Shirati weather in September

In September, Shirati sees average daytime highs of 28°C and overnight lows near 20°C, with 69 mm of rain across 12.6 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Shirati's 3rd-clearest and 1st-windiest month. For the whole year in context, see Shirati's year-round climate.

Daytime high
28°
1st warmest
Overnight low
20°
8th coldest
Rainfall
69 mm
12.6 wet days
Daylight
12 hours
6:39 AM – 6:38 PM
Cloud cover
60%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
6.31 kWh/m²
Travel score
5.9
out of 10

Shirati is town in Mara Region, Tanzania.

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 28°C through the month.

A typical September day in Shirati reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12720
22720
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820

Shirati weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°11617.612.15.4
Feb28° / 20°9314.8125.4
Mar28° / 20°15820.5124.9
Apr27° / 20°19922.5124.3
May27° / 20°11717.611.95.3
Jun27° / 19°499.611.96.5
Jul27° / 19°317.411.96.8
Aug27° / 19°5710.3126.4
Sep28° / 20°6912.6125.9
Oct27° / 20°13419.8124.8
Nov26° / 20°18723.812.14.3
Dec26° / 19°17022.712.14.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45644
55743
65743
75644
85644
95644
105743
115743
125545
135545
145446
155446
165347
175248
185149
195050
204852
214753
224654
234654
244357
254357
264258
274159
283961
293961
303763

Chance of precipitation in September

Any precipitation

Shirati gets around 69 mm of rain over 12.6 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 43% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
240
341
441
541
641
741
841
941
1041
1141
1241
1341
1440
1540
1640
1741
1841
1941
2041
2142
2243
2343
2444
2545
2646
2747
2849
2950
3051

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12314918
22305018
32305018
41305019
51295119
61295119
71285219
81285120
91275220
101275220
111275220
121275220
131275220
141275220
151275220
161265320
171265320
181255420
190255421
200245521
210235621
220225622
230225622
240215623
250205624
260195724
270185725
280175825
290165826
300155827

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
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 12 hours 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 0 minutes over September. Sunrise moves from 6:44 AM to 6:33 AM, and sunset from 6:43 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:446:43
212.06:446:43
312.06:446:43
412.06:436:42
512.06:436:42
612.06:436:42
712.06:426:41
812.06:426:41
912.06:416:41
1012.06:416:40
1112.06:416:40
1212.06:406:40
1312.06:406:39
1412.06:396:39
1512.06:396:39
1612.06:396:38
1712.06:386:38
1812.06:386:38
1912.06:376:37
2012.06:376:37
2112.06:376:37
2212.06:366:36
2312.06:366:36
2412.06:356:36
2512.06:356:35
2612.06:356:35
2712.06:346:35
2812.06:346:34
2912.06:336:34
3012.06:336:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.31 kWh/m².

For context, solar energy here swings from a low near 5.58 kWh/m² to a high of 6.54 kWh/m² in February across the year — September's 6.31 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Is September a good time to visit Shirati?

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

5.9
Sightseeing
4th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Shirati in September

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

In September, Shirati sees daytime highs around 28°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Shirati in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shirati peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Shirati 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 Shirati is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1521 µg/m³Apr 1510 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar12Good
Apr10Good
May12Good
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct12Good
Nov10Good
Dec12Good
Location & terrain

Where is Shirati?

Shirati sits at 1.1°S, 34.0°E, 1,134 m above sea level, in Tanzania. The nearest listed city is Musoma, 46 km away.

ButiamaMatongo

Topography around Shirati

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

Within 3 km, the terrain around Shirati has only modest variations in elevation — a maximum elevation change of 41 m around an average of 1,138 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, large variations in elevation — a maximum elevation change of 1,107 m.

The land around Shirati is covered by water (68%) and grassland (22%) within 3 km, water (54%) and cropland (21%) within 16 km, and water (46%) within 80 km.

3 km
41 m
16 km
329 m
80 km
1,107 m
treesshrubsgrasslandcroplandwaterwetland
September weather nearby: Musoma 46 km · Tarime 49 km · Isebania 54 km · Migori 55 km · Sirari 56 km · Awendo 66 km · Butiama 70 km · Matongo 71 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 Shirati (-1.1333°, 33.9833°, elevation 1,134 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).