Glan weather in September

In September, Glan sees average daytime highs of 28°C and overnight lows near 25°C, with 118 mm of rain across 20.4 wet days and about 12 hours of daylight. It is the 10th-warmest and 9th-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 10% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Glan's 6th-clearest and 2nd-windiest month. For the whole year in context, see Glan's year-round climate.

Daytime high
28°
10th warmest
Overnight low
25°
6th coldest
Rainfall
118 mm
20.4 wet days
Daylight
12 hours
5:33 AM – 5:34 PM
Cloud cover
77%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.52 kWh/m²
Travel score
4.5
out of 10

Glan is municipality of the Philippines in the province of Sarangani.

Density
40/km²
people per km²
Founded
1914

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

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 Glan 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.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825

How September really feels in Glan

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.

Glan weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°15417.711.74.7
Feb28° / 25°10013.811.84.9
Mar29° / 25°9615.8124.8
Apr29° / 26°1031612.14.6
May29° / 26°16623.112.33.9
Jun28° / 25°21925.712.33.7
Jul28° / 25°20326.312.33.9
Aug28° / 25°18124.912.24.1
Sep28° / 25°11820.4124.5
Oct28° / 25°1612211.94.1
Nov28° / 26°1622311.73.9
Dec28° / 25°14321.311.74.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52179
62179
72179
82179
92080
102080
112080
122080
132080
142080
152080
162080
172179
182179
192179
202278
212278
222278
232278
242278
252377
262476
272377
282377
292278
302278

Chance of precipitation in September

Any precipitation

Glan gets around 118 mm of rain over 20.4 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 68% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
174
273
373
473
572
672
771
871
970
1070
1169
1269
1368
1468
1568
1667
1767
1866
1966
2066
2166
2265
2365
2465
2565
2665
2765
2865
2966
3066

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
17624
27624
37624
47723
57723
67723
77723
87723
97723
107723
117723
127624
137624
147525
157525
167426
177327
187228
197129
207030
216931
226931
236832
246832
256832
266832
276733
286733
296733
306733

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

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

Days shrink by about 6 minutes over September. Sunrise moves from 5:36 AM to 5:30 AM, and sunset from 5:42 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:365:42
212.15:355:42
312.15:355:41
412.15:355:41
512.15:355:40
612.15:355:40
712.15:345:39
812.15:345:39
912.15:345:38
1012.15:345:38
1112.15:345:37
1212.15:335:37
1312.05:335:36
1412.05:335:36
1512.05:335:35
1612.05:335:34
1712.05:325:34
1812.05:325:33
1912.05:325:33
2012.05:325:32
2112.05:325:32
2212.05:315:31
2312.05:315:31
2412.05:315:30
2512.05:315:30
2612.05:315:29
2712.05:305:29
2812.05:305:28
2912.05:305:28
3012.05:305:27

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 4.81 kWh/m² to a high of 6.01 kWh/m² in April across the year — September's 5.52 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Glan

In seasonPeak

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

Glan 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 Glan?

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

4.5
Sightseeing
5th-best month of the year
4.9
Beach & pool
6th-best month of the year

September is a reasonable time to visit Glan for sightseeing.

What to pack for Glan in September

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

In September, Glan sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Glan 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 May at about 29°C and coldest in January near 29°C.

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

28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Glan 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 Glan peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Dec 13UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme
Location & terrain

Where is Glan?

Glan sits at 5.8°N, 125.2°E, 9 m above sea level, in Philippines. The nearest listed city is Malapatan, 19 km away.

Topography around Glan

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

Within 3 km, the terrain around Glan has significant variations in elevation — a maximum elevation change of 288 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 668 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,255 m.

The land around Glan is covered by trees (65%) and water (27%) within 3 km, water (60%) and trees (37%) within 16 km, and water (51%) and trees (42%) within 80 km.

3 km
288 m
16 km
668 m
80 km
2,255 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Malapatan 19 km · General Santos 32 km · Alabel 32 km · Polomolok 47 km · Maluñgun 51 km · Tupi 63 km · Lake Sebu 70 km · Lambayong 79 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
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Glan (5.8242°, 125.2033°, elevation 9 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).