Pontbuiten weather in September

In September, Pontbuiten sees average daytime highs of 32°C and overnight lows near 24°C, with 66 mm of rain across 12.6 wet days and about 12 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 46% 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 Pontbuiten's 1st-clearest and 9th-windiest month. For the whole year in context, see Pontbuiten's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
66 mm
12.6 wet days
Daylight
12 hours
6:34 AM – 6:36 PM
Cloud cover
45%
1st clearest
Wind
10 km/h
9th windiest
Solar energy
6.45 kWh/m²
Travel score
3.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Pontbuiten reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Pontbuiten

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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Pontbuiten weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°11019.211.74.2
Feb29° / 23°8415.811.84.4
Mar30° / 24°7917124.2
Apr30° / 24°14920.412.13.6
May30° / 24°25827.512.32.9
Jun30° / 24°28528.212.32.7
Jul31° / 23°21426.212.33.0
Aug31° / 24°12919.412.23.5
Sep32° / 24°6612.6123.8
Oct32° / 24°7113.911.93.6
Nov31° / 24°11619.611.73.3
Dec30° / 24°14023.611.73.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27822
37723
47723
57822
67822
77723
87723
97723
107624
117624
127624
137525
147525
157525
167426
177426
187426
197426
207327
217327
227327
237327
247327
257228
267228
277228
287030
297030
306931

Chance of precipitation in September

Any precipitation

Pontbuiten gets around 66 mm of rain over 12.6 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
145
244
344
444
543
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1743
1843
1943
2042
2142
2242
2342
2442
2542
2642
2742
2842
2942
3042

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
107030
207129
307129
417029
517128
617128
717128
817128
917029
1017029
1117029
1216930
1316930
1416930
1516831
1616831
1716831
1816732
1916732
2016732
2116633
2216633
2316633
2416633
2516633
2616732
2716732
2816732
2916831
3016831

Wind in September

Winds average 10 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
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:37 AM to 6:31 AM, and sunset from 6:44 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:376:44
212.16:376:43
312.16:376:43
412.16:376:42
512.16:366:42
612.16:366:41
712.16:366:41
812.16:366:40
912.16:366:40
1012.16:356:39
1112.16:356:39
1212.16:356:38
1312.06:356:38
1412.06:356:37
1512.06:346:37
1612.06:346:36
1712.06:346:36
1812.06:346:35
1912.06:346:34
2012.06:336:34
2112.06:336:33
2212.06:336:33
2312.06:336:32
2412.06:336:32
2512.06:326:31
2612.06:326:31
2712.06:326:30
2812.06:326:30
2912.06:326:29
3012.06:316:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.45 kWh/m² in September across the year — September's 6.45 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Pontbuiten

In seasonPeak

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

Pontbuiten's rainy season runs April–August, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Pontbuiten?

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

3.8
Sightseeing
4th-best month of the year
6.1
Beach & pool
1st-best month of the year

September is a weaker month for outdoor sightseeing in Pontbuiten. The water and warmth also suit a beach or pool day.

What to pack for Pontbuiten in September

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

In September, Pontbuiten sees daytime highs around 32°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near Pontbuiten in September

The nearest coast averages about 28°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 39 km away) is warmest in August at about 28°C and coldest in February 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
Jan26Warm
Feb26Warm
Mar27Warm
Apr27Warm
May27Warm
Jun27Warm
Jul28Warm
Aug28Tropical
Sep28Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Pontbuiten in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pontbuiten peaks around March 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 15Dec 12UV 10
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Pontbuiten in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Pontbuiten is worst in April — around 26 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (August, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1225 µg/m³Aug 209 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb24Moderate
Mar24Moderate
Apr26Moderate
May22Moderate
Jun16Moderate
Jul10Good
Aug9Good
Sep9Good
Oct11Good
Nov13Moderate
Dec19Moderate
Location & terrain

Where is Pontbuiten?

Pontbuiten sits at 5.8°N, 55.2°W, 6 m above sea level, in Suriname. The nearest listed city is Latour, 1.0 km away.

Topography around Pontbuiten

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

Within 3 km, the terrain around Pontbuiten has only modest variations in elevation — a maximum elevation change of 14 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 39 m; within 80 km, significant variations in elevation — a maximum elevation change of 307 m.

The land around Pontbuiten is covered by grassland (49%) and artificial surfaces (40%) within 3 km, trees (37%) and grassland (36%) within 16 km, and trees (61%) and water (27%) within 80 km.

3 km
14 m
16 km
39 m
80 km
307 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Latour 1.0 km · Flora 2.0 km · Beekhuizen 4.0 km · Tammenga 5.0 km · Welgelegen 6.0 km · Munder Buiten 7.0 km · Weg naar Zee 9.0 km · Rainville 9.0 km

Suriname travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
127 / 220 V · 60 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$7,070
2025
Happiness
6.3 / 10
World Happiness, 2015
Safe drinking water
56%
of population, 2024
Homicide rate
6.5
per 100k, 2023
Road deaths
15.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 24%Hindu 22%Roman Catholic 22%Muslim 14%

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 Pontbuiten (5.7881°, -55.209°, elevation 6 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. 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).