Tandag weather in September

In September, Tandag sees average daytime highs of 30°C and overnight lows near 25°C, with 195 mm of rain across 24.9 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 30°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels miserable.

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 Tandag's 9th-clearest and 12th-windiest month. For the whole year in context, see Tandag's year-round climate.

Daytime high: 30°; 2nd warmest
Overnight low: 25°; 10th coldest
Rainfall: 195 mm; 24.9 wet days
Daylight: 12 hours; 5:28 AM – 5:31 PM
Cloud cover: 82%; 9th clearest
Wind: 6 km/h; 12th windiest
Solar energy: 5.6 kWh/m²
Travel score: 2.9; out of 10

Tandag is city of the Philippines and capital of the province of Surigao del Sur.

Density: 99/km²; people per km²
Founded: 2007

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Tandag 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 30°C through the month.

A typical September day in Tandag reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)	31	31	31	31	30	30	30	30	30	30	31	31	31	31	31	31	31	31	30	30	30	30	30	30	30	30	30	30	30	30
Avg low (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	30	25
6	30	25
7	30	25
8	30	25
9	30	25
10	30	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	30	25
20	30	25
21	30	25
22	30	25
23	30	25
24	30	25
25	30	25
26	30	25
27	30	25
28	30	25
29	30	25
30	30	25

How September really feels in Tandag

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.

Tandag 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	28° / 24°	515	28.8	11.5	3.6
Feb	28° / 24°	367	25.8	11.7	3.6
Mar	28° / 24°	274	26.9	11.9	3.6
Apr	29° / 25°	162	23.7	12.2	3.6
May	30° / 25°	171	26.5	12.4	3.1
Jun	30° / 25°	203	26	12.5	2.9
Jul	30° / 25°	210	26.1	12.5	3.0
Aug	31° / 25°	200	24.6	12.3	3.0
Sep	30° / 25°	195	24.9	12.1	2.9
Oct	30° / 25°	218	26.7	11.8	3.0
Nov	29° / 25°	259	26.2	11.6	3.2
Dec	28° / 25°	350	28.7	11.5	3.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 83%.

	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 (%)	20	19	19	19	18	18	17	16	16	16	16	15	16	16	16	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18
Cloudier (%)	80	81	81	81	82	82	83	84	84	84	84	85	84	84	84	83	83	83	83	82	82	82	82	82	82	82	82	82	82	82

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	17	83
8	16	84
9	16	84
10	16	84
11	16	84
12	15	85
13	16	84
14	16	84
15	16	84
16	17	83
17	17	83
18	17	83
19	17	83
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

Chance of precipitation in September

Any precipitation

Tandag gets around 195 mm of rain over 24.9 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 83% and peaks near 85% on the wettest days.

	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 (%)	85	85	85	85	85	85	85	85	84	84	83	83	82	82	81	81	80	80	80	80	80	80	81	81	82	82	83	83	84	85

	Rain chance (%)
1	85
2	85
3	85
4	85
5	85
6	85
7	85
8	85
9	84
10	84
11	83
12	83
13	82
14	82
15	81
16	81
17	80
18	80
19	80
20	80
21	80
22	80
23	81
24	81
25	82
26	82
27	83
28	83
29	84
30	85

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 88% 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 (%)	13	13	13	13	13	13	13	13	14	14	13	13	13	13	12	12	12	11	11	11	11	11	11	11	11	11	11	12	12	12
Miserable (%)	87	87	87	87	87	87	87	87	86	86	87	87	87	87	88	88	88	89	89	89	89	89	89	89	89	89	89	88	88	88

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

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

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 5:40 PM to 5:22 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	12.1	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	12.0	11.9	11.9	11.9
Sunrise (AM)	5:30	5:30	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:29	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:27	5:27	5:27	5:27	5:27	5:27	5:27	5:27	5:27	5:27
Sunset (PM)	5:40	5:40	5:39	5:38	5:38	5:37	5:37	5:36	5:35	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	5:24	5:23	5:22

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.6 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 5.87 kWh/m² in April across the year — September's 5.6 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	5.8	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.6	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
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	5.8	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.7	Bright
9	5.7	Bright
10	5.7	Bright
11	5.6	Bright
12	5.6	Bright
13	5.6	Bright
14	5.6	Bright
15	5.6	Bright
16	5.6	Bright
17	5.6	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.5	Bright
23	5.5	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright

Planning a trip in September

Hazard calendar for Tandag

In seasonPeak

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

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

Pacific typhoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Tandag?

