Siargao weather in September

In September, Siargao sees average daytime highs of 29°C and overnight lows near 27°C, with 112 mm of rain across 17 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 10th-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 11% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Siargao's 11th-clearest and 9th-windiest month. For the whole year in context, see Siargao's year-round climate.

Daytime high: 29°; 2nd warmest
Overnight low: 27°; 11th coldest
Rainfall: 112 mm; 17 wet days
Daylight: 12 h 06 min; 5:29 AM – 5:32 PM
Cloud cover: 80%; 11th clearest
Wind: 14 km/h; 9th windiest
Solar energy: 5.52 kWh/m²
Travel score: 4.4; out of 10

← August Siargao 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 Siargao reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with 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	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27

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

How September really feels in Siargao

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.

Siargao weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 26°	388	27.3	11.5	3.9
Feb	27° / 25°	280	23	11.7	4.2
Mar	27° / 26°	205	23.3	11.9	4.5
Apr	28° / 26°	124	20.1	12.2	4.9
May	28° / 27°	99	18.1	12.4	4.7
Jun	29° / 27°	135	20.3	12.6	4.1
Jul	29° / 27°	126	19	12.5	4.2
Aug	29° / 27°	94	15	12.3	4.6
Sep	29° / 27°	112	17	12.1	4.4
Oct	28° / 27°	167	22.1	11.8	4.1
Nov	28° / 26°	264	25.3	11.5	4.0
Dec	27° / 26°	321	27.7	11.4	3.8

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 9% of September, with mostly cloudy or overcast conditions the remaining 79%.

	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 (%)	24	24	23	23	22	22	22	20	20	19	19	18	19	19	18	18	18	19	19	19	19	19	19	20	20	20	21	22	22	23
Cloudier (%)	76	76	77	77	78	78	78	80	80	81	81	82	81	81	82	82	82	81	81	81	81	81	81	80	80	80	79	78	78	77

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	22	78
6	22	78
7	22	78
8	20	80
9	20	80
10	19	81
11	19	81
12	18	82
13	19	81
14	19	81
15	18	82
16	18	82
17	18	82
18	19	81
19	19	81
20	19	81
21	19	81
22	19	81
23	19	81
24	20	80
25	20	80
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77

Chance of precipitation in September

Any precipitation

Siargao gets around 112 mm of rain over 17 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 58% and peaks near 62% on the wettest days. The odds climb 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 (%)	53	53	54	54	55	55	56	56	57	57	57	58	58	58	58	58	58	58	58	57	58	58	58	59	59	60	61	61	62	62

	Rain chance (%)
1	53
2	53
3	54
4	54
5	55
6	55
7	56
8	56
9	57
10	57
11	57
12	58
13	58
14	58
15	58
16	58
17	58
18	58
19	58
20	57
21	58
22	58
23	58
24	59
25	59
26	60
27	61
28	61
29	62
30	62

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 51% 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
Oppressive (%)	56	56	57	57	57	57	57	56	56	55	54	53	52	51	51	50	49	48	48	47	47	47	47	47	47	47	47	47	47	47
Miserable (%)	44	44	43	43	43	43	43	44	44	45	46	47	48	49	49	50	51	52	52	53	53	53	53	53	53	53	53	53	53	53

	Oppressive (%)	Miserable (%)
1	56	44
2	56	44
3	57	43
4	57	43
5	57	43
6	57	43
7	57	43
8	56	44
9	56	44
10	55	45
11	54	46
12	53	47
13	52	48
14	51	49
15	51	49
16	50	50
17	49	51
18	48	52
19	48	52
20	47	53
21	47	53
22	47	53
23	47	53
24	47	53
25	47	53
26	47	53
27	47	53
28	47	53
29	47	53
30	47	53

