Vyanda weather in September

In September, Vyanda sees average daytime highs of 25°C and overnight lows near 19°C, with 178 mm of rain across 21.6 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 25°C through the month. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels humid.

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 Vyanda's 4th-clearest and 1st-windiest month. For the whole year in context, see Vyanda's year-round climate.

Daytime high: 25°; 1st warmest
Overnight low: 19°; 9th coldest
Rainfall: 178 mm; 21.6 wet days
Daylight: 12 hours; 5:57 AM – 5:55 PM
Cloud cover: 66%; 4th clearest
Wind: 5 km/h; 1st windiest
Solar energy: 5.47 kWh/m²
Travel score: 5.0; out of 10

Vyanda is town in Bururi Province, Burundi.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Vyanda year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Vyanda reaches about 25°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Avg low (°C)	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20

	Avg high (°C)	Avg low (°C)
1	25	19
2	25	19
3	25	19
4	25	19
5	25	19
6	25	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	19
12	25	19
13	25	19
14	25	19
15	25	19
16	25	20
17	25	20
18	25	20
19	25	20
20	25	20
21	25	20
22	25	20
23	25	20
24	25	20
25	25	20
26	25	20
27	25	20
28	25	20
29	25	20
30	25	20

Vyanda 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	24° / 19°	582	30.7	12.2	3.6
Feb	24° / 20°	474	27.4	12.1	3.6
Mar	24° / 20°	544	30.5	12	3.6
Apr	24° / 19°	527	29.6	11.9	3.5
May	24° / 19°	351	28.9	11.8	4.0
Jun	24° / 18°	116	19.8	11.8	5.3
Jul	24° / 18°	48	10.1	11.8	6.9
Aug	24° / 18°	73	12.6	11.9	6.6
Sep	25° / 19°	178	21.6	12	5.0
Oct	24° / 20°	434	29.2	12.1	3.8
Nov	23° / 19°	586	29.9	12.2	3.4
Dec	23° / 19°	601	31	12.2	3.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	50	48	47	47	46	46	46	45	44	43	43	43	42	41	41	41	39	39	38	36	36	35	33	32	31	30	29	27	26	25
Cloudier (%)	50	52	53	53	54	54	54	55	56	57	57	57	58	59	59	59	61	61	62	64	64	65	67	68	69	70	71	73	74	75

	Clearer (%)	Cloudier (%)
1	50	50
2	48	52
3	47	53
4	47	53
5	46	54
6	46	54
7	46	54
8	45	55
9	44	56
10	43	57
11	43	57
12	43	57
13	42	58
14	41	59
15	41	59
16	41	59
17	39	61
18	39	61
19	38	62
20	36	64
21	36	64
22	35	65
23	33	67
24	32	68
25	31	69
26	30	70
27	29	71
28	27	73
29	26	74
30	25	75

Chance of precipitation in September

Any precipitation

Vyanda gets around 178 mm of rain over 21.6 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 71% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	51	53	55	57	59	61	62	64	66	67	69	70	71	72	72	73	73	74	74	75	76	77	78	78	79	80	81	82	83	84

	Rain chance (%)
1	51
2	53
3	55
4	57
5	59
6	61
7	62
8	64
9	66
10	67
11	69
12	70
13	71
14	72
15	72
16	73
17	73
18	74
19	74
20	75
21	76
22	77
23	78
24	78
25	79
26	80
27	81
28	82
29	83
30	84

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Comfortable (%)	19	18	17	16	15	14	13	12	11	10	9	9	8	8	7	7	6	5	5	4	4	4	3	3	3	2	2	2	2	2
Humid (%)	74	75	75	75	76	76	76	76	76	76	77	76	76	75	76	75	75	75	75	75	74	74	74	73	73	73	73	72	72	71
Muggy (%)	7	7	8	9	9	10	11	12	13	14	14	15	16	17	17	18	19	20	20	21	22	22	23	24	24	25	25	26	26	27

	Comfortable (%)	Humid (%)	Muggy (%)
1	19	74	7
2	18	75	7
3	17	75	8
4	16	75	9
5	15	76	9
6	14	76	10
7	13	76	11
8	12	76	12
9	11	76	13
10	10	76	14
11	9	77	14
12	9	76	15
13	8	76	16
14	8	75	17
15	7	76	17
16	7	75	18
17	6	75	19
18	5	75	20
19	5	75	20
20	4	75	21
21	4	74	22
22	4	74	22
23	3	74	23
24	3	73	24
25	3	73	24
26	2	73	25
27	2	73	25
28	2	72	26
29	2	72	26
30	2	71	27

