Timika weather in September

In September, Timika sees average daytime highs of 29°C and overnight lows near 23°C, with 624 mm of rain across 26.2 wet days and about 12 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels oppressive.

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 Timika's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Timika's year-round climate.

Daytime high: 29°; 9th warmest
Overnight low: 23°; 3rd coldest
Rainfall: 624 mm; 26.2 wet days
Daylight: 12 hours; 5:48 AM – 5:47 PM
Cloud cover: 91%; 3rd clearest
Wind: 3 km/h; 3rd windiest
Solar energy: 3.58 kWh/m²
Travel score: 3.0; out of 10

← August Timika 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 29°C through the month.

A typical September day in Timika reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

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

How September really feels in Timika

Once humidity and wind are folded in, September averages 30 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.

Timika weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	402	27.1	12.2	2.5
Feb	31° / 23°	361	25.1	12.2	2.4
Mar	31° / 23°	440	28.6	12	2.4
Apr	30° / 23°	652	28	11.9	2.6
May	30° / 23°	725	28.1	11.8	2.8
Jun	29° / 23°	975	28.5	11.7	3.0
Jul	28° / 22°	1043	30	11.8	3.2
Aug	28° / 22°	817	28.9	11.8	3.2
Sep	29° / 23°	624	26.2	12	3.0
Oct	30° / 23°	399	25.3	12.1	2.9
Nov	31° / 23°	367	26.4	12.2	2.6
Dec	31° / 23°	428	28.6	12.3	2.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 2% of September, with mostly cloudy or overcast conditions the remaining 97%.

	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 (%)	3	3	3	3	3	3	3	3	3	3	3	3	3	2	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	1
Cloudier (%)	97	97	97	97	97	97	97	97	97	97	97	97	97	98	97	97	97	97	97	97	97	97	97	97	97	98	98	98	98	99

	Clearer (%)	Cloudier (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	2	98
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	2	98
27	2	98
28	2	98
29	2	98
30	1	99

Chance of precipitation in September

Any precipitation

Timika gets around 624 mm of rain over 26.2 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 87% and peaks near 91% on the wettest days. The odds ease 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 (%)	91	91	91	90	90	89	89	89	88	88	88	87	87	87	86	86	86	86	86	86	86	86	86	85	85	85	85	85	84	84

	Rain chance (%)
1	91
2	91
3	91
4	90
5	90
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	87
14	87
15	86
16	86
17	86
18	86
19	86
20	86
21	86
22	86
23	86
24	85
25	85
26	85
27	85
28	85
29	84
30	84

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 82% 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
Muggy (%)	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	4	4	3	3	3	2	2	2	2	1	1	1	1	1	1
Oppressive (%)	90	89	89	89	87	87	86	86	85	85	83	83	82	82	81	80	80	80	79	79	79	79	78	78	78	78	77	77	77	76
Miserable (%)	8	9	9	9	10	10	11	11	12	12	13	13	14	14	15	16	16	17	18	18	19	19	20	20	21	21	22	22	22	23

	Muggy (%)	Oppressive (%)	Miserable (%)
1	2	90	8
2	2	89	9
3	2	89	9
4	2	89	9
5	3	87	10
6	3	87	10
7	3	86	11
8	3	86	11
9	3	85	12
10	3	85	12
11	4	83	13
12	4	83	13
13	4	82	14
14	4	82	14
15	4	81	15
16	4	80	16
17	4	80	16
18	3	80	17
19	3	79	18
20	3	79	18
21	2	79	19
22	2	79	19
23	2	78	20
24	2	78	20
25	1	78	21
26	1	78	21
27	1	77	22
28	1	77	22
29	1	77	22
30	1	76	23

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 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)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
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	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	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 5:56 AM to 5:42 AM, and sunset from 5:50 PM to 5:44 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	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
Sunrise (AM)	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	5:49	5:49	5:48	5:48	5:47	5:47	5:46	5:46	5:45	5:45	5:44	5:44	5:43	5:43	5:42	5:42	5:42
Sunset (PM)	5:50	5:50	5:50	5:50	5:49	5:49	5:49	5:49	5:49	5:48	5:48	5:48	5:48	5:47	5:47	5:47	5:47	5:46	5:46	5:46	5:46	5:45	5:45	5:45	5:45	5:45	5:44	5:44	5:44	5:44

