Mvomero weather in September

In September, Mvomero sees average daytime highs of 29°C and overnight lows near 22°C, with 24 mm of rain across 7.3 wet days and about 12 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 47% of the time in September, and the air most often feels muggy.

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 Mvomero's 2nd-clearest and 8th-windiest month. For the whole year in context, see Mvomero's year-round climate.

Daytime high
29°
8th warmest
Overnight low
22°
3rd coldest
Rainfall
24 mm
7.3 wet days
Daylight
12 hours
6:21 AM – 6:19 PM
Cloud cover
43%
2nd clearest
Wind
10 km/h
8th windiest
Solar energy
5.62 kWh/m²
Travel score
6.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Mvomero reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52822
62822
72822
82822
92822
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Mvomero

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.

Mvomero weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 26°449.712.35.1
Feb30° / 26°41912.24.9
Mar30° / 25°11921.8123.6
Apr29° / 24°16924.411.93.5
May29° / 23°13017.311.74.9
Jun28° / 22°277.111.66.2
Jul28° / 21°185.111.76.7
Aug28° / 21°237.811.86.6
Sep29° / 22°247.3126.2
Oct29° / 23°6013.412.15.2
Nov30° / 24°8220.512.34.1
Dec30° / 25°8619.612.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 38% of September, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28218
38317
48317
58416
68416
78515
88515
98515
108515
118614
128614
138614
148515
158515
168614
178614
188614
198614
208614
218614
228515
238515
248515
258515
268515
278515
288515
298515
308515

Chance of precipitation in September

Any precipitation

Mvomero gets around 24 mm of rain over 7.3 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 25% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
423
523
623
723
823
924
1024
1124
1224
1324
1424
1524
1624
1724
1824
1924
2025
2125
2226
2326
2427
2527
2628
2729
2830
2931
3032

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118910
218910
318811
408911
508812
608812
708713
808713
908713
1008614
1108614
1208515
1308515
1408416
1508317
1608218
1708119
1808020
1907921
2007723
2107624
2207426
2307228
2407030
2506832
2606634
2706337
2806139
2905941
3005743

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
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 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 6:29 AM to 6:13 AM, and sunset from 6:21 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:296:21
211.96:286:21
311.96:286:21
411.96:276:21
511.96:276:21
611.96:266:21
711.96:266:20
811.96:256:20
911.96:246:20
1011.96:246:20
1111.96:236:20
1211.96:236:19
1311.96:226:19
1412.06:226:19
1512.06:216:19
1612.06:216:19
1712.06:206:18
1812.06:206:18
1912.06:196:18
2012.06:186:18
2112.06:186:18
2212.06:176:17
2312.06:176:17
2412.06:166:17
2512.06:166:17
2612.06:156:17
2712.06:156:17
2812.06:146:16
2912.06:146:16
3012.06:136:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.31 kWh/m² in February across the year — September's 5.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Mvomero

In seasonPeak

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

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

Mvomero's rainy season runs March–May, when most of the year's rain falls.

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

Is September a good time to visit Mvomero?

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

6.2
Sightseeing
3rd-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Mvomero in September

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

In September, Mvomero sees daytime highs around 29°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Mvomero 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 at the nearest coast (about 27 km away) is warmest in March at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Mvomero 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 Mvomero peaks around March 16 at about 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 14Jun 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Mvomero 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 Mvomero is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2018 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec13Moderate
Location & terrain

Where is Mvomero?

Mvomero sits at 6.3°S, 38.7°E, 34 m above sea level, in Tanzania. The nearest listed city is Bagamoyo, 34 km away.

Ngerengere

Topography around Mvomero

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

Within 3 km, the terrain around Mvomero has only modest variations in elevation — a maximum elevation change of 125 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 347 m; within 80 km, large variations in elevation — a maximum elevation change of 853 m.

The land around Mvomero is covered by trees (72%) and grassland (23%) within 3 km, trees (57%) and grassland (35%) within 16 km, and trees (38%), grassland (28%) and water (22%) within 80 km.

3 km
125 m
16 km
347 m
80 km
853 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Bagamoyo 34 km · Lugoba 43 km · Mlandizi 51 km · Chalinze 55 km · Mapinga 59 km · Zanzibar 59 km · Kibaha 64 km · Ngerengere 82 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 Mvomero (-6.25°, 38.6667°, elevation 34 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).