Izazi weather in September

In September, Izazi sees average daytime highs of 31°C and overnight lows near 17°C, with 0 mm of rain across 0 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 31°C through the month. The sky is clear or mostly clear about 71% 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 h 06 min by month's end. Set against the rest of the year, September is Izazi's 1st-clearest and 1st-windiest month. For the whole year in context, see Izazi's year-round climate.

Daytime high
31°
4th warmest
Overnight low
17°
4th coldest
Rainfall
0 mm
0 wet days
Daylight
12 hours
6:33 AM – 6:30 PM
Cloud cover
29%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
6.95 kWh/m²
Travel score
6.0
out of 10

Izazi is ward in Iringa Rural district, Iringa Region, Tanzania.

Density
37/km²
people per km²

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 31°C through the month.

A typical September day in Izazi reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13017
23017
33017
43017
53017
63017
73017
83017
93117
103117
113117
123117
133117
143117
153117
163117
173117
183117
193117
203117
213117
223117
233117
243118
253118
263218
273218
283218
293218
303218

How September really feels in Izazi

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.

Izazi 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
Jan30° / 21°10116.312.44.2
Feb30° / 21°7613.712.24.3
Mar30° / 21°8815.3124.3
Apr30° / 20°47911.85.1
May30° / 19°4111.76.1
Jun29° / 17°0011.67.0
Jul28° / 16°0011.67.6
Aug29° / 16°0011.87.0
Sep31° / 17°00126.0
Oct32° / 19°40.512.24.9
Nov33° / 20°233.612.34.1
Dec31° / 21°881212.44.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 12%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68812
78812
88812
98812
108812
118812
128812
138911
148911
158911
168911
178911
188911
198911
208911
218812
228812
238812
248812
258713
268713
278713
288713
298614
308614

Chance of precipitation in September

Any precipitation

Izazi gets around 0 mm of rain over 0 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 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
178220
278220
378220
477230
577230
676240
776240
876240
975250
1075250
1174260
1274260
1374260
1473270
1573270
1672280
1772280
1871290
1971290
2070300
2168311
2267321
2367321
2466331
2565341
2662362
2761372
2860382
2958402
3057412

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 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
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 6:41 AM to 6:25 AM, and sunset from 6:33 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:416:33
211.96:406:32
311.96:406:32
411.96:396:32
511.96:396:32
611.96:386:32
711.96:386:32
811.96:376:32
911.96:376:31
1011.96:366:31
1111.96:356:31
1211.96:356:31
1311.96:346:31
1411.96:346:31
1512.06:336:30
1612.06:336:30
1712.06:326:30
1812.06:316:30
1912.06:316:30
2012.06:306:30
2112.06:306:29
2212.06:296:29
2312.06:296:29
2412.06:286:29
2512.06:276:29
2612.06:276:29
2712.06:266:28
2812.06:266:28
2912.06:256:28
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 6.95 kWh/m².

For context, solar energy here swings from a low near 5.53 kWh/m² to a high of 7.15 kWh/m² in October across the year — September's 6.95 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Izazi

In seasonPeak

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

Izazi sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Izazi?

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

6.0
Sightseeing
5th-best month of the year
8.7
Beach & pool
4th-best month of the year

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

What to pack for Izazi in September

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

In September, Izazi sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Izazi 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 Izazi peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 13UV 15Jun 17UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Izazi 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 Izazi 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 Izazi?

Izazi sits at 7.2°S, 35.7°E, 727 m above sea level, in Tanzania. The nearest listed city is Ilula, 63 km away.

KibakweDodomaMpwapwaMafingaMikumiKilosa

Topography around Izazi

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

Within 3 km, the terrain around Izazi has only modest variations in elevation — a maximum elevation change of 73 m around an average of 729 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,911 m.

The land around Izazi is covered by shrubs (63%) and grassland (34%) within 3 km, shrubs (48%), water (25%) and grassland (20%) within 16 km, and shrubs (51%) and grassland (20%) within 80 km.

3 km
73 m
16 km
713 m
80 km
1,911 m
treesshrubsgrasslandcroplandwater
September weather nearby: Ilula 63 km · Iringa 63 km · Kibakwe 88 km · Dodoma 114 km · Mpwapwa 126 km · Mafinga 132 km · Mikumi 140 km · Kilosa 144 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 Izazi (-7.2°, 35.7333°, elevation 727 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).