Watsa weather in September

In September, Watsa sees average daytime highs of 27°C and overnight lows near 19°C, with 227 mm of rain across 27.7 wet days and about 12 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Watsa's 10th-clearest and 9th-windiest month. For the whole year in context, see Watsa's year-round climate.

Daytime high: 27°; 8th warmest
Overnight low: 19°; 3rd coldest
Rainfall: 227 mm; 27.7 wet days
Daylight: 12 hours; 5:56 AM – 5:57 PM
Cloud cover: 78%; 10th clearest
Wind: 5 km/h; 9th windiest
Solar energy: 5.44 kWh/m²
Travel score: 3.7; out of 10

Watsa is place in Haut-Uele, Democratic Republic of the Congo.

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

← August Watsa 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 27°C through the month.

A typical September day in Watsa reaches about 27°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19

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

How September really feels in Watsa

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Watsa weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 20°	20	3.8	11.8	4.9
Feb	32° / 20°	46	6.9	11.9	4.1
Mar	31° / 20°	129	16.5	12	3.8
Apr	29° / 20°	208	23.8	12.1	3.6
May	28° / 20°	213	26.5	12.1	3.8
Jun	27° / 19°	192	26	12.2	3.9
Jul	26° / 18°	206	27	12.2	4.0
Aug	27° / 19°	226	28	12.1	3.8
Sep	27° / 19°	227	27.7	12	3.7
Oct	27° / 19°	280	28.6	11.9	3.6
Nov	28° / 19°	193	21.1	11.9	4.4
Dec	30° / 19°	40	6.6	11.8	5.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 82%.

	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 (%)	19	19	19	19	18	18	18	18	19	19	19	19	19	20	20	20	20	19	19	19	18	18	17	17	16	16	15	15	15	14
Cloudier (%)	81	81	81	81	82	82	82	82	81	81	81	81	81	80	80	80	80	81	81	81	82	82	83	83	84	84	85	85	85	86

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	18	82
8	18	82
9	19	81
10	19	81
11	19	81
12	19	81
13	19	81
14	20	80
15	20	80
16	20	80
17	20	80
18	19	81
19	19	81
20	19	81
21	18	82
22	18	82
23	17	83
24	17	83
25	16	84
26	16	84
27	15	85
28	15	85
29	15	85
30	14	86

Chance of precipitation in September

Any precipitation

Watsa gets around 227 mm of rain over 27.7 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 92% and peaks near 93% on the wettest days.

	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 (%)	91	91	91	91	91	91	91	92	92	92	92	92	93	93	93	93	93	93	93	93	93	93	93	93	92	92	92	92	92	92

	Rain chance (%)
1	91
2	91
3	91
4	91
5	91
6	91
7	91
8	92
9	92
10	92
11	92
12	92
13	93
14	93
15	93
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	92
29	92
30	92

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 100% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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
Humid (%)	2	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Muggy (%)	98	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Humid (%)	Muggy (%)
1	2	98
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

Wind in September

Winds average 5 km/h in September.

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 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:00 AM to 5:52 AM, and sunset from 6:03 PM to 5:50 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)	12.1	12.1	12.1	12.1	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	12.0	12.0	12.0	12.0
Sunrise (AM)	6:00	6:00	5:59	5:59	5:59	5:59	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	5:53	5:53	5:53	5:53	5:52	5:52	5:52
Sunset (PM)	6:03	6:03	6:02	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	5:53	5:52	5:52	5:51	5:51	5:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:00	6:03
2	12.1	6:00	6:03
3	12.1	5:59	6:02
4	12.1	5:59	6:02
5	12.0	5:59	6:02
6	12.0	5:59	6:01
7	12.0	5:58	6:01
8	12.0	5:58	6:00
9	12.0	5:58	6:00
10	12.0	5:57	5:59
11	12.0	5:57	5:59
12	12.0	5:57	5:59
13	12.0	5:57	5:58
14	12.0	5:56	5:58
15	12.0	5:56	5:57
16	12.0	5:56	5:57
17	12.0	5:55	5:56
18	12.0	5:55	5:56
19	12.0	5:55	5:55
20	12.0	5:55	5:55
21	12.0	5:54	5:54
22	12.0	5:54	5:54
23	12.0	5:54	5:53
24	12.0	5:53	5:53
25	12.0	5:53	5:53
26	12.0	5:53	5:52
27	12.0	5:53	5:52
28	12.0	5:52	5:51
29	12.0	5:52	5:51
30	12.0	5:52	5:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 5.96 kWh/m² in February across the year — September's 5.44 kWh/m² falls in the middle.

	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)	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	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	5.4	5.4	5.4	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	5.4	Bright
2	5.4	Bright
3	5.4	Bright
4	5.4	Bright
5	5.4	Bright
6	5.4	Bright
7	5.4	Bright
8	5.4	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	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Is September a good time to visit Watsa?

