514.412.26.2
Feb25° / 14°20011.512.16.4
Mar24° / 14°24516.8125.8
Apr22° / 14°21725.711.94.2
May21° / 13°13219.411.95.0
Jun20° / 11°35911.86.1
Jul19° / 10°23611.86.5
Aug20° / 10°226.411.96.7
Sep22° / 11°164.1127.6
Oct23° / 12°481012.16.9
Nov24° / 14°12916.412.25.8
Dec24° / 14°24817.312.25.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54456
64555
74654
84753
94951
105050
115149
125248
135347
145347
155545
165644
175644
185743
195842
205842
215941
225842
235842
245842
255644
265644
275644
285545
295545
305446

Chance of precipitation in September

Any precipitation

Mto wa Mbu gets around 16 mm of rain over 4.1 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 19% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
117
216
316
416
515
615
715
814
914
1014
1114
1214
1313
1413
1513
1613
1713
1813
1913
2013
2113
2214
2314
2415
2515
2616
2717
2818
2918
3019

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 (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22973
23973
24973
25964
26964
27955
28955
29946
30946

Wind in September

Winds average 9 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:38 AM to 6:25 AM, and sunset from 6:34 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:386:34
211.96:386:34
311.96:376:34
411.96:376:34
511.96:376:33
612.06:366:33
712.06:366:33
812.06:356:33
912.06:356:32
1012.06:346:32
1112.06:346:32
1212.06:336:31
1312.06:336:31
1412.06:326:31
1512.06:326:31
1612.06:316:30
1712.06:316:30
1812.06:316:30
1912.06:306:30
2012.06:306:29
2112.06:296:29
2212.06:296:29
2312.06:286:28
2412.06:286:28
2512.06:276:28
2612.06:276:28
2712.06:266:27
2812.06:266:27
2912.06:266:27
3012.06:256:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.41 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 6.59 kWh/m² in February across the year — September's 6.41 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.5Intense
186.5Intense
196.5Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.6Intense
Planning a trip in September

Hazard calendar for Mto wa Mbu

In seasonPeak

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

Mto wa Mbu'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 Mto wa Mbu?

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

7.6
Sightseeing
1st-best month of the year
5.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Mto wa Mbu for general sightseeing.

What to pack for Mto wa Mbu in September

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

In September, Mto wa Mbu sees daytime highs around 22°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

UV index in Mto wa Mbu 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 Mto wa Mbu 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
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Mto wa Mbu?

Mto wa Mbu sits at 3.4°S, 35.9°E, 985 m above sea level, in Tanzania. The nearest listed city is Kiratu, 20 km away.

MaguguArushaDongobeshBabatiGalappo

Topography around Mto wa Mbu

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

Within 3 km, the terrain around Mto wa Mbu has significant variations in elevation — a maximum elevation change of 419 m around an average of 1,070 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,164 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,023 m.

The land around Mto wa Mbu is covered by trees (50%) within 3 km, grassland (32%) within 16 km, and grassland (46%) and shrubs (26%) within 80 km.

3 km
419 m
16 km
1,164 m
80 km
3,023 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kiratu 20 km · Makuyuni 36 km · Mbulu 66 km · Magugu 75 km · Arusha 93 km · Dongobesh 95 km · Babati 97 km · Galappo 102 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 Mto wa Mbu (-3.35°, 35.85°, elevation 985 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).