Djambala weather in September

In September, Djambala sees average daytime highs of 27°C and overnight lows near 20°C, with 107 mm of rain across 20.8 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-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 2% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Djambala's 5th-clearest and 3rd-windiest month. For the whole year in context, see Djambala's year-round climate.

Daytime high: 27°; 9th warmest
Overnight low: 20°; 4th coldest
Rainfall: 107 mm; 20.8 wet days
Daylight: 12 hours; 5:56 AM – 5:55 PM
Cloud cover: 76%; 5th clearest
Wind: 7 km/h; 3rd windiest
Solar energy: 4.85 kWh/m²
Travel score: 4.6; out of 10

Djambala is town in Plateaux Department, Republic of the Congo.

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

← August Djambala 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 Djambala reaches about 27°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°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)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20

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

Djambala weather by month

How September compares with the rest of the year at a glance. September is the 9th-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	28° / 20°	163	24.6	12.1	3.8
Feb	29° / 20°	155	22.7	12.1	3.5
Mar	29° / 21°	153	24.8	12	3.3
Apr	29° / 21°	175	24.8	11.9	3.3
May	29° / 20°	124	22.6	11.9	4.0
Jun	27° / 19°	31	8.5	11.9	6.6
Jul	27° / 19°	18	5.1	11.9	7.0
Aug	27° / 19°	50	12.2	11.9	5.9
Sep	27° / 20°	107	20.8	12	4.6
Oct	28° / 20°	221	28.9	12.1	3.6
Nov	28° / 20°	224	28.2	12.1	3.5
Dec	28° / 20°	196	27.5	12.1	3.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 78%.

	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 (%)	22	22	22	22	23	23	23	24	24	24	24	24	25	25	24	24	23	23	22	22	21	21	20	20	18	18	18	18	18	18
Cloudier (%)	78	78	78	78	77	77	77	76	76	76	76	76	75	75	76	76	77	77	78	78	79	79	80	80	82	82	82	82	82	82

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	22	78
5	23	77
6	23	77
7	23	77
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	25	75
14	25	75
15	24	76
16	24	76
17	23	77
18	23	77
19	22	78
20	22	78
21	21	79
22	21	79
23	20	80
24	20	80
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

Chance of precipitation in September

Any precipitation

Djambala gets around 107 mm of rain over 20.8 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 70% 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 (%)	52	53	54	56	57	58	60	62	63	65	66	68	69	71	72	73	74	74	75	76	77	78	79	80	81	81	82	83	84	84

	Rain chance (%)
1	52
2	53
3	54
4	56
5	57
6	58
7	60
8	62
9	63
10	65
11	66
12	68
13	69
14	71
15	72
16	73
17	74
18	74
19	75
20	76
21	77
22	78
23	79
24	80
25	81
26	81
27	82
28	83
29	84
30	84

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 95% 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 (%)	14	13	12	11	10	9	8	7	7	6	6	5	5	4	4	3	3	3	3	2	2	2	2	1	1	1	1	1	1	1
Muggy (%)	86	87	88	89	90	91	92	93	93	94	94	95	95	96	95	96	96	96	96	97	97	96	96	97	97	96	96	95	95	95
Oppressive (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	2	2	2	2	3	3	4	4	4

	Humid (%)	Muggy (%)	Oppressive (%)
1	14	86	0
2	13	87	0
3	12	88	0
4	11	89	0
5	10	90	0
6	9	91	0
7	8	92	0
8	7	93	0
9	7	93	0
10	6	94	0
11	6	94	0
12	5	95	0
13	5	95	0
14	4	96	0
15	4	95	1
16	3	96	1
17	3	96	1
18	3	96	1
19	3	96	1
20	2	97	1
21	2	97	1
22	2	96	2
23	2	96	2
24	1	97	2
25	1	97	2
26	1	96	3
27	1	96	3
28	1	95	4
29	1	95	4
30	1	95	4