Wind in September

Winds average 5 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

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 6:04 AM to 5:50 AM, and sunset from 5:59 PM to 5:52 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:04	6:03	6:03	6:02	6:02	6:01	6:01	6:00	6:00	5:59	5:59	5:59	5:58	5:58	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:53	5:53	5:52	5:52	5:51	5:51	5:50	5:50
Sunset (PM)	5:59	5:59	5:58	5:58	5:58	5:58	5:58	5:57	5:57	5:57	5:57	5:56	5:56	5:56	5:55	5:55	5:55	5:55	5:54	5:54	5:54	5:54	5:53	5:53	5:53	5:53	5:53	5:52	5:52	5:52

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	6:04	5:59
2	11.9	6:03	5:59
3	11.9	6:03	5:58
4	11.9	6:02	5:58
5	11.9	6:02	5:58
6	11.9	6:01	5:58
7	11.9	6:01	5:58
8	11.9	6:00	5:57
9	12.0	6:00	5:57
10	12.0	5:59	5:57
11	12.0	5:59	5:57
12	12.0	5:59	5:56
13	12.0	5:58	5:56
14	12.0	5:58	5:56
15	12.0	5:57	5:55
16	12.0	5:57	5:55
17	12.0	5:56	5:55
18	12.0	5:56	5:55
19	12.0	5:55	5:54
20	12.0	5:55	5:54
21	12.0	5:54	5:54
22	12.0	5:54	5:54
23	12.0	5:53	5:53
24	12.0	5:53	5:53
25	12.0	5:52	5:53
26	12.0	5:52	5:53
27	12.0	5:51	5:53
28	12.0	5:51	5:52
29	12.0	5:50	5:52
30	12.0	5:50	5:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.47 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.47 kWh/m² in September across the year — September's 5.47 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.3	5.3	5.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.5	Bright
2	5.5	Bright
3	5.5	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.5	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.5	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.3	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Is September a good time to visit Vyanda?

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

5.0

Sightseeing

4th-best month of the year

4.5

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Vyanda for sightseeing.

What to pack for Vyanda in September

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

In September, Vyanda sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Vyanda 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 Vyanda peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 8 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	15	15	15	12	10	10	8	13	14	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Extreme	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	10	Very high
Jul	10	Extreme
Aug	8	Very high
Sep	13	Extreme
Oct	14	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Vyanda 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 Vyanda is worst in August — around 59 µg/m³ PM2.5 (unhealthy), about 3.0× the cleanest month (April, 19 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	28	28	24	19	23	33	42	59	54	33	24	23
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Unhealthy	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	28	Moderate
Feb	28	Moderate
Mar	24	Moderate
Apr	19	Moderate
May	23	Moderate
Jun	33	Moderate
Jul	42	Poor
Aug	59	Unhealthy
Sep	54	Poor
Oct	33	Moderate
Nov	24	Moderate
Dec	23	Moderate

Location & terrain

Where is Vyanda?

Vyanda sits at 4.1°S, 29.6°E, 1,859 m above sea level, in Burundi. The nearest listed city is Rumonge, 23 km away.

Topography around Vyanda

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

Within 3 km, the terrain around Vyanda has large variations in elevation — a maximum elevation change of 712 m around an average of 1,794 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,732 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,016 m.

The land around Vyanda is covered by grassland (40%) and trees (34%) within 3 km, trees (41%) and grassland (35%) within 16 km, and grassland (36%) and water (28%) within 80 km.

3 km

712 m

grassland 40%

16 km

1,732 m

trees 41%

80 km

2,016 m

grassland 36%

treesshrubsgrasslandcroplandwater

← August Vyanda year-round climate October →Best places to visit in September

September weather nearby: Rumonge 23 km · Kasulu 76 km · Mwandiga 81 km · Gitega 83 km · Bujumbura 85 km · Kigoma 86 km · Gatumba 94 km · Uvira 94 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

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 Vyanda (-4.1024°, 29.606°, elevation 1,859 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).

	Avg high (°C)	Avg low (°C)
1	25	19
2	25	19
3	25	19
4	25	19
5	25	19
6	25	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	19
12	25	19
13	25	19
14	25	19
15	25	19
16	25	20
17	25	20
18	25	20
19	25	20
20	25	20
21	25	20
22	25	20
23	25	20
24	25	20
25	25	20
26	25	20
27	25	20
28	25	20
29	25	20
30	25	20

	Clearer (%)	Cloudier (%)
1	50	50
2	48	52
3	47	53
4	47	53
5	46	54
6	46	54
7	46	54
8	45	55
9	44	56
10	43	57
11	43	57
12	43	57
13	42	58
14	41	59
15	41	59
16	41	59
17	39	61
18	39	61
19	38	62
20	36	64
21	36	64
22	35	65
23	33	67
24	32	68
25	31	69
26	30	70
27	29	71
28	27	73
29	26	74
30	25	75

