Kurunegala weather in September

In September, Kurunegala sees average daytime highs of 30°C and overnight lows near 24°C, with 159 mm of rain across 24.8 wet days and about 12 hours of daylight. It is the 8th-warmest and 6th-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 4% 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 11 h 54 min by month's end. Set against the rest of the year, September is Kurunegala's 7th-clearest and 4th-windiest month. For the whole year in context, see Kurunegala's year-round climate.

Daytime high
30°
8th warmest
Overnight low
24°
7th coldest
Rainfall
159 mm
24.8 wet days
Daylight
12 hours
6:02 AM – 6:04 PM
Cloud cover
79%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
5.02 kWh/m²
Travel score
3.2
out of 10

Kurunegala is human settlement.

Density
2,597/km²
people per km²

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 30°C through the month.

A typical September day in Kurunegala reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024

How September really feels in Kurunegala

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.

Kurunegala weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°506.111.65.1
Feb33° / 23°455.811.84.1
Mar34° / 24°701111.92.9
Apr33° / 24°17421.812.22.5
May31° / 25°17427.212.32.7
Jun30° / 25°16727.312.42.9
Jul29° / 24°14726.512.43.2
Aug29° / 24°14126.412.23.2
Sep30° / 24°15924.8123.2
Oct30° / 23°3192711.83.0
Nov30° / 23°27221.611.73.5
Dec30° / 23°14314.311.64.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51684
61684
71783
81783
91882
101882
111882
121981
132080
142080
152080
162179
172179
182179
192080
202080
212080
222080
231981
241981
251981
261981
271981
282080
291981
301981

Chance of precipitation in September

Any precipitation

Kurunegala gets around 159 mm of rain over 24.8 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.

0%20%40%60%80%100%151015202530
Rain chance (%)
182
282
381
481
581
681
781
881
981
1081
1181
1281
1382
1482
1582
1683
1783
1883
1984
2084
2184
2285
2385
2485
2585
2685
2785
2885
2985
3085

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1946
2946
3946
4946
5937
6937
7937
8937
9937
10937
11928
12928
13928
14928
15928
16928
17928
18928
19928
20937
21937
22937
23937
24937
25946
26946
27946
28946
29937
30937

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2912calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 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 12 minutes over September. Sunrise moves from 6:04 AM to 6:00 AM, and sunset from 6:13 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:046:13
212.16:046:12
312.16:046:11
412.16:036:11
512.16:036:10
612.16:036:10
712.16:036:09
812.16:036:09
912.16:036:08
1012.16:036:08
1112.16:026:07
1212.16:026:06
1312.16:026:06
1412.16:026:05
1512.06:026:05
1612.06:026:04
1712.06:016:03
1812.06:016:03
1912.06:016:02
2012.06:016:02
2112.06:016:01
2212.06:016:01
2312.06:016:00
2412.06:005:59
2512.06:005:59
2612.06:005:58
2712.06:005:58
2812.06:005:57
2911.96:005:57
3011.96:005:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.02 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.31 kWh/m² in March across the year — September's 5.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Kurunegala

In seasonPeak

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

Kurunegala sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is September a good time to visit Kurunegala?

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

3.2
Sightseeing
5th-best month of the year
4.3
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Kurunegala.

What to pack for Kurunegala in September

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

In September, Kurunegala sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Kurunegala 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 56 km away) is warmest in April at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec28Tropical

UV index in Kurunegala 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 Kurunegala peaks around April 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 18UV 14Dec 18UV 10
UV index (midday)Level
Jan10Extreme
Feb13Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Kurunegala 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 Kurunegala is worst in November — around 60 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (July, 25 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorUnhealthyPoorNov 1759 µg/m³Jul 2025 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb41Poor
Mar57Unhealthy
Apr59Unhealthy
May42Poor
Jun27Moderate
Jul25Moderate
Aug26Moderate
Sep30Moderate
Oct49Poor
Nov60Unhealthy
Dec52Poor
Location & terrain

Where is Kurunegala?

Kurunegala sits at 7.5°N, 80.4°E, 146 m above sea level, in Sri Lanka. The nearest listed city is Kegalle, 26 km away.

KegalleMataleKandyGampolaDambullaKatunayakaChilawNegombo

Topography around Kurunegala

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

Within 3 km, the terrain around Kurunegala has only modest variations in elevation — a maximum elevation change of 211 m around an average of 134 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 749 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,500 m.

The land around Kurunegala is covered by trees (68%) within 3 km, trees (84%) within 16 km, and trees (80%) within 80 km.

3 km
211 m
16 km
749 m
80 km
2,500 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kegalle 26 km · Matale 28 km · Kandy 36 km · Gampola 42 km · Dambulla 52 km · Katunayaka 63 km · Chilaw 64 km · Negombo 66 km

Sri Lanka travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$5,002
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
47%
of population, 2024
Homicide rate
3.3
per 100k, 2019
Road deaths
19.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 486
Religion
Buddhist 70%Hindu 13%Muslim 10%Roman Catholic 6%

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 Kurunegala (7.4839°, 80.3683°, elevation 146 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. 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).