Asia weather in September

In September, Asia sees average daytime highs of 28°C and overnight lows near 25°C, with 386 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% 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 Asia's 11th-clearest and 6th-windiest month. For the whole year in context, see Asia's year-round climate.

Daytime high: 28°; 10th warmest
Overnight low: 25°; 4th coldest
Rainfall: 386 mm; 28.1 wet days
Daylight: 12 h 06 min; 5:43 AM – 5:46 PM
Cloud cover: 87%; 11th clearest
Wind: 12 km/h; 6th windiest
Solar energy: 5.01 kWh/m²
Travel score: 3.4; out of 10

← August Asia 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 28°C through the month.

A typical September day in Asia reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°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)	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
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	28	25
2	28	25
3	28	25
4	28	25
5	28	25
6	28	25
7	28	25
8	28	25
9	28	25
10	28	25
11	28	25
12	28	25
13	28	25
14	28	25
15	28	25
16	28	25
17	28	25
18	28	25
19	28	25
20	28	25
21	28	25
22	28	25
23	28	25
24	28	25
25	28	25
26	28	25
27	28	25
28	28	25
29	28	25
30	28	25

How September really feels in Asia

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Asia weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 25°	68	11.1	11.5	5.4
Feb	29° / 25°	62	8.5	11.7	5.6
Mar	29° / 25°	70	10	11.9	5.3
Apr	30° / 26°	83	13.1	12.2	4.6
May	29° / 26°	227	25.2	12.4	3.5
Jun	28° / 25°	347	28.3	12.5	3.2
Jul	28° / 25°	421	29	12.5	3.4
Aug	28° / 25°	380	27.3	12.3	3.6
Sep	28° / 25°	386	28.1	12.1	3.4
Oct	28° / 25°	318	28.1	11.8	3.4
Nov	29° / 25°	157	19.5	11.6	4.1
Dec	29° / 25°	126	15.8	11.5	4.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 90%.

	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 (%)	11	11	11	10	10	10	10	10	10	10	9	9	9	9	9	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11
Cloudier (%)	89	89	89	90	90	90	90	90	90	90	91	91	91	91	91	90	90	90	90	90	89	89	89	89	89	89	89	89	89	89

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	9	91
12	9	91
13	9	91
14	9	91
15	9	91
16	10	90
17	10	90
18	10	90
19	10	90
20	10	90
21	11	89
22	11	89
23	11	89
24	11	89
25	11	89
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89

Chance of precipitation in September

Any precipitation

Asia gets around 386 mm of rain over 28.1 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 93% and peaks near 94% 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 (%)	92	92	93	93	93	94	94	94	94	94	94	94	94	94	94	93	93	93	93	93	93	93	93	93	93	93	93	94	94	94

	Rain chance (%)
1	92
2	92
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	93
26	93
27	93
28	94
29	94
30	94

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 53% 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 (%)	51	51	52	53	53	54	54	55	55	55	55	55	55	55	54	54	53	53	52	51	51	51	51	51	51	51	52	52	53	54
Miserable (%)	49	49	48	47	47	46	46	45	45	45	45	45	45	45	46	46	47	47	48	49	49	49	49	49	49	49	48	48	47	46

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

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	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	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	12	calm
2	12	calm
3	12	calm
4	12	calm
5	12	calm
6	12	calm
7	12	calm
8	12	calm
9	12	calm
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	11	calm
29	11	calm
30	11	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 5:44 AM to 5:41 AM, and sunset from 5:55 PM to 5:37 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)	5:44	5:44	5:44	5:44	5:44	5:44	5:44	5:43	5:43	5:43	5:43	5:43	5:43	5:43	5:43	5:43	5:43	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:42	5:41
Sunset (PM)	5:55	5:55	5:54	5:53	5:53	5:52	5:52	5:51	5:50	5:50	5:49	5:48	5:48	5:47	5:46	5:46	5:45	5:45	5:44	5:43	5:43	5:42	5:41	5:41	5:40	5:39	5:39	5:38	5:38	5:37