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6
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	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:02 AM to 5:50 AM, and sunset from 5:59 PM to 5:51 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)	12.0	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	12.0	12.0	12.0	12.0
Sunrise (AM)	6:02	6:02	6:01	6:01	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:54	5:53	5:53	5:52	5:52	5:51	5:51	5:51	5:50	5:50
Sunset (PM)	5:59	5:59	5:59	5:58	5:58	5:58	5:58	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	5:51	5:51	5:51

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 5.45 kWh/m² in March across the year — September's 4.85 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)	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8
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	4.9	Bright
2	4.9	Bright
3	4.9	Bright
4	4.9	Bright
5	4.9	Bright
6	4.9	Bright
7	4.9	Bright
8	4.9	Bright
9	4.9	Bright
10	4.9	Bright
11	4.9	Bright
12	4.9	Bright
13	4.9	Bright
14	4.9	Bright
15	4.9	Bright
16	4.9	Bright
17	4.8	Bright
18	4.8	Bright
19	4.8	Bright
20	4.8	Bright
21	4.8	Bright
22	4.8	Bright
23	4.8	Bright
24	4.8	Bright
25	4.8	Bright
26	4.8	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.8	Bright

Planning a trip in September

Is September a good time to visit Djambala?

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

4.6

Sightseeing

4th-best month of the year

4.8

Beach & pool

5th-best month of the year

September is a reasonable time to visit Djambala for sightseeing.

What to pack for Djambala in September

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

In September, Djambala sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Djambala 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 Djambala peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 6 (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)	13	13	15	13	10	6	8	9	12	14	12	10
Level	Extreme	Extreme	Extreme	Extreme	Very high	High	Very high	Very high	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	13	Extreme
Feb	13	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	10	Very high
Jun	6	High
Jul	8	Very high
Aug	9	Very high
Sep	12	Extreme
Oct	14	Extreme
Nov	12	Extreme
Dec	10	Very high

Air quality in Djambala 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 Djambala is worst in July — around 48 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (October, 11 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)	21	26	23	21	27	45	48	40	20	11	12	18
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor	Moderate	Good	Good	Moderate

	PM2.5 (µg/m³)	Level
Jan	21	Moderate
Feb	26	Moderate
Mar	23	Moderate
Apr	21	Moderate
May	27	Moderate
Jun	45	Poor
Jul	48	Poor
Aug	40	Poor
Sep	20	Moderate
Oct	11	Good
Nov	12	Good
Dec	18	Moderate

Location & terrain

Where is Djambala?

Djambala sits at 2.5°S, 14.8°E, 640 m above sea level, in Republic of the Congo. The nearest listed city is Gamboma, 144 km away.

Topography around Djambala

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

Within 3 km, the terrain around Djambala has significant variations in elevation — a maximum elevation change of 321 m around an average of 757 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 427 m; within 80 km, significant variations in elevation — a maximum elevation change of 551 m.

The land around Djambala is covered by grassland (66%) within 3 km, grassland (81%) within 16 km, and grassland (82%) within 80 km.

3 km

321 m

grassland 66%

16 km

427 m

grassland 81%

80 km

551 m

grassland 82%

treesshrubsgrasslandartificial surfaces

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

September weather nearby: Gamboma 144 km · Franceville 164 km · Bolobo 170 km · Mouyondzi 186 km · Brazzaville 201 km · Sibiti 201 km · Moanda 204 km · Oyo 204 km

Republic of the Congo travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / E; 230 V · 50 Hz
Prices: ≈ 35% of US; price level, 2025
GDP per capita: $2,515; 2025
Happiness: 4.5 / 10; World Happiness, 2025
Safe drinking water: 46%; of population, 2021
Road deaths: 29.7; per 100k/yr, 2019
Income group: Lower middle; 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 Djambala (-2.5381°, 14.7541°, elevation 640 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	20
2	27	20
3	27	20
4	27	20
5	27	20
6	27	20
7	27	20
8	27	20
9	27	20
10	27	20
11	27	20
12	27	20
13	27	20
14	27	20
15	27	20
16	27	20
17	27	20
18	27	20
19	27	20
20	27	20
21	27	20
22	27	20
23	27	20
24	27	20
25	27	20
26	27	20
27	27	20
28	27	20
29	27	20
30	27	20

