Eravur Town weather in September

In September, Eravur Town sees average daytime highs of 34°C and overnight lows near 26°C, with 103 mm of rain across 14.7 wet days and about 12 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 11% 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 Eravur Town's 6th-clearest and 7th-windiest month. For the whole year in context, see Eravur Town's year-round climate.

Daytime high
34°
5th warmest
Overnight low
26°
8th coldest
Rainfall
103 mm
14.7 wet days
Daylight
12 hours
5:57 AM – 5:59 PM
Cloud cover
73%
6th clearest
Wind
8 km/h
7th windiest
Solar energy
6.03 kWh/m²
Travel score
2.5
out of 10

Eravur Town is town in Sri Lanka.

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 34°C through the month.

A typical September day in Eravur Town reaches about 34°C in the afternoon and slips back to 26°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13526
23526
33526
43526
53526
63526
73526
83526
93526
103526
113526
123426
133426
143426
153426
163426
173426
183426
193426
203426
213425
223425
233425
243425
253425
263425
273425
283325
293325
303325

How September really feels in Eravur Town

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
13 feel dangerously hot (≥ 39°C)
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.

Eravur Town weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°16717.411.65.1
Feb29° / 23°9312.711.75.0
Mar31° / 23°549.811.94.7
Apr33° / 25°7313.512.23.3
May34° / 26°8212.712.32.6
Jun35° / 27°387.212.42.4
Jul35° / 26°40712.42.4
Aug35° / 26°6010.212.32.3
Sep34° / 26°10314.7122.5
Oct32° / 25°20620.611.82.9
Nov29° / 24°28624.911.63.4
Dec28° / 23°28822.311.64.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22674
32674
42773
52773
62773
72872
82872
93070
103169
113169
123169
133268
143268
153268
163268
173268
183169
193169
203070
213070
223070
232971
242971
252971
262971
272971
282971
292971
302971

Chance of precipitation in September

Any precipitation

Eravur Town gets around 103 mm of rain over 14.7 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 48% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
142
243
343
443
544
644
744
844
944
1043
1143
1243
1344
1444
1545
1645
1746
1848
1949
2050
2151
2252
2354
2455
2555
2656
2757
2857
2957
3057

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11345213
21335313
31325314
41325314
51315315
61305415
71305316
81295416
91285516
101285516
111285615
121275715
131275715
141265815
151255915
160246115
170246016
180236116
190226117
200216118
210216019
220206020
230205921
240195922
250195922
260185923
270185824
280185824
290175825
300175825

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 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
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:59 AM to 5:55 AM, and sunset from 6:08 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:596:08
212.15:596:07
312.15:596:07
412.15:586:06
512.15:586:06
612.15:586:05
712.15:586:04
812.15:586:04
912.15:586:03
1012.15:586:03
1112.15:576:02
1212.15:576:02
1312.15:576:01
1412.15:576:00
1512.05:576:00
1612.05:575:59
1712.05:565:59
1812.05:565:58
1912.05:565:57
2012.05:565:57
2112.05:565:56
2212.05:565:56
2312.05:565:55
2412.05:555:54
2512.05:555:54
2612.05:555:53
2712.05:555:53
2812.05:555:52
2911.95:555:52
3011.95:555:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.03 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.4 kWh/m² in March across the year — September's 6.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Bright
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Eravur Town

In seasonPeak

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

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

Eravur Town's monsoon runs October–January, when most of the year's rain falls.

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

Is September a good time to visit Eravur Town?

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

2.5
Sightseeing
9th-best month of the year
5.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Eravur Town.

What to pack for Eravur Town in September

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

In September, Eravur Town sees daytime highs around 34°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Eravur Town 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 30°C and coldest in January 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
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Eravur Town 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 Eravur Town peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 16UV 14Dec 20UV 10
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Eravur Town 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 Eravur Town is worst in May — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2125 µg/m³Dec 2118 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar20Moderate
Apr19Moderate
May25Moderate
Jun23Moderate
Jul23Moderate
Aug23Moderate
Sep22Moderate
Oct22Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Eravur Town?

Eravur Town sits at 7.8°N, 81.6°E, 10 m above sea level, in Sri Lanka. The nearest listed city is Batticaloa, 12 km away.

VakaraiKalmunaiAmparaPolonnaruwaSigiriyaTrincomaleePottuvil

Topography around Eravur Town

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

Within 3 km, the terrain around Eravur Town has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, large variations in elevation — a maximum elevation change of 844 m.

The land around Eravur Town is covered by grassland (32%) and trees (20%) within 3 km, water (40%), grassland (24%) and cropland (22%) within 16 km, and trees (37%) and water (37%) within 80 km.

3 km
12 m
16 km
75 m
80 km
844 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Batticaloa 12 km · Vakarai 44 km · Kalmunai 48 km · Ampara 54 km · Polonnaruwa 69 km · Sigiriya 96 km · Trincomalee 98 km · Pottuvil 103 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 Eravur Town (7.7782°, 81.6038°, elevation 10 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).