Sokoni weather in September

In September, Sokoni sees average daytime highs of 26°C and overnight lows near 24°C, with 23 mm of rain across 7 wet days and about 12 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 80% of the time in September, and the air most often feels oppressive.

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 Sokoni's 1st-clearest and 6th-windiest month. For the whole year in context, see Sokoni's year-round climate.

Daytime high
26°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
23 mm
7 wet days
Daylight
12 hours
6:17 AM – 6:15 PM
Cloud cover
28%
1st clearest
Wind
19 km/h
6th windiest
Solar energy
6.22 kWh/m²
Travel score
7.8
out of 10

Sokoni is Tanzanian settlement.

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 26°C through the month.

A typical September day in Sokoni reaches about 26°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62524
72524
82524
92524
102524
112524
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292625
302625

How September really feels in Sokoni

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.

Sokoni weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 27°387.112.36.2
Feb29° / 27°305.812.26.1
Mar29° / 27°13319.3124.6
Apr28° / 26°27926.711.94.0
May27° / 25°2082211.74.9
Jun26° / 25°5514.411.66.2
Jul25° / 24°3711.811.76.7
Aug25° / 24°299.511.87.3
Sep26° / 24°237127.8
Oct26° / 25°5710.612.17.1
Nov27° / 26°8115.512.35.9
Dec28° / 26°7916.112.45.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
3919
4919
5919
6919
7919
8928
9928
10928
11928
12937
13937
14937
15928
16928
17928
18928
19928
20928
21919
22919
23919
24919
25919
26919
279010
289010
299010
309010

Chance of precipitation in September

Any precipitation

Sokoni gets around 23 mm of rain over 7 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 24% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
327
426
526
625
725
824
924
1023
1123
1222
1322
1421
1521
1621
1721
1821
1921
2021
2122
2222
2322
2423
2523
2624
2725
2825
2926
3027

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
16238
26040
35941
45842
55644
65545
75347
85248
95050
104951
114753
124654
134555
144357
154258
164060
173961
183862
193763
203664
213565
223466
233367
243268
253169
262971
272872
282773
292674
302575

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

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 6:25 AM to 6:10 AM, and sunset from 6:18 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:256:18
211.96:256:18
311.96:246:17
411.96:246:17
511.96:236:17
611.96:236:17
711.96:226:17
811.96:226:17
911.96:216:16
1011.96:206:16
1111.96:206:16
1211.96:196:16
1311.96:196:16
1412.06:186:15
1512.06:186:15
1612.06:176:15
1712.06:176:15
1812.06:166:15
1912.06:166:15
2012.06:156:14
2112.06:146:14
2212.06:146:14
2312.06:136:14
2412.06:136:14
2512.06:126:13
2612.06:126:13
2712.06:116:13
2812.06:116:13
2912.06:106:13
3012.06:106:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.22 kWh/m².

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 6.49 kWh/m² in October across the year — September's 6.22 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.5Intense
Planning a trip in September

Hazard calendar for Sokoni

In seasonPeak

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

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

Sokoni's monsoon runs March–May, when most of the year's rain falls.

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

Is September a good time to visit Sokoni?

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

7.8
Sightseeing
1st-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Sokoni in September

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

In September, Sokoni sees daytime highs around 26°C and nights near 24°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Sokoni in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Sokoni 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 Sokoni peaks around March 16 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Sokoni 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 Sokoni is worst in January — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateJan 1919 µg/m³Nov 1110 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar13Moderate
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov10Good
Dec14Moderate
Location & terrain

Where is Sokoni?

Sokoni sits at 6.4°S, 39.5°E, 24 m above sea level, in Tanzania. The nearest listed city is Zanzibar, 49 km away.

VikinduBagamoyoKibaha

Topography around Sokoni

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

Within 3 km, the terrain around Sokoni has only modest variations in elevation — a maximum elevation change of 37 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, significant variations in elevation — a maximum elevation change of 306 m.

The land around Sokoni is covered by trees (39%), water (26%) and shrubs (24%) within 3 km, water (71%) and trees (21%) within 16 km, and water (71%) within 80 km.

3 km
37 m
16 km
55 m
80 km
306 m
treesshrubsgrasslandartificial surfaceswatermangroves
September weather nearby: Zanzibar 49 km · Magomeni 53 km · Dar es Salaam 53 km · Mapinga 57 km · Mwandege 67 km · Vikindu 70 km · Bagamoyo 71 km · Kibaha 79 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 Sokoni (-6.4333°, 39.55°, elevation 24 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).