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	22	78
5	23	77
6	23	77
7	23	77
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	25	75
14	25	75
15	24	76
16	24	76
17	23	77
18	23	77
19	22	78
20	22	78
21	21	79
22	21	79
23	20	80
24	20	80
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	52
2	53
3	54
4	56
5	57
6	58
7	60
8	62
9	63
10	65
11	66
12	68
13	69
14	71
15	72
16	73
17	74
18	74
19	75
20	76
21	77
22	78
23	79
24	80
25	81
26	81
27	82
28	83
29	84
30	84

	Humid (%)	Muggy (%)	Oppressive (%)
1	14	86	0
2	13	87	0
3	12	88	0
4	11	89	0
5	10	90	0
6	9	91	0
7	8	92	0
8	7	93	0
9	7	93	0
10	6	94	0
11	6	94	0
12	5	95	0
13	5	95	0
14	4	96	0
15	4	95	1
16	3	96	1
17	3	96	1
18	3	96	1
19	3	96	1
20	2	97	1
21	2	97	1
22	2	96	2
23	2	96	2
24	1	97	2
25	1	97	2
26	1	96	3
27	1	96	3
28	1	95	4
29	1	95	4
30	1	95	4

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

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	22	78
5	23	77
6	23	77
7	23	77
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	25	75
14	25	75
15	24	76
16	24	76
17	23	77
18	23	77
19	22	78
20	22	78
21	21	79
22	21	79
23	20	80
24	20	80
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	52
2	53
3	54
4	56
5	57
6	58
7	60
8	62
9	63
10	65
11	66
12	68
13	69
14	71
15	72
16	73
17	74
18	74
19	75
20	76
21	77
22	78
23	79
24	80
25	81
26	81
27	82
28	83
29	84
30	84

	Humid (%)	Muggy (%)	Oppressive (%)
1	14	86	0
2	13	87	0
3	12	88	0
4	11	89	0
5	10	90	0
6	9	91	0
7	8	92	0
8	7	93	0
9	7	93	0
10	6	94	0
11	6	94	0
12	5	95	0
13	5	95	0
14	4	96	0
15	4	95	1
16	3	96	1
17	3	96	1
18	3	96	1
19	3	96	1
20	2	97	1
21	2	97	1
22	2	96	2
23	2	96	2
24	1	97	2
25	1	97	2
26	1	96	3
27	1	96	3
28	1	95	4
29	1	95	4
30	1	95	4

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

	Clearer (%)	Cloudier (%)
1	22	78
2	22	78
3	22	78
4	22	78
5	23	77
6	23	77
7	23	77
8	24	76
9	24	76
10	24	76
11	24	76
12	24	76
13	25	75
14	25	75
15	24	76
16	24	76
17	23	77
18	23	77
19	22	78
20	22	78
21	21	79
22	21	79
23	20	80
24	20	80
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	52
2	53
3	54
4	56
5	57
6	58
7	60
8	62
9	63
10	65
11	66
12	68
13	69
14	71
15	72
16	73
17	74
18	74
19	75
20	76
21	77
22	78
23	79
24	80
25	81
26	81
27	82
28	83
29	84
30	84

	Humid (%)	Muggy (%)	Oppressive (%)
1	14	86	0
2	13	87	0
3	12	88	0
4	11	89	0
5	10	90	0
6	9	91	0
7	8	92	0
8	7	93	0
9	7	93	0
10	6	94	0
11	6	94	0
12	5	95	0
13	5	95	0
14	4	96	0
15	4	95	1
16	3	96	1
17	3	96	1
18	3	96	1
19	3	96	1
20	2	97	1
21	2	97	1
22	2	96	2
23	2	96	2
24	1	97	2
25	1	97	2
26	1	96	3
27	1	96	3
28	1	95	4
29	1	95	4
30	1	95	4