Tsumeb weather in September

In September, Tsumeb sees average daytime highs of 32°C and overnight lows near 17°C, with 3 mm of rain across 0.8 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 85% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Tsumeb's 5th-clearest and 2nd-windiest month. For the whole year in context, see Tsumeb's year-round climate.

Daytime high: 32°; 3rd warmest
Overnight low: 17°; 6th coldest
Rainfall: 3 mm; 0.8 wet days
Daylight: 11 h 54 min; 6:47 AM – 6:40 PM
Cloud cover: 16%; 5th clearest
Wind: 13 km/h; 2nd windiest
Solar energy: 6.78 kWh/m²
Travel score: 5.2; out of 10

Tsumeb is city in Namibia.

Density: 1,269/km²; people per km²
Founded: 1905

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

← August Tsumeb 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

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical September day in Tsumeb reaches about 32°C in the afternoon and slips back to 17°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler than 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)	31	31	31	31	31	31	31	31	32	32	32	32	32	32	32	32	32	33	33	33	33	33	33	33	33	33	33	33	33	34
Avg low (°C)	15	16	16	16	16	16	16	16	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19

	Avg high (°C)	Avg low (°C)
1	31	15
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	32	17
10	32	17
11	32	17
12	32	17
13	32	17
14	32	17
15	32	17
16	32	18
17	32	18
18	33	18
19	33	18
20	33	18
21	33	18
22	33	18
23	33	18
24	33	19
25	33	19
26	33	19
27	33	19
28	33	19
29	33	19
30	34	19

How September really feels in Tsumeb

Once humidity and wind are folded in, September averages 18 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

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tsumeb weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 20°	132	15.9	13	3.9
Feb	30° / 19°	110	14.2	12.7	4.3
Mar	30° / 19°	76	12.9	12.1	4.9
Apr	29° / 17°	21	4.5	11.6	6.5
May	27° / 14°	0	0	11.1	8.6
Jun	25° / 10°	0	0	10.9	9.7
Jul	25° / 10°	0	0	11	9.6
Aug	28° / 13°	0	0	11.3	8.1
Sep	32° / 17°	3	0.8	11.9	5.2
Oct	34° / 20°	14	3.4	12.4	3.7
Nov	33° / 20°	46	9.8	12.9	3.6
Dec	32° / 20°	88	14.5	13.1	3.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 5%. 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 (%)	97	96	96	96	96	95	95	95	95	95	94	94	94	94	94	94	93	93	93	93	93	94	94	94	95	95	95	95	95	95
Cloudier (%)	3	4	4	4	4	5	5	5	5	5	6	6	6	6	6	6	7	7	7	7	7	6	6	6	5	5	5	5	5	5

	Clearer (%)	Cloudier (%)
1	97	3
2	96	4
3	96	4
4	96	4
5	96	4
6	95	5
7	95	5
8	95	5
9	95	5
10	95	5
11	94	6
12	94	6
13	94	6
14	94	6
15	94	6
16	94	6
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	95	5
26	95	5
27	95	5
28	95	5
29	95	5
30	95	5

Chance of precipitation in September

Any precipitation

Tsumeb gets around 3 mm of rain over 0.8 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 3% and peaks near 6% 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 (%)	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	3	3	3	3	3	4	4	4	5	5	5	5	6	6

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

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	99	99	98	98	98
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	2	2	2

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

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 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)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 7:00 AM to 6:34 AM, and sunset from 6:37 PM to 6:43 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)	11.6	11.6	11.7	11.7	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.1	12.2
Sunrise (AM)	7:00	7:00	6:59	6:58	6:57	6:56	6:55	6:54	6:53	6:52	6:51	6:50	6:50	6:49	6:48	6:47	6:46	6:45	6:44	6:43	6:42	6:41	6:40	6:39	6:38	6:37	6:37	6:36	6:35	6:34
Sunset (PM)	6:37	6:38	6:38	6:38	6:38	6:38	6:39	6:39	6:39	6:39	6:39	6:39	6:40	6:40	6:40	6:40	6:40	6:41	6:41	6:41	6:41	6:41	6:42	6:42	6:42	6:42	6:42	6:43	6:43	6:43

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	7:00	6:37
2	11.6	7:00	6:38
3	11.7	6:59	6:38
4	11.7	6:58	6:38
5	11.7	6:57	6:38
6	11.7	6:56	6:38
7	11.7	6:55	6:39
8	11.7	6:54	6:39
9	11.8	6:53	6:39
10	11.8	6:52	6:39
11	11.8	6:51	6:39
12	11.8	6:50	6:39
13	11.8	6:50	6:40
14	11.9	6:49	6:40
15	11.9	6:48	6:40
16	11.9	6:47	6:40
17	11.9	6:46	6:40
18	11.9	6:45	6:41
19	11.9	6:44	6:41
20	12.0	6:43	6:41
21	12.0	6:42	6:41
22	12.0	6:41	6:41
23	12.0	6:40	6:42
24	12.0	6:39	6:42
25	12.1	6:38	6:42
26	12.1	6:37	6:42
27	12.1	6:37	6:42
28	12.1	6:36	6:43
29	12.1	6:35	6:43
30	12.2	6:34	6:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.78 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 7.23 kWh/m² in October across the year — September's 6.78 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)	6.4	6.4	6.4	6.5	6.5	6.5	6.6	6.6	6.6	6.7	6.7	6.7	6.7	6.8	6.8	6.8	6.8	6.8	6.9	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.0	7.1	7.1	7.1
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.4	Intense
2	6.4	Intense
3	6.4	Intense
4	6.5	Intense
5	6.5	Intense
6	6.5	Intense
7	6.6	Intense
8	6.6	Intense
9	6.6	Intense
10	6.7	Intense
11	6.7	Intense
12	6.7	Intense
13	6.7	Intense
14	6.8	Intense
15	6.8	Intense
16	6.8	Intense
17	6.8	Intense
18	6.8	Intense
19	6.9	Intense
20	6.9	Intense
21	6.9	Intense
22	6.9	Intense
23	7.0	Intense
24	7.0	Intense
25	7.0	Intense
26	7.0	Intense
27	7.0	Intense
28	7.1	Intense
29	7.1	Intense
30	7.1	Intense