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

3.7

Sightseeing

10th-best month of the year

3.8

Beach & pool

11th-best month of the year

September is a weaker month for outdoor sightseeing in Watsa.

What to pack for Watsa in September

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

In September, Watsa sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Watsa 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 Watsa peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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	12	14	14	12	10	10	12	13	13	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

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

Air quality in Watsa 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 Watsa is worst in February — around 107 µg/m³ PM2.5 (unhealthy), about 12.0× the cleanest month (October, 9 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)	78	107	43	12	9	16	18	13	10	9	14	42
Level	Unhealthy	Unhealthy	Poor	Good	Good	Moderate	Moderate	Moderate	Good	Good	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	78	Unhealthy
Feb	107	Unhealthy
Mar	43	Poor
Apr	12	Good
May	9	Good
Jun	16	Moderate
Jul	18	Moderate
Aug	13	Moderate
Sep	10	Good
Oct	9	Good
Nov	14	Moderate
Dec	42	Poor

Location & terrain

Where is Watsa?

Watsa sits at 3.0°N, 29.5°E, 1,018 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Mangbwalu, 134 km away.

Topography around Watsa

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

Within 3 km, the terrain around Watsa has significant variations in elevation — a maximum elevation change of 271 m around an average of 970 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 434 m; within 80 km, large variations in elevation — a maximum elevation change of 777 m.

The land around Watsa is covered by trees (69%) and grassland (21%) within 3 km, trees (78%) within 16 km, and trees (73%) within 80 km.

3 km

271 m

trees 69%

16 km

434 m

trees 78%

80 km

777 m

trees 73%

treesshrubsgrasslandartificial surfaces

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

September weather nearby: Mangbwalu 134 km · Aru 146 km · Arua 153 km · Koboko 164 km · Djugu 164 km · Yei 173 km · Paidha 175 km · Bunia 183 km

Democratic Republic of the Congo travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / E; 220 V · 50 Hz
Prices: ≈ 42% of US; price level, 2025
GDP per capita: $807; 2025
Happiness: 3.8 / 10; World Happiness, 2025
Safe drinking water: 12%; of population, 2024
Road deaths: 34.9; per 100k/yr, 2019
Income group: Low; World Bank
English: Very low; EF EPI 400

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 Watsa (3.0372°, 29.5355°, elevation 1,018 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	27	19
2	27	19
3	27	19
4	27	19
5	27	19
6	27	19
7	27	19
8	27	19
9	27	19
10	27	19
11	27	19
12	27	19
13	27	19
14	27	19
15	27	19
16	27	19
17	27	19
18	27	19
19	27	19
20	27	19
21	27	19
22	27	19
23	27	19
24	27	19
25	27	19
26	27	19
27	27	19
28	27	19
29	27	19
30	27	19

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	18	82
8	18	82
9	19	81
10	19	81
11	19	81
12	19	81
13	19	81
14	20	80
15	20	80
16	20	80
17	20	80
18	19	81
19	19	81
20	19	81
21	18	82
22	18	82
23	17	83
24	17	83
25	16	84
26	16	84
27	15	85
28	15	85
29	15	85
30	14	86

	Rain chance (%)
1	91
2	91
3	91
4	91
5	91
6	91
7	91
8	92
9	92
10	92
11	92
12	92
13	93
14	93
15	93
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	92
29	92
30	92

	Humid (%)	Muggy (%)
1	2	98
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

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

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	18	82
8	18	82
9	19	81
10	19	81
11	19	81
12	19	81
13	19	81
14	20	80
15	20	80
16	20	80
17	20	80
18	19	81
19	19	81
20	19	81
21	18	82
22	18	82
23	17	83
24	17	83
25	16	84
26	16	84
27	15	85
28	15	85
29	15	85
30	14	86

	Rain chance (%)
1	91
2	91
3	91
4	91
5	91
6	91
7	91
8	92
9	92
10	92
11	92
12	92
13	93
14	93
15	93
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	92
29	92
30	92

	Humid (%)	Muggy (%)
1	2	98
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

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

	Clearer (%)	Cloudier (%)
1	19	81
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	18	82
8	18	82
9	19	81
10	19	81
11	19	81
12	19	81
13	19	81
14	20	80
15	20	80
16	20	80
17	20	80
18	19	81
19	19	81
20	19	81
21	18	82
22	18	82
23	17	83
24	17	83
25	16	84
26	16	84
27	15	85
28	15	85
29	15	85
30	14	86

	Rain chance (%)
1	91
2	91
3	91
4	91
5	91
6	91
7	91
8	92
9	92
10	92
11	92
12	92
13	93
14	93
15	93
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	92
26	92
27	92
28	92
29	92
30	92

	Humid (%)	Muggy (%)
1	2	98
2	1	99
3	1	99
4	1	99
5	1	99
6	1	99
7	1	99
8	1	99
9	1	99
10	1	99
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100