Ternate weather in September

In September, Ternate sees average daytime highs of 27°C and overnight lows near 24°C, with 180 mm of rain across 19.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 11th-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 11% of the time in September, and the air most often feels oppressive.

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 Ternate's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Ternate's year-round climate.

Daytime high
27°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
180 mm
19.8 wet days
Daylight
12 hours
6:25 AM – 6:25 PM
Cloud cover
73%
2nd clearest
Wind
11 km/h
3rd windiest
Solar energy
5.89 kWh/m²
Travel score
4.8
out of 10

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 Ternate reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102724
112724
122724
132724
142724
152724
162724
172724
182724
192724
202724
212724
222724
232724
242724
252724
262724
272724
282724
292724
302824

Ternate weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°23826.3123.9
Feb27° / 25°18721.9124.1
Mar28° / 25°23424.6124.1
Apr28° / 25°29126.3123.8
May28° / 25°30127.2123.8
Jun27° / 25°29424.6124.1
Jul27° / 24°21922.2124.6
Aug27° / 24°15117.9125.2
Sep27° / 24°18019.8124.8
Oct28° / 24°18721.3124.6
Nov28° / 25°22826.7123.7
Dec28° / 25°26527.8123.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32872
42872
52773
62773
72674
82674
92674
102674
112773
122773
132773
142674
152674
162773
172872
182872
192872
202872
212971
222971
232971
242971
252971
262971
272971
282872
292971
302971

Chance of precipitation in September

Any precipitation

Ternate gets around 180 mm of rain over 19.8 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 66% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
167
268
368
468
568
668
767
867
967
1067
1166
1266
1366
1466
1566
1666
1766
1866
1965
2065
2165
2265
2365
2464
2564
2664
2764
2863
2963
3063

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1298
2397
3397
4397
5496
6496
7496
8496
9496
10496
11496
12595
13496
14496
15496
16496
17496
18496
19397
20397
21397
22397
23397
24397
25397
26298
27298
28298
29298
30298

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:30 AM to 6:20 AM, and sunset from 6:31 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:306:31
212.06:296:30
312.06:296:30
412.06:296:30
512.06:286:29
612.06:286:29
712.06:286:28
812.06:276:28
912.06:276:28
1012.06:276:27
1112.06:266:27
1212.06:266:26
1312.06:266:26
1412.06:256:26
1512.06:256:25
1612.06:256:25
1712.06:246:25
1812.06:246:24
1912.06:246:24
2012.06:236:23
2112.06:236:23
2212.06:236:23
2312.06:226:22
2412.06:226:22
2512.06:226:21
2612.06:216:21
2712.06:216:21
2812.06:216:20
2912.06:206:20
3012.06:206:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.89 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 6.05 kWh/m² in October across the year — September's 5.89 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Is September a good time to visit Ternate?

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

4.8
Sightseeing
2nd-best month of the year
5.0
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Ternate for sightseeing.

What to pack for Ternate in September

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

In September, Ternate sees daytime highs around 27°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Ternate in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in August near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ternate in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ternate peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 21UV 11
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Ternate?

Ternate sits at 0.8°N, 127.4°E, 23 m above sea level, in Indonesia. The nearest listed city is Sofifi, 20 km away.

ManadoTomohon

Topography around Ternate

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

Within 3 km, the terrain around Ternate has significant variations in elevation — a maximum elevation change of 533 m around an average of 69 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,727 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,686 m.

The land around Ternate is covered by water (45%), artificial surfaces (30%) and trees (25%) within 3 km, water (74%) and trees (22%) within 16 km, and water (61%) and trees (37%) within 80 km.

3 km
533 m
16 km
1,727 m
80 km
1,686 m
treesgrasslandartificial surfaceswatermangroves
September weather nearby: Sofifi 20 km · Tobelo 125 km · Daruba 173 km · Bitung 261 km · Kawasi 265 km · Tondano 281 km · Manado 292 km · Tomohon 293 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
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Ternate (0.7906°, 127.3842°, elevation 23 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. 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).