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 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	14	14	14	14	14	14	14	14	14	14	14	15	15	15	15	15	15	15	15	15	15	15
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	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	15	light breeze
21	15	light breeze
22	15	light breeze
23	15	light breeze
24	15	light breeze
25	15	light breeze
26	15	light breeze
27	15	light breeze
28	15	light breeze
29	15	light breeze
30	15	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 5:30 AM to 5:27 AM, and sunset from 5:41 PM to 5:23 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)	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9
Sunrise (AM)	5:30	5:30	5:30	5:30	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:27	5:27
Sunset (PM)	5:41	5:41	5:40	5:39	5:39	5:38	5:38	5:37	5:36	5:36	5:35	5:34	5:34	5:33	5:32	5:32	5:31	5:30	5:30	5:29	5:28	5:28	5:27	5:27	5:26	5:25	5:25	5:24	5:23	5:23

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	5:30	5:41
2	12.2	5:30	5:41
3	12.2	5:30	5:40
4	12.2	5:30	5:39
5	12.2	5:29	5:39
6	12.1	5:29	5:38
7	12.1	5:29	5:38
8	12.1	5:29	5:37
9	12.1	5:29	5:36
10	12.1	5:29	5:36
11	12.1	5:29	5:35
12	12.1	5:29	5:34
13	12.1	5:29	5:34
14	12.1	5:29	5:33
15	12.1	5:29	5:32
16	12.1	5:29	5:32
17	12.0	5:28	5:31
18	12.0	5:28	5:30
19	12.0	5:28	5:30
20	12.0	5:28	5:29
21	12.0	5:28	5:28
22	12.0	5:28	5:28
23	12.0	5:28	5:27
24	12.0	5:28	5:27
25	12.0	5:28	5:26
26	12.0	5:28	5:25
27	12.0	5:28	5:25
28	11.9	5:28	5:24
29	11.9	5:27	5:23
30	11.9	5:27	5:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.11 kWh/m² in April across the year — September's 5.52 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)	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.6	Bright
9	5.6	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.5	Bright
21	5.5	Bright
22	5.5	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.4	Bright
30	5.4	Bright

Planning a trip in September

Hazard calendar for Siargao

In seasonPeak

In September, Siargao sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Siargao sits in the Pacific typhoon belt; the season peaks July–October.

Siargao's rainy season runs November–March, when most of the year's rain falls.

Pacific typhoon

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Siargao?

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

4.4

Sightseeing

5th-best month of the year

5.5

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Siargao for sightseeing.

What to pack for Siargao in September

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

In September, Siargao sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Siargao in September

The nearest coast averages about 29°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 June at about 30°C and coldest in February near 28°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)	28	28	28	29	29	30	30	29	29	29	29	28
Comfort	Warm	Warm	Warm	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical

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

UV index in Siargao 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 Siargao peaks around April 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (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)	11	13	14	14	13	12	13	14	13	12	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	13	Extreme
Mar	14	Extreme
Apr	14	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	10	Very high

Location & terrain

Where is Siargao?

Siargao sits at 9.9°N, 126.1°E, 0 m above sea level, in Philippines. The nearest listed city is Surigao, 62 km away.

Topography around Siargao

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

Within 3 km, the terrain around Siargao has only modest variations in elevation — a maximum elevation change of 226 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 254 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,784 m.

The land around Siargao is covered by trees (84%) within 3 km, water (46%) and trees (40%) within 16 km, and water (73%) and trees (23%) within 80 km.

3 km

226 m

trees 84%

16 km

254 m

water 46%

80 km

1,784 m

water 73%

treesgrasslandcroplandwatermangroves

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

September weather nearby: Surigao 62 km · San Jose 63 km · Tandag 90 km · Cabadbaran 101 km · Butuan 117 km · Libertad 119 km · Buenavista 122 km · Bayugan 128 km

