Gatumba weather in September

In September, Gatumba sees average daytime highs of 31°C and overnight lows near 19°C, with 6 mm of rain across 1 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 19% 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 hours by month's end. Set against the rest of the year, September is Gatumba's 4th-clearest and 2nd-windiest month. For the whole year in context, see Gatumba's year-round climate.

Daytime high
31°
1st warmest
Overnight low
19°
5th coldest
Rainfall
6 mm
1 wet days
Daylight
12 hours
5:58 AM – 5:57 PM
Cloud cover
65%
4th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.35 kWh/m²
Travel score
5.3
out of 10

Gatumba is town in Burundi.

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 Gatumba reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119

Gatumba weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°597.612.25.3
Feb30° / 20°394.912.15.2
Mar30° / 20°475.4125.3
Apr29° / 20°846.611.95.6
May29° / 19°453.811.96.1
Jun29° / 18°111.911.86.4
Jul29° / 18°30.511.86.6
Aug30° / 18°30.711.96.0
Sep31° / 19°61125.3
Oct30° / 19°182.912.15.2
Nov29° / 19°364.712.25.5
Dec29° / 19°937.512.25.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34456
44555
54456
64456
74456
84357
94258
104258
114159
124159
134060
144060
153961
163862
173862
183763
193763
203763
213763
223565
233565
243565
253466
263367
273367
283268
293268
303070

Chance of precipitation in September

Any precipitation

Gatumba gets around 6 mm of rain over 1 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
64
74
84
94
104
114
123
133
143
153
162
172
182
192
202
212
222
233
243
253
263
274
284
294
305

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
162362
261372
360382
459392
559392
659392
759392
859392
959392
1060391
1160391
1260391
1361381
1461381
1562371
1663361
1764351
1865341
1965341
2066331
2166331
2266331
2365332
2464342
2564342
2664342
2763343
2863343
2962353
3061354

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:05 AM to 5:52 AM, and sunset from 6:01 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:056:01
211.96:046:01
311.96:046:00
411.96:036:00
511.96:036:00
612.06:026:00
712.06:025:59
812.06:025:59
912.06:015:59
1012.06:015:58
1112.06:005:58
1212.06:005:58
1312.05:595:58
1412.05:595:57
1512.05:585:57
1612.05:585:57
1712.05:575:57
1812.05:575:56
1912.05:565:56
2012.05:565:56
2112.05:565:55
2212.05:555:55
2312.05:555:55
2412.05:545:55
2512.05:545:54
2612.05:535:54
2712.05:535:54
2812.05:525:54
2912.05:525:53
3012.05:525:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.35 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 5.35 kWh/m² in September across the year — September's 5.35 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Gatumba?

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

5.3
Sightseeing
8th-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Gatumba in September

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

In September, Gatumba sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Gatumba 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 Gatumba peaks around March 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highVery highExtremeMar 20UV 16Jun 21UV 10
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug10Very high
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Gatumba 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 Gatumba is worst in August — around 72 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyPoorAug 2171 µg/m³Apr 1950 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb58Unhealthy
Mar54Poor
Apr49Poor
May52Poor
Jun61Unhealthy
Jul60Unhealthy
Aug72Unhealthy
Sep69Unhealthy
Oct58Unhealthy
Nov52Poor
Dec53Poor
Location & terrain

Where is Gatumba?

Gatumba sits at 3.3°S, 29.3°E, 780 m above sea level, in Burundi. The nearest listed city is Bujumbura, 13 km away.

BujumburaUviraMpandaBubanzaCibitokeKayanzaRumongeGitega

Topography around Gatumba

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

Within 3 km, the terrain around Gatumba has only modest variations in elevation — a maximum elevation change of 9 m around an average of 774 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 838 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Gatumba is covered by grassland (31%) and wetland (21%) within 3 km, grassland (36%) and water (35%) within 16 km, and grassland (39%) and trees (28%) within 80 km.

3 km
9 m
16 km
838 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Bujumbura 13 km · Uvira 14 km · Mpanda 25 km · Bubanza 32 km · Cibitoke 52 km · Kayanza 62 km · Rumonge 74 km · Gitega 76 km

Burundi travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$234
2025
Happiness
3.8 / 10
World Happiness, 2020
Homicide rate
5.6
per 100k, 2016
Road deaths
35.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Christian 94%Muslim 3%other 1%none 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 Gatumba (-3.3333°, 29.25°, elevation 780 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).