Planning a trip in September

Is September a good time to visit Tsumeb?

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

5.2

Sightseeing

6th-best month of the year

8.4

Beach & pool

3rd-best month of the year

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

What to pack for Tsumeb in September

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

In September, Tsumeb sees daytime highs around 32°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Tsumeb in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsumeb peaks around January 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 7 (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)	15	14	14	11	9	7	7	9	9	12	13	14
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	14	Extreme
Mar	14	Extreme
Apr	11	Extreme
May	9	Very high
Jun	7	Very high
Jul	7	Very high
Aug	9	Very high
Sep	9	Very high
Oct	12	Extreme
Nov	13	Extreme
Dec	14	Extreme

Location & terrain

Where is Tsumeb?

Tsumeb sits at 19.2°S, 17.7°E, 1,309 m above sea level, in Namibia. The nearest listed city is Grootfontein, 54 km away.

Topography around Tsumeb

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

Within 3 km, the terrain around Tsumeb has only modest variations in elevation — a maximum elevation change of 147 m around an average of 1,318 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 568 m; within 80 km, large variations in elevation — a maximum elevation change of 1,011 m.

The land around Tsumeb is covered by shrubs (56%) within 3 km, shrubs (82%) within 16 km, and shrubs (92%) within 80 km.

3 km

147 m

shrubs 56%

16 km

568 m

shrubs 82%

80 km

1,011 m

shrubs 92%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

September weather nearby: Grootfontein 54 km · Otjiwarongo 175 km · Ondangwa 236 km · Rundu 263 km · Ongwediva 263 km · Oshakati 267 km · Helao Nafidi 282 km · Okahandja 315 km

Namibia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type D / M; 220 V · 50 Hz
Prices: ≈ 41% of US; price level, 2025
GDP per capita: $4,876; 2025
Happiness: 4.8 / 10; World Happiness, 2025
Homicide rate: 11.2; per 100k, 2021
Road deaths: 34.8; 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 Tsumeb (-19.2484°, 17.7135°, elevation 1,309 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. 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	31	15
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	32	17
10	32	17
11	32	17
12	32	17
13	32	17
14	32	17
15	32	17
16	32	18
17	32	18
18	33	18
19	33	18
20	33	18
21	33	18
22	33	18
23	33	18
24	33	19
25	33	19
26	33	19
27	33	19
28	33	19
29	33	19
30	34	19

	Clearer (%)	Cloudier (%)
1	97	3
2	96	4
3	96	4
4	96	4
5	96	4
6	95	5
7	95	5
8	95	5
9	95	5
10	95	5
11	94	6
12	94	6
13	94	6
14	94	6
15	94	6
16	94	6
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	95	5
26	95	5
27	95	5
28	95	5
29	95	5
30	95	5

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

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

	Avg high (°C)	Avg low (°C)
1	31	15
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	32	17
10	32	17
11	32	17
12	32	17
13	32	17
14	32	17
15	32	17
16	32	18
17	32	18
18	33	18
19	33	18
20	33	18
21	33	18
22	33	18
23	33	18
24	33	19
25	33	19
26	33	19
27	33	19
28	33	19
29	33	19
30	34	19

	Clearer (%)	Cloudier (%)
1	97	3
2	96	4
3	96	4
4	96	4
5	96	4
6	95	5
7	95	5
8	95	5
9	95	5
10	95	5
11	94	6
12	94	6
13	94	6
14	94	6
15	94	6
16	94	6
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	95	5
26	95	5
27	95	5
28	95	5
29	95	5
30	95	5

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

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

	Avg high (°C)	Avg low (°C)
1	31	15
2	31	16
3	31	16
4	31	16
5	31	16
6	31	16
7	31	16
8	31	16
9	32	17
10	32	17
11	32	17
12	32	17
13	32	17
14	32	17
15	32	17
16	32	18
17	32	18
18	33	18
19	33	18
20	33	18
21	33	18
22	33	18
23	33	18
24	33	19
25	33	19
26	33	19
27	33	19
28	33	19
29	33	19
30	34	19

	Clearer (%)	Cloudier (%)
1	97	3
2	96	4
3	96	4
4	96	4
5	96	4
6	95	5
7	95	5
8	95	5
9	95	5
10	95	5
11	94	6
12	94	6
13	94	6
14	94	6
15	94	6
16	94	6
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	95	5
26	95	5
27	95	5
28	95	5
29	95	5
30	95	5

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

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