Sanana weather in September

In September, Sanana sees average daytime highs of 26°C and overnight lows near 25°C, with 69 mm of rain across 11.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 29% 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 Sanana's 2nd-clearest and 8th-windiest month. For the whole year in context, see Sanana's year-round climate.

Daytime high
26°
10th warmest
Overnight low
25°
3rd coldest
Rainfall
69 mm
11.5 wet days
Daylight
12 hours
6:31 AM – 6:30 PM
Cloud cover
59%
2nd clearest
Wind
11 km/h
8th windiest
Solar energy
6.2 kWh/m²
Travel score
6.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Sanana reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°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)
12625
22625
32625
42625
52625
62625
72625
82625
92625
102625
112625
122625
132625
142625
152625
162625
172625
182625
192625
202725
212725
222725
232725
242725
252726
262726
272726
282726
292726
302726

Sanana weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°20025.712.13.9
Feb27° / 26°17822.812.14.0
Mar27° / 26°19625.9124.0
Apr28° / 26°21125.7123.9
May27° / 26°18622.711.94.6
Jun27° / 26°19520.711.94.9
Jul26° / 25°13115.311.95.8
Aug26° / 25°719.611.96.7
Sep26° / 25°6911.5126.3
Oct27° / 26°7113.4126.0
Nov28° / 26°11519.312.14.9
Dec28° / 26°19826.912.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35644
45545
55545
65347
75347
85149
95050
104951
114951
124753
134753
144753
154753
164753
174654
184753
194753
204753
214852
224852
234852
244852
254852
264852
274951
284951
294852
304852

Chance of precipitation in September

Any precipitation

Sanana gets around 69 mm of rain over 11.5 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
234
334
435
536
636
737
837
937
1038
1138
1239
1339
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2539
2639
2739
2839
2940
3040

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
18920
29910
39910
49910
59910
69910
79910
89910
99910
109910
119910
129910
139910
149910
158920
168920
178920
187930
197930
206940
216940
225941
235941
245941
254951
264951
274951
284951
294951
303961

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 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
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:37 AM to 6:25 AM, and sunset from 6:35 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:376:35
212.06:376:34
312.06:366:34
412.06:366:34
512.06:356:33
612.06:356:33
712.06:356:33
812.06:346:33
912.06:346:32
1012.06:336:32
1112.06:336:32
1212.06:326:31
1312.06:326:31
1412.06:326:31
1512.06:316:30
1612.06:316:30
1712.06:306:30
1812.06:306:29
1912.06:296:29
2012.06:296:29
2112.06:296:29
2212.06:286:28
2312.06:286:28
2412.06:276:28
2512.06:276:27
2612.06:276:27
2712.06:266:27
2812.06:266:26
2912.06:256:26
3012.06:256:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.2 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 6.43 kWh/m² in October across the year — September's 6.2 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Is September a good time to visit Sanana?

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

6.3
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for Sanana in September

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

In September, Sanana sees daytime highs around 26°C and nights near 25°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Sanana 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 at the nearest coast (about 14 km away) is warmest in April 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
Apr30Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec30Tropical

UV index in Sanana 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 Sanana peaks around February 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 16Jun 23UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Sanana?

Sanana sits at 2.1°S, 126.0°E, 10 m above sea level, in Indonesia. The nearest listed city is Kawasi, 167 km away.

AmbonTernateAmahaiSofifiMasohi

Topography around Sanana

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

Within 3 km, the terrain around Sanana has significant variations in elevation — a maximum elevation change of 333 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 595 m; within 80 km, large variations in elevation — a maximum elevation change of 1,100 m.

The land around Sanana is covered by trees (56%) and water (36%) within 3 km, water (68%) and trees (30%) within 16 km, and water (88%) within 80 km.

3 km
333 m
16 km
595 m
80 km
1,100 m
treesgrasslandartificial surfaceswater
September weather nearby: Kawasi 167 km · Namlea 182 km · Namrole 215 km · Ambon 305 km · Ternate 353 km · Amahai 356 km · Sofifi 357 km · Masohi 360 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 Sanana (-2.0585°, 125.9779°, elevation 10 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).