	Rain chance (%)
1	51
2	53
3	55
4	57
5	59
6	61
7	62
8	64
9	66
10	67
11	69
12	70
13	71
14	72
15	72
16	73
17	73
18	74
19	74
20	75
21	76
22	77
23	78
24	78
25	79
26	80
27	81
28	82
29	83
30	84

	Comfortable (%)	Humid (%)	Muggy (%)
1	19	74	7
2	18	75	7
3	17	75	8
4	16	75	9
5	15	76	9
6	14	76	10
7	13	76	11
8	12	76	12
9	11	76	13
10	10	76	14
11	9	77	14
12	9	76	15
13	8	76	16
14	8	75	17
15	7	76	17
16	7	75	18
17	6	75	19
18	5	75	20
19	5	75	20
20	4	75	21
21	4	74	22
22	4	74	22
23	3	74	23
24	3	73	24
25	3	73	24
26	2	73	25
27	2	73	25
28	2	72	26
29	2	72	26
30	2	71	27

	Avg high (°C)	Avg low (°C)
1	25	19
2	25	19
3	25	19
4	25	19
5	25	19
6	25	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	19
12	25	19
13	25	19
14	25	19
15	25	19
16	25	20
17	25	20
18	25	20
19	25	20
20	25	20
21	25	20
22	25	20
23	25	20
24	25	20
25	25	20
26	25	20
27	25	20
28	25	20
29	25	20
30	25	20

	Clearer (%)	Cloudier (%)
1	50	50
2	48	52
3	47	53
4	47	53
5	46	54
6	46	54
7	46	54
8	45	55
9	44	56
10	43	57
11	43	57
12	43	57
13	42	58
14	41	59
15	41	59
16	41	59
17	39	61
18	39	61
19	38	62
20	36	64
21	36	64
22	35	65
23	33	67
24	32	68
25	31	69
26	30	70
27	29	71
28	27	73
29	26	74
30	25	75

	Rain chance (%)
1	51
2	53
3	55
4	57
5	59
6	61
7	62
8	64
9	66
10	67
11	69
12	70
13	71
14	72
15	72
16	73
17	73
18	74
19	74
20	75
21	76
22	77
23	78
24	78
25	79
26	80
27	81
28	82
29	83
30	84

	Comfortable (%)	Humid (%)	Muggy (%)
1	19	74	7
2	18	75	7
3	17	75	8
4	16	75	9
5	15	76	9
6	14	76	10
7	13	76	11
8	12	76	12
9	11	76	13
10	10	76	14
11	9	77	14
12	9	76	15
13	8	76	16
14	8	75	17
15	7	76	17
16	7	75	18
17	6	75	19
18	5	75	20
19	5	75	20
20	4	75	21
21	4	74	22
22	4	74	22
23	3	74	23
24	3	73	24
25	3	73	24
26	2	73	25
27	2	73	25
28	2	72	26
29	2	72	26
30	2	71	27

	Avg high (°C)	Avg low (°C)
1	25	19
2	25	19
3	25	19
4	25	19
5	25	19
6	25	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	19
12	25	19
13	25	19
14	25	19
15	25	19
16	25	20
17	25	20
18	25	20
19	25	20
20	25	20
21	25	20
22	25	20
23	25	20
24	25	20
25	25	20
26	25	20
27	25	20
28	25	20
29	25	20
30	25	20

	Clearer (%)	Cloudier (%)
1	50	50
2	48	52
3	47	53
4	47	53
5	46	54
6	46	54
7	46	54
8	45	55
9	44	56
10	43	57
11	43	57
12	43	57
13	42	58
14	41	59
15	41	59
16	41	59
17	39	61
18	39	61
19	38	62
20	36	64
21	36	64
22	35	65
23	33	67
24	32	68
25	31	69
26	30	70
27	29	71
28	27	73
29	26	74
30	25	75

	Rain chance (%)
1	51
2	53
3	55
4	57
5	59
6	61
7	62
8	64
9	66
10	67
11	69
12	70
13	71
14	72
15	72
16	73
17	73
18	74
19	74
20	75
21	76
22	77
23	78
24	78
25	79
26	80
27	81
28	82
29	83
30	84

	Comfortable (%)	Humid (%)	Muggy (%)
1	19	74	7
2	18	75	7
3	17	75	8
4	16	75	9
5	15	76	9
6	14	76	10
7	13	76	11
8	12	76	12
9	11	76	13
10	10	76	14
11	9	77	14
12	9	76	15
13	8	76	16
14	8	75	17
15	7	76	17
16	7	75	18
17	6	75	19
18	5	75	20
19	5	75	20
20	4	75	21
21	4	74	22
22	4	74	22
23	3	74	23
24	3	73	24
25	3	73	24
26	2	73	25
27	2	73	25
28	2	72	26
29	2	72	26
30	2	71	27