Tunduru weather in September

In September, Tunduru sees average daytime highs of 30°C and overnight lows near 18°C, with 3 mm of rain across 0.7 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 44% of the time in September, and the air most often feels comfortable.

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 Tunduru's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Tunduru's year-round climate.

Daytime high
30°
4th warmest
Overnight low
18°
4th coldest
Rainfall
3 mm
0.7 wet days
Daylight
11 h 54 min
6:27 AM – 6:23 PM
Cloud cover
42%
2nd clearest
Wind
10 km/h
3rd windiest
Solar energy
6.1 kWh/m²
Travel score
6.5
out of 10

Tunduru is human settlement in Tanzania.

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 29°C in the first days to 30°C by the end.

A typical September day in Tunduru reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12817
22917
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
143018
153018
163018
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303118

How September really feels in Tunduru

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tunduru weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°24624.212.63.5
Feb29° / 21°22522.212.43.5
Mar28° / 21°20525.812.13.7
Apr28° / 20°8517.311.85.3
May27° / 18°164.111.57.4
Jun26° / 16°40.711.48.2
Jul26° / 16°20.411.48.3
Aug27° / 17°30.611.67.9
Sep30° / 18°30.711.96.5
Oct31° / 19°102.512.25.2
Nov32° / 21°516.112.54.2
Dec31° / 21°16317.512.63.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 35% of September, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37624
47525
57525
67525
77525
87624
97624
107624
117624
127723
137822
147822
158020
168020
178119
188119
198119
208218
218218
228218
238218
248218
258119
268119
278119
288020
298020
308020

Chance of precipitation in September

Any precipitation

Tunduru gets around 3 mm of rain over 0.7 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
183
193
203
213
223
233
244
254
264
275
285
295
305

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1574030
2574030
3554140
4554140
5544240
6534340
7524350
8514450
9504550
10484650
11474750
12464960
13455060
14435160
15425260
16405460
17395560
18375760
19365770
20355870
21335980
22326080
23316090
243060100
252960110
262761120
272660131
282660131
292560141
302460151

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
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 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 6:37 AM to 6:17 AM, and sunset from 6:24 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:376:24
211.86:366:24
311.86:356:24
411.86:356:24
511.86:346:24
611.86:346:24
711.86:336:24
811.96:326:24
911.96:326:24
1011.96:316:23
1111.96:306:23
1211.96:296:23
1311.96:296:23
1411.96:286:23
1511.96:276:23
1611.96:276:23
1712.06:266:23
1812.06:256:23
1912.06:256:23
2012.06:246:23
2112.06:236:23
2212.06:236:23
2312.06:226:23
2412.06:216:23
2512.06:216:23
2612.06:206:23
2712.16:196:23
2812.16:196:23
2912.16:186:23
3012.16:176:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.1 kWh/m².

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.66 kWh/m² in November across the year — September's 6.1 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Tunduru

In seasonPeak

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

Tunduru's monsoon runs December–March, 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 Tunduru?

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

6.5
Sightseeing
5th-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Tunduru in September

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

In September, Tunduru sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Tunduru 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 Tunduru peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 22UV 15Jul 11UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec14Extreme

Air quality in Tunduru 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 Tunduru is worst in August — around 31 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (May, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1830 µg/m³May 187 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar9Good
Apr8Good
May7Good
Jun8Good
Jul18Moderate
Aug31Moderate
Sep24Moderate
Oct14Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Tunduru?

Tunduru sits at 11.1°S, 37.4°E, 715 m above sea level, in Tanzania. The nearest listed city is Nangomba, 127 km away.

NangombaLiwaleMasasiLukulediNachingweaSongeaRuangwaNanganga

Topography around Tunduru

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

Within 3 km, the terrain around Tunduru has only modest variations in elevation — a maximum elevation change of 157 m around an average of 689 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 300 m; within 80 km, large variations in elevation — a maximum elevation change of 766 m.

The land around Tunduru is covered by grassland (32%), trees (31%) and shrubs (25%) within 3 km, grassland (37%), shrubs (31%) and trees (28%) within 16 km, and trees (48%), shrubs (29%) and grassland (21%) within 80 km.

3 km
157 m
16 km
300 m
80 km
766 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Nangomba 127 km · Liwale 158 km · Masasi 163 km · Lukuledi 168 km · Nachingwea 173 km · Songea 190 km · Ruangwa 206 km · Nanganga 211 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 Tunduru (-11.0667°, 37.35°, elevation 715 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).