Hatton weather in September

In September, Hatton sees average daytime highs of 26°C and overnight lows near 20°C, with 240 mm of rain across 26 wet days and about 12 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

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 Hatton's 6th-clearest and 4th-windiest month. For the whole year in context, see Hatton's year-round climate.

Daytime high
26°
10th warmest
Overnight low
20°
7th coldest
Rainfall
240 mm
26 wet days
Daylight
12 hours
6:01 AM – 6:03 PM
Cloud cover
83%
6th clearest
Wind
5 km/h
4th windiest
Solar energy
4.99 kWh/m²
Travel score
4.0
out of 10

Hatton is town in Sri Lanka.

Founded
1821

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 26°C through the month.

A typical September day in Hatton reaches about 26°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12520
22520
32620
42620
52620
62620
72620
82620
92620
102620
112620
122620
132620
142620
152620
162620
172620
182620
192620
202620
212620
222620
232620
242620
252620
262620
272620
282620
292620
302620

Hatton weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°23417.911.65.4
Feb27° / 19°24617.811.85.1
Mar28° / 19°29526.1124.0
Apr28° / 20°45628.812.13.5
May27° / 21°29129.412.33.5
Jun26° / 21°25727.612.43.7
Jul25° / 21°25528.512.43.8
Aug25° / 20°22928.412.23.8
Sep26° / 20°24026124.0
Oct26° / 20°49727.211.83.9
Nov26° / 20°58725.511.74.0
Dec26° / 19°42522.311.64.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2991
31090
41090
51090
61189
71288
81288
91288
101288
111288
121387
131387
141387
151387
161387
171387
181387
191288
201189
211189
221189
231189
241189
251189
261189
271189
281288
291387
301387

Chance of precipitation in September

Any precipitation

Hatton gets around 240 mm of rain over 26 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 87% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
387
487
587
686
786
886
986
1086
1186
1286
1386
1487
1587
1687
1787
1887
1987
2088
2188
2288
2388
2488
2587
2687
2787
2887
2987
3087

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
11909
218910
318910
418910
518910
618910
718910
818910
918910
101909
111909
121909
131909
141909
151909
160919
170919
180919
190919
200919
210919
220919
230919
240919
251909
261909
271909
281909
291909
301909

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:03 AM to 5:59 AM, and sunset from 6:11 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:11
212.16:036:11
312.16:036:10
412.16:036:10
512.16:036:09
612.16:036:09
712.16:026:08
812.16:026:08
912.16:026:07
1012.16:026:06
1112.16:026:06
1212.16:026:05
1312.16:016:05
1412.16:016:04
1512.06:016:04
1612.06:016:03
1712.06:016:02
1812.06:006:02
1912.06:006:01
2012.06:006:01
2112.06:006:00
2212.06:006:00
2312.06:005:59
2412.05:595:59
2512.05:595:58
2612.05:595:57
2712.05:595:57
2812.05:595:56
2912.05:595:56
3011.95:595:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.99 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.1 kWh/m² in March across the year — September's 4.99 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Hatton?

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

4.0
Sightseeing
4th-best month of the year
3.7
Beach & pool
7th-best month of the year

September is a reasonable time to visit Hatton for sightseeing.

What to pack for Hatton in September

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

In September, Hatton sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 26 days see rain.

rain gearlight clothessun protection

UV index in Hatton 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 Hatton peaks around April 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 17UV 14Dec 17UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Hatton 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 Hatton 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 Hatton?

Hatton sits at 6.9°N, 80.6°E, 1,271 m above sea level, in Sri Lanka. The nearest listed city is Nuwara Eliya, 22 km away.

GampolaRatnapuraKandyKegalleEllaBadullaHanwella Ihala

Topography around Hatton

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

Within 3 km, the terrain around Hatton has large variations in elevation — a maximum elevation change of 638 m around an average of 1,295 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,997 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,500 m.

The land around Hatton is covered by trees (65%) and grassland (30%) within 3 km, trees (80%) within 16 km, and trees (90%) within 80 km.

3 km
638 m
16 km
1,997 m
80 km
2,500 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Nuwara Eliya 22 km · Gampola 30 km · Ratnapura 31 km · Kandy 45 km · Kegalle 49 km · Ella 50 km · Badulla 52 km · Hanwella Ihala 56 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 Hatton (6.8916°, 80.5955°, elevation 1,271 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. 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).