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	5:56	5:50
2	11.9	5:55	5:50
3	11.9	5:55	5:50
4	11.9	5:54	5:50
5	11.9	5:54	5:49
6	11.9	5:53	5:49
7	11.9	5:53	5:49
8	11.9	5:52	5:49
9	11.9	5:52	5:49
10	11.9	5:51	5:48
11	12.0	5:51	5:48
12	12.0	5:50	5:48
13	12.0	5:50	5:48
14	12.0	5:49	5:47
15	12.0	5:49	5:47
16	12.0	5:48	5:47
17	12.0	5:48	5:47
18	12.0	5:47	5:46
19	12.0	5:47	5:46
20	12.0	5:46	5:46
21	12.0	5:46	5:46
22	12.0	5:45	5:45
23	12.0	5:45	5:45
24	12.0	5:44	5:45
25	12.0	5:44	5:45
26	12.0	5:43	5:45
27	12.0	5:43	5:44
28	12.0	5:42	5:44
29	12.0	5:42	5:44
30	12.0	5:42	5:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.58 kWh/m².

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 4.61 kWh/m² in January across the year — September's 3.58 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)	3.2	3.2	3.3	3.3	3.3	3.3	3.4	3.4	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.6	3.6	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	4.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.2	Moderate
2	3.2	Moderate
3	3.3	Moderate
4	3.3	Moderate
5	3.3	Moderate
6	3.3	Moderate
7	3.4	Moderate
8	3.4	Moderate
9	3.4	Moderate
10	3.4	Moderate
11	3.5	Moderate
12	3.5	Moderate
13	3.5	Moderate
14	3.6	Moderate
15	3.6	Moderate
16	3.6	Moderate
17	3.6	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.7	Moderate
21	3.7	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.9	Moderate
27	3.9	Moderate
28	3.9	Moderate
29	3.9	Moderate
30	4.0	Moderate

Planning a trip in September

Hazard calendar for Timika

In seasonPeak

None of Timika's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Timika sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Timika?

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

3.0

Sightseeing

3rd-best month of the year

4.0

Beach & pool

2nd-best month of the year

September is a weaker month for outdoor sightseeing in Timika.

What to pack for Timika in September

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

In September, Timika sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

Sea temperature near Timika in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in April at about 30°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	29	30	30	30	29	27	26	26	26	28	29	30
Comfort	Tropical	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Tropical	Tropical

	Sea temperature (°C)	Comfort
Jan	29	Tropical
Feb	30	Tropical
Mar	30	Tropical
Apr	30	Tropical
May	29	Tropical
Jun	27	Warm
Jul	26	Warm
Aug	26	Warm
Sep	26	Warm
Oct	28	Warm
Nov	29	Tropical
Dec	30	Tropical

UV index in Timika 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 Timika peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 11 (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)	15	16	16	15	12	11	11	13	13	14	13	13
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	16	Extreme
Mar	16	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	11	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	14	Extreme
Nov	13	Extreme
Dec	13	Extreme

Location & terrain

Where is Timika?

Timika sits at 4.6°S, 136.7°E, 21 m above sea level, in Indonesia. The nearest listed city is Mulia, 176 km away.

Topography around Timika

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

Within 3 km, the terrain around Timika has only modest variations in elevation — a maximum elevation change of 31 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 46 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,713 m.

The land around Timika is covered by trees (95%) within 3 km, trees (93%) within 16 km, and trees (60%) and water (28%) within 80 km.