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

2.9

Sightseeing

11th-best month of the year

4.2

Beach & pool

5th-best month of the year

September is a weaker month for outdoor sightseeing in Tandag.

What to pack for Tandag in September

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

In September, Tandag sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Tandag 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 at the nearest coast (about 20 km away) 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	30	29	29	29	29
Comfort	Warm	Warm	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical

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

UV index in Tandag 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 Tandag peaks around March 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (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)	11	13	14	14	13	12	13	14	13	13	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	13	Extreme
Nov	11	Extreme
Dec	10	Very high

Location & terrain

Where is Tandag?

Tandag sits at 9.1°N, 126.2°E, 8 m above sea level, in Philippines. The nearest listed city is Bayugan, 59 km away.

Topography around Tandag

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

Within 3 km, the terrain around Tandag has only modest variations in elevation — a maximum elevation change of 78 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,897 m.

The land around Tandag is covered by water (65%) and trees (22%) within 3 km, water (47%) and trees (44%) within 16 km, and trees (48%) and water (47%) within 80 km.

3 km

78 m

water 65%

16 km

635 m

water 47%

80 km

1,897 m

trees 48%

treesgrasslandcroplandartificial surfaceswatermangroves

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

September weather nearby: Bayugan 59 km · Bah-Bah 61 km · Prosperidad 65 km · San Francisco 66 km · Tagbina 70 km · Cabadbaran 73 km · Butuan 73 km · Libertad 78 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 Tandag (9.0783°, 126.1986°, elevation 8 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	31	25
2	31	25
3	31	25
4	31	25
5	30	25
6	30	25
7	30	25
8	30	25
9	30	25
10	30	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	30	25
20	30	25
21	30	25
22	30	25
23	30	25
24	30	25
25	30	25
26	30	25
27	30	25
28	30	25
29	30	25
30	30	25

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	17	83
8	16	84
9	16	84
10	16	84
11	16	84
12	15	85
13	16	84
14	16	84
15	16	84
16	17	83
17	17	83
18	17	83
19	17	83
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	85
2	85
3	85
4	85
5	85
6	85
7	85
8	85
9	84
10	84
11	83
12	83
13	82
14	82
15	81
16	81
17	80
18	80
19	80
20	80
21	80
22	80
23	81
24	81
25	82
26	82
27	83
28	83
29	84
30	85

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

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	30	25
6	30	25
7	30	25
8	30	25
9	30	25
10	30	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	30	25
20	30	25
21	30	25
22	30	25
23	30	25
24	30	25
25	30	25
26	30	25
27	30	25
28	30	25
29	30	25
30	30	25

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	17	83
8	16	84
9	16	84
10	16	84
11	16	84
12	15	85
13	16	84
14	16	84
15	16	84
16	17	83
17	17	83
18	17	83
19	17	83
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	85
2	85
3	85
4	85
5	85
6	85
7	85
8	85
9	84
10	84
11	83
12	83
13	82
14	82
15	81
16	81
17	80
18	80
19	80
20	80
21	80
22	80
23	81
24	81
25	82
26	82
27	83
28	83
29	84
30	85

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

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	30	25
6	30	25
7	30	25
8	30	25
9	30	25
10	30	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	30	25
20	30	25
21	30	25
22	30	25
23	30	25
24	30	25
25	30	25
26	30	25
27	30	25
28	30	25
29	30	25
30	30	25

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	19	81
5	18	82
6	18	82
7	17	83
8	16	84
9	16	84
10	16	84
11	16	84
12	15	85
13	16	84
14	16	84
15	16	84
16	17	83
17	17	83
18	17	83
19	17	83
20	18	82
21	18	82
22	18	82
23	18	82
24	18	82
25	18	82
26	18	82
27	18	82
28	18	82
29	18	82
30	18	82

	Rain chance (%)
1	85
2	85
3	85
4	85
5	85
6	85
7	85
8	85
9	84
10	84
11	83
12	83
13	82
14	82
15	81
16	81
17	80
18	80
19	80
20	80
21	80
22	80
23	81
24	81
25	82
26	82
27	83
28	83
29	84
30	85

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