Benoa weather in September

In September, Benoa sees average daytime highs of 26°C and overnight lows near 25°C, with 39 mm of rain across 11.4 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 10th-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 48% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Benoa's 2nd-clearest and 5th-windiest month. For the whole year in context, see Benoa's year-round climate.

Daytime high
26°
11th warmest
Overnight low
25°
2nd coldest
Rainfall
39 mm
11.4 wet days
Daylight
12 hours
6:15 AM – 6:12 PM
Cloud cover
47%
2nd clearest
Wind
15 km/h
5th windiest
Solar energy
6.36 kWh/m²
Travel score
6.6
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 Benoa 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 25°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
202625
212625
222625
232625
242625
252625
262625
272625
282625
292625
302625

How September really feels in Benoa

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Benoa weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°27927.212.53.7
Feb28° / 26°23624.412.33.7
Mar28° / 26°19724.512.14.1
Apr28° / 26°1211911.84.7
May28° / 26°6214.211.66.0
Jun27° / 26°4612.711.56.2
Jul26° / 25°3912.311.56.5
Aug26° / 25°2811.411.76.8
Sep26° / 25°3911.411.96.6
Oct27° / 25°5614.912.25.9
Nov28° / 26°14420.512.44.8
Dec28° / 26°24825.612.53.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27327
37327
47228
57228
67228
77327
87327
97327
107327
117327
127327
137327
147327
157228
167228
177228
187228
197129
207129
217030
226931
236931
246733
256733
266634
276535
286436
296436
306337

Chance of precipitation in September

Any precipitation

Benoa gets around 39 mm of rain over 11.4 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 38% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
936
1036
1136
1236
1336
1436
1536
1637
1737
1837
1938
2038
2139
2240
2341
2441
2542
2643
2743
2844
2944
3044

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 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1119782
2118792
3218782
4217792
5216802
6216802
7215812
8215812
9214822
10214822
11213823
12113833
13113833
14112843
15112843
16112834
17112834
18012844
19011845
20011845
21011836
22010846
23010837
2409847
2509838
2609838
2708848
2808839
2907849
30078310

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 6:24 AM to 6:06 AM, and sunset from 6:14 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:246:14
211.86:236:14
311.86:236:14
411.96:226:13
511.96:226:13
611.96:216:13
711.96:206:13
811.96:206:13
911.96:196:13
1011.96:196:13
1111.96:186:13
1211.96:176:13
1311.96:176:12
1411.96:166:12
1511.96:156:12
1612.06:156:12
1712.06:146:12
1812.06:146:12
1912.06:136:12
2012.06:126:12
2112.06:126:11
2212.06:116:11
2312.06:116:11
2412.06:106:11
2512.06:096:11
2612.06:096:11
2712.06:086:11
2812.16:086:11
2912.16:076:11
3012.16:066:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.36 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.72 kWh/m² in October across the year — September's 6.36 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Benoa

In seasonPeak

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

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

Benoa's monsoon runs November–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Benoa?

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

6.6
Sightseeing
2nd-best month of the year
6.4
Beach & pool
2nd-best month of the year

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

What to pack for Benoa in September

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

In September, Benoa sees daytime highs around 26°C and nights near 25°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Benoa 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 17 km away) is warmest in March at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Benoa 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 Benoa peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 14Jun 20UV 9
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Benoa?

Benoa sits at 8.8°S, 115.2°E, 7 m above sea level, in Indonesia. The nearest listed city is Tuban, 5.0 km away.

Topography around Benoa

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

Within 3 km, the terrain around Benoa has only modest variations in elevation — a maximum elevation change of 13 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,913 m.

The land around Benoa is covered by water (77%) within 3 km, water (66%) within 16 km, and water (68%) and trees (27%) within 80 km.

3 km
13 m
16 km
214 m
80 km
2,913 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Tuban 5.0 km · Nusa Dua 5.0 km · Kuta 6.0 km · Seminyak 9.0 km · Sanur 10 km · Denpasar 12 km · Dalung 15 km · Batubulan 15 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 Benoa (-8.7548°, 115.2184°, elevation 7 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).