3 km

31 m

trees 95%

16 km

46 m

trees 93%

80 km

4,713 m

trees 60%

treesgrasslandwatermangroves

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

September weather nearby: Mulia 176 km · Nabire 191 km · Agats 192 km · Tiom 212 km · Wamena 258 km · Dobo 299 km · Biak 388 km · Ransiki 443 km

Indonesia travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $5,060; 2025
Happiness: 5.6 / 10; World Happiness, 2025
Safe drinking water: 30%; of population, 2024
Homicide rate: 0.3; per 100k, 2022
Road deaths: 11.3; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 471
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 Timika (-4.6141°, 136.6768°, elevation 21 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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	29	22
2	29	22
3	29	22
4	29	22
5	29	22
6	29	22
7	29	22
8	29	22
9	29	22
10	29	22
11	29	22
12	29	22
13	29	22
14	29	23
15	29	23
16	29	23
17	29	23
18	29	23
19	30	23
20	30	23
21	30	23
22	30	23
23	30	23
24	30	23
25	30	23
26	30	23
27	30	23
28	30	23
29	30	23
30	30	23

	Clearer (%)	Cloudier (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	2	98
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	2	98
27	2	98
28	2	98
29	2	98
30	1	99

	Rain chance (%)
1	91
2	91
3	91
4	90
5	90
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	87
14	87
15	86
16	86
17	86
18	86
19	86
20	86
21	86
22	86
23	86
24	85
25	85
26	85
27	85
28	85
29	84
30	84

	Muggy (%)	Oppressive (%)	Miserable (%)
1	2	90	8
2	2	89	9
3	2	89	9
4	2	89	9
5	3	87	10
6	3	87	10
7	3	86	11
8	3	86	11
9	3	85	12
10	3	85	12
11	4	83	13
12	4	83	13
13	4	82	14
14	4	82	14
15	4	81	15
16	4	80	16
17	4	80	16
18	3	80	17
19	3	79	18
20	3	79	18
21	2	79	19
22	2	79	19
23	2	78	20
24	2	78	20
25	1	78	21
26	1	78	21
27	1	77	22
28	1	77	22
29	1	77	22
30	1	76	23

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

	Clearer (%)	Cloudier (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	2	98
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	2	98
27	2	98
28	2	98
29	2	98
30	1	99

	Rain chance (%)
1	91
2	91
3	91
4	90
5	90
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	87
14	87
15	86
16	86
17	86
18	86
19	86
20	86
21	86
22	86
23	86
24	85
25	85
26	85
27	85
28	85
29	84
30	84

	Muggy (%)	Oppressive (%)	Miserable (%)
1	2	90	8
2	2	89	9
3	2	89	9
4	2	89	9
5	3	87	10
6	3	87	10
7	3	86	11
8	3	86	11
9	3	85	12
10	3	85	12
11	4	83	13
12	4	83	13
13	4	82	14
14	4	82	14
15	4	81	15
16	4	80	16
17	4	80	16
18	3	80	17
19	3	79	18
20	3	79	18
21	2	79	19
22	2	79	19
23	2	78	20
24	2	78	20
25	1	78	21
26	1	78	21
27	1	77	22
28	1	77	22
29	1	77	22
30	1	76	23

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

	Clearer (%)	Cloudier (%)
1	3	97
2	3	97
3	3	97
4	3	97
5	3	97
6	3	97
7	3	97
8	3	97
9	3	97
10	3	97
11	3	97
12	3	97
13	3	97
14	2	98
15	3	97
16	3	97
17	3	97
18	3	97
19	3	97
20	3	97
21	3	97
22	3	97
23	3	97
24	3	97
25	3	97
26	2	98
27	2	98
28	2	98
29	2	98
30	1	99

	Rain chance (%)
1	91
2	91
3	91
4	90
5	90
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	87
14	87
15	86
16	86
17	86
18	86
19	86
20	86
21	86
22	86
23	86
24	85
25	85
26	85
27	85
28	85
29	84
30	84

	Muggy (%)	Oppressive (%)	Miserable (%)
1	2	90	8
2	2	89	9
3	2	89	9
4	2	89	9
5	3	87	10
6	3	87	10
7	3	86	11
8	3	86	11
9	3	85	12
10	3	85	12
11	4	83	13
12	4	83	13
13	4	82	14
14	4	82	14
15	4	81	15
16	4	80	16
17	4	80	16
18	3	80	17
19	3	79	18
20	3	79	18
21	2	79	19
22	2	79	19
23	2	78	20
24	2	78	20
25	1	78	21
26	1	78	21
27	1	77	22
28	1	77	22
29	1	77	22
30	1	76	23