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	5:44	5:55
2	12.2	5:44	5:55
3	12.2	5:44	5:54
4	12.2	5:44	5:53
5	12.2	5:44	5:53
6	12.1	5:44	5:52
7	12.1	5:44	5:52
8	12.1	5:43	5:51
9	12.1	5:43	5:50
10	12.1	5:43	5:50
11	12.1	5:43	5:49
12	12.1	5:43	5:48
13	12.1	5:43	5:48
14	12.1	5:43	5:47
15	12.1	5:43	5:46
16	12.1	5:43	5:46
17	12.0	5:43	5:45
18	12.0	5:42	5:45
19	12.0	5:42	5:44
20	12.0	5:42	5:43
21	12.0	5:42	5:43
22	12.0	5:42	5:42
23	12.0	5:42	5:41
24	12.0	5:42	5:41
25	12.0	5:42	5:40
26	12.0	5:42	5:39
27	12.0	5:42	5:39
28	11.9	5:42	5:38
29	11.9	5:42	5:38
30	11.9	5:41	5:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 6.62 kWh/m² in April across the year — September's 5.01 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)	5.3	5.2	5.2	5.2	5.2	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0
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	5.3	Bright
2	5.2	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.1	Bright
7	5.1	Bright
8	5.1	Bright
9	5.1	Bright
10	5.0	Bright
11	5.0	Bright
12	5.0	Bright
13	5.0	Bright
14	5.0	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.0	Bright
19	5.0	Bright
20	5.0	Bright
21	5.0	Bright
22	5.0	Bright
23	5.0	Bright
24	5.0	Bright
25	5.0	Bright
26	5.0	Bright
27	5.0	Bright
28	5.0	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Hazard calendar for Asia

In seasonPeak

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

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

Asia's rainy season runs May–October, 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 Asia?

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

3.4

Sightseeing

9th-best month of the year

3.7

Beach & pool

11th-best month of the year

September is a weaker month for outdoor sightseeing in Asia.

What to pack for Asia in September

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

In September, Asia sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Asia 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 18 km away) is warmest in May at about 30°C and coldest in February near 27°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)	27	27	28	29	30	30	29	29	29	29	29	28
Comfort	Warm	Warm	Warm	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical	Tropical

	Sea temperature (°C)	Comfort
Jan	27	Warm
Feb	27	Warm
Mar	28	Warm
Apr	29	Tropical
May	30	Tropical
Jun	30	Tropical
Jul	29	Tropical
Aug	29	Tropical
Sep	29	Tropical
Oct	29	Tropical
Nov	29	Tropical
Dec	28	Tropical

UV index in Asia 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 Asia peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 9 (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	12	12	12	13	13	11	9	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	13	Extreme
Mar	14	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	10	Very high

Location & terrain

Where is Asia?

Asia sits at 9.6°N, 122.5°E, 13 m above sea level, in Philippines. The nearest listed city is Sipalay, 26 km away.

Topography around Asia

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

Within 3 km, the terrain around Asia has significant variations in elevation — a maximum elevation change of 407 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 535 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,814 m.

The land around Asia is covered by trees (51%) and water (33%) within 3 km, water (47%) and trees (44%) within 16 km, and water (53%) and trees (40%) within 80 km.

3 km

407 m

trees 51%

16 km

535 m

water 47%

80 km

1,814 m

water 53%

treesgrasslandcroplandwatermangroves

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

September weather nearby: Sipalay 26 km · Bayawan 38 km · Santa Catalina 45 km · Kabankalan 58 km · Suay 66 km · Bais 67 km · Tanjay 70 km · Himamaylan 72 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 Asia (9.5506°, 122.5164°, elevation 13 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	28	25
2	28	25
3	28	25
4	28	25
5	28	25
6	28	25
7	28	25
8	28	25
9	28	25
10	28	25
11	28	25
12	28	25
13	28	25
14	28	25
15	28	25
16	28	25
17	28	25
18	28	25
19	28	25
20	28	25
21	28	25
22	28	25
23	28	25
24	28	25
25	28	25
26	28	25
27	28	25
28	28	25
29	28	25
30	28	25

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	9	91
12	9	91
13	9	91
14	9	91
15	9	91
16	10	90
17	10	90
18	10	90
19	10	90
20	10	90
21	11	89
22	11	89
23	11	89
24	11	89
25	11	89
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89

	Rain chance (%)
1	92
2	92
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	93
26	93
27	93
28	94
29	94
30	94

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

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

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	9	91
12	9	91
13	9	91
14	9	91
15	9	91
16	10	90
17	10	90
18	10	90
19	10	90
20	10	90
21	11	89
22	11	89
23	11	89
24	11	89
25	11	89
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89

	Rain chance (%)
1	92
2	92
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	93
26	93
27	93
28	94
29	94
30	94

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

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

	Clearer (%)	Cloudier (%)
1	11	89
2	11	89
3	11	89
4	10	90
5	10	90
6	10	90
7	10	90
8	10	90
9	10	90
10	10	90
11	9	91
12	9	91
13	9	91
14	9	91
15	9	91
16	10	90
17	10	90
18	10	90
19	10	90
20	10	90
21	11	89
22	11	89
23	11	89
24	11	89
25	11	89
26	11	89
27	11	89
28	11	89
29	11	89
30	11	89

	Rain chance (%)
1	92
2	92
3	93
4	93
5	93
6	94
7	94
8	94
9	94
10	94
11	94
12	94
13	94
14	94
15	94
16	93
17	93
18	93
19	93
20	93
21	93
22	93
23	93
24	93
25	93
26	93
27	93
28	94
29	94
30	94

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