Iringa weather in September

In September, Iringa sees average daytime highs of 24°C and overnight lows near 13°C, with 1 mm of rain across 0.3 wet days and about 12 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 63% 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 Iringa's 1st-clearest and 1st-windiest month. For the whole year in context, see Iringa's year-round climate.

Daytime high
24°
4th warmest
Overnight low
13°
4th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 hours
6:33 AM – 6:30 PM
Cloud cover
34%
1st clearest
Wind
16 km/h
1st windiest
Solar energy
6.78 kWh/m²
Travel score
9.0
out of 10

Iringa is city.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical September day in Iringa reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°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)
12412
22412
32413
42413
52413
62413
72413
82413
92413
102413
112413
122413
132413
142413
152413
162513
172513
182513
192513
202513
212513
222513
232513
242513
252513
262513
272513
282513
292514
302514

Iringa weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°16223.712.44.6
Feb24° / 16°1262012.34.9
Mar24° / 16°13020.512.15.2
Apr23° / 16°5710.411.86.8
May23° / 14°71.511.78.5
Jun23° / 12°00.111.68.7
Jul22° / 12°0011.68.6
Aug23° / 12°0011.78.8
Sep24° / 13°10.3129.0
Oct26° / 14°81.912.28.3
Nov26° / 16°467.312.47.1
Dec25° / 16°13119.212.45.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28515
38515
48515
58515
68515
78515
88515
98614
108614
118614
128614
138614
148614
158614
168713
178713
188713
198713
208614
218515
228515
238515
248416
258416
268317
278317
288416
298416
308317

Chance of precipitation in September

Any precipitation

Iringa gets around 1 mm of rain over 0.3 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
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15982
16982
17982
18982
19982
20973
21973
22973
23964
24964
25955
26946
27946
28937
29928
30928

Wind in September

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

Across September, daily wind ranges from about 16 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
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light 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 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 6:41 AM to 6:25 AM, and sunset from 6:32 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:416:32
211.96:416:32
311.96:406:32
411.96:406:32
511.96:396:32
611.96:396:32
711.96:386:32
811.96:376:31
911.96:376:31
1011.96:366:31
1111.96:366:31
1211.96:356:31
1311.96:356:31
1411.96:346:31
1512.06:336:30
1612.06:336:30
1712.06:326:30
1812.06:326:30
1912.06:316:30
2012.06:306:30
2112.06:306:30
2212.06:296:29
2312.06:296:29
2412.06:286:29
2512.06:286:29
2612.06:276:29
2712.06:266:29
2812.06:266:29
2912.16:256:28
3012.16:256:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.78 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.04 kWh/m² in October across the year — September's 6.78 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
66.5Intense
76.5Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.8Intense
156.8Intense
166.8Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
Planning a trip in September

Hazard calendar for Iringa

In seasonPeak

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

Iringa's rainy season runs December–March, 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 Iringa?

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

9.0
Sightseeing
1st-best month of the year
7.8
Beach & pool
2nd-best month of the year

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

What to pack for Iringa in September

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

In September, Iringa sees daytime highs around 24°C and nights near 13°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Iringa 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 Iringa peaks around March 11 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 11UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Iringa 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 Iringa is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1920 µg/m³May 247 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr8Good
May7Good
Jun7Good
Jul10Good
Aug15Moderate
Sep21Moderate
Oct18Moderate
Nov13Moderate
Dec8Good
Location & terrain

Where is Iringa?

Iringa sits at 7.8°S, 35.7°E, 1,625 m above sea level, in Tanzania. The nearest listed city is Ilula, 38 km away.

MafingaMlimbaIfakaraKibakweMalinyiKidatu

Topography around Iringa

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

Within 3 km, the terrain around Iringa has significant variations in elevation — a maximum elevation change of 376 m around an average of 1,613 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 671 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,181 m.

The land around Iringa is covered by artificial surfaces (42%) and shrubs (25%) within 3 km, shrubs (37%) and cropland (36%) within 16 km, and shrubs (39%) and trees (33%) within 80 km.

3 km
376 m
16 km
671 m
80 km
2,181 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ilula 38 km · Izazi 63 km · Mafinga 74 km · Mlimba 116 km · Ifakara 116 km · Kibakwe 138 km · Malinyi 138 km · Kidatu 139 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 Iringa (-7.7667°, 35.7°, elevation 1,625 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).