Wattala in Fall

In fall (September, October and November), Wattala sees average daytime highs around 30°C and overnight lows near 24°C, with 943 mm of rain over about 80 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 4% of the time across fall, and the air most often feels miserable.

Fall is Wattala's 2nd-best season to visit on our travel score. For the whole year in context, see Wattala's year-round climate.

Avg daytime high
30°C
3rd-warmest season
Avg overnight low
24°C
Rainfall
943 mm
80 wet days
Avg wind
8 km/h
Travel score
3.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Wattala in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 30°C.

A typical fall day in Wattala reaches about 30°C and drops to 24°C overnight. The warmest of the three months is November, the coolest November.

20°25°30°35°SepOctNov

How fall really feels in Wattala

Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Wattala weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°668.411.64.4
Feb33° / 24°658.611.83.8
Mar33° / 25°9414.8123.1
Apr32° / 25°19225.412.12.5
May31° / 26°26429.412.32.5
Jun30° / 25°27928.712.42.7
Jul29° / 25°24529.212.42.9
Aug29° / 25°21929.112.22.9
Sep29° / 25°24727.8122.9
Oct30° / 24°35928.211.82.9
Nov30° / 24°33723.911.73.2
Dec30° / 23°17816.111.64.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Wattala gets around 943 mm of rain over 80 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 8 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 06 min in early September to 11 h 36 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.6 kWh/m².

024SepOctNov
Planning a trip in fall

Hazard calendar for Wattala

In seasonPeak

In fall, Wattala overlaps its cyclone season. The full year is below, with each hazard's peak months called out.

Wattala 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 fall a good time to visit Wattala?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.0
Sightseeing
2nd-best month of the year
4.1
Beach & pool
3rd-best month of the year

fall is a weaker month for outdoor sightseeing in Wattala.

What to pack for Wattala in Fall

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

In fall, Wattala sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 80 days see rain.

light clothesrain gearsun protection

Sea temperature near Wattala in Fall

The nearest coast averages about 28°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 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 Wattala in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages 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 Wattala peaks around September 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highSep 10UV 13Dec 15UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Wattala in Fall

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Wattala is worst in January — around 84 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 29 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1483 µg/m³Jul 2129 µg/m³
PM2.5 (µg/m³)Level
Jan84Unhealthy
Feb78Unhealthy
Mar73Unhealthy
Apr62Unhealthy
May44Poor
Jun31Moderate
Jul29Moderate
Aug30Moderate
Sep35Poor
Oct52Poor
Nov74Unhealthy
Dec81Unhealthy
Location & terrain

Where is Wattala?

Wattala sits at 7.0°N, 79.9°E, 6 m above sea level, in Sri Lanka. The nearest listed city is Hendala, 1.0 km away.

Topography around Wattala

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

Within 3 km, the terrain around Wattala has only modest variations in elevation — a maximum elevation change of 29 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 134 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,060 m.

The land around Wattala is covered by artificial surfaces (56%) and trees (29%) within 3 km, trees (38%), water (35%) and artificial surfaces (21%) within 16 km, and trees (61%) and water (35%) within 80 km.

3 km
29 m
16 km
134 m
80 km
2,060 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Hendala 1.0 km · Peliyagoda 2.0 km · Welisara 4.0 km · Kelaniya 5.0 km · Kolonnawa 6.0 km · Kandana 7.0 km · Kotikawatta 7.0 km · Mulleriyawa 8.0 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 Wattala (6.9892°, 79.8917°, 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.