Philippines travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C; 230 V · 60 Hz
Prices: ≈ 33% of US; price level, 2025
GDP per capita: $4,171; 2025
Happiness: 6.2 / 10; World Happiness, 2025
Safe drinking water: 48%; of population, 2024
Homicide rate: 4.3; per 100k, 2023
Road deaths: 12; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: High; EF EPI 569
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 Siargao (9.8708°, 126.0511°, elevation 0 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	27
2	29	27
3	29	27
4	29	27
5	29	27
6	29	27
7	29	27
8	29	27
9	29	27
10	29	27
11	29	27
12	29	27
13	29	27
14	29	27
15	29	27
16	29	27
17	29	27
18	29	27
19	29	27
20	29	27
21	29	27
22	29	27
23	29	27
24	29	27
25	29	27
26	29	27
27	29	27
28	29	27
29	29	27
30	29	27

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	22	78
6	22	78
7	22	78
8	20	80
9	20	80
10	19	81
11	19	81
12	18	82
13	19	81
14	19	81
15	18	82
16	18	82
17	18	82
18	19	81
19	19	81
20	19	81
21	19	81
22	19	81
23	19	81
24	20	80
25	20	80
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77

	Rain chance (%)
1	53
2	53
3	54
4	54
5	55
6	55
7	56
8	56
9	57
10	57
11	57
12	58
13	58
14	58
15	58
16	58
17	58
18	58
19	58
20	57
21	58
22	58
23	58
24	59
25	59
26	60
27	61
28	61
29	62
30	62

	Oppressive (%)	Miserable (%)
1	56	44
2	56	44
3	57	43
4	57	43
5	57	43
6	57	43
7	57	43
8	56	44
9	56	44
10	55	45
11	54	46
12	53	47
13	52	48
14	51	49
15	51	49
16	50	50
17	49	51
18	48	52
19	48	52
20	47	53
21	47	53
22	47	53
23	47	53
24	47	53
25	47	53
26	47	53
27	47	53
28	47	53
29	47	53
30	47	53

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

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	22	78
6	22	78
7	22	78
8	20	80
9	20	80
10	19	81
11	19	81
12	18	82
13	19	81
14	19	81
15	18	82
16	18	82
17	18	82
18	19	81
19	19	81
20	19	81
21	19	81
22	19	81
23	19	81
24	20	80
25	20	80
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77

	Rain chance (%)
1	53
2	53
3	54
4	54
5	55
6	55
7	56
8	56
9	57
10	57
11	57
12	58
13	58
14	58
15	58
16	58
17	58
18	58
19	58
20	57
21	58
22	58
23	58
24	59
25	59
26	60
27	61
28	61
29	62
30	62

	Oppressive (%)	Miserable (%)
1	56	44
2	56	44
3	57	43
4	57	43
5	57	43
6	57	43
7	57	43
8	56	44
9	56	44
10	55	45
11	54	46
12	53	47
13	52	48
14	51	49
15	51	49
16	50	50
17	49	51
18	48	52
19	48	52
20	47	53
21	47	53
22	47	53
23	47	53
24	47	53
25	47	53
26	47	53
27	47	53
28	47	53
29	47	53
30	47	53

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

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	22	78
6	22	78
7	22	78
8	20	80
9	20	80
10	19	81
11	19	81
12	18	82
13	19	81
14	19	81
15	18	82
16	18	82
17	18	82
18	19	81
19	19	81
20	19	81
21	19	81
22	19	81
23	19	81
24	20	80
25	20	80
26	20	80
27	21	79
28	22	78
29	22	78
30	23	77

	Rain chance (%)
1	53
2	53
3	54
4	54
5	55
6	55
7	56
8	56
9	57
10	57
11	57
12	58
13	58
14	58
15	58
16	58
17	58
18	58
19	58
20	57
21	58
22	58
23	58
24	59
25	59
26	60
27	61
28	61
29	62
30	62

	Oppressive (%)	Miserable (%)
1	56	44
2	56	44
3	57	43
4	57	43
5	57	43
6	57	43
7	57	43
8	56	44
9	56	44
10	55	45
11	54	46
12	53	47
13	52	48
14	51	49
15	51	49
16	50	50
17	49	51
18	48	52
19	48	52
20	47	53
21	47	53
22	47	53
23	47	53
24	47	53
25	47	53
26	47	53
27	47	53
28	47	53
29	47	53
30	47	53