Gampola weather in September

In September, Gampola sees average daytime highs of 27°C and overnight lows near 21°C, with 136 mm of rain across 22.5 wet days and about 12 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 5% 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 Gampola's 6th-clearest and 4th-windiest month. For the whole year in context, see Gampola's year-round climate.

Daytime high: 27°; 8th warmest
Overnight low: 21°; 7th coldest
Rainfall: 136 mm; 22.5 wet days
Daylight: 12 hours; 6:01 AM – 6:03 PM
Cloud cover: 79%; 6th clearest
Wind: 9 km/h; 4th windiest
Solar energy: 5.16 kWh/m²
Travel score: 4.3; out of 10

Gampola is city in Central Province, Sri Lanka.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Gampola year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical September day in Gampola reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	27	21
27	27	21
28	27	21
29	27	21
30	27	21

How September really feels in Gampola

Once humidity and wind are folded in, September averages 0 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gampola weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 20°	82	9	11.6	6.5
Feb	29° / 20°	84	8.2	11.8	5.8
Mar	30° / 21°	118	12	12	4.7
Apr	30° / 21°	259	21.8	12.2	3.7
May	28° / 22°	158	25.5	12.3	3.7
Jun	27° / 22°	131	25.1	12.4	3.9
Jul	27° / 22°	137	25.2	12.4	4.1
Aug	27° / 22°	122	25.1	12.2	4.1
Sep	27° / 21°	136	22.5	12	4.3
Oct	27° / 21°	360	25.4	11.8	4.0
Nov	27° / 21°	372	22.5	11.7	4.3
Dec	27° / 20°	209	16.7	11.6	5.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 82%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	13	14	14	15	15	15	16	17	18	18	19	20	20	21	21	21	21	21	21	20	20	19	19	19	20	19	19	18	19	19
Cloudier (%)	87	86	86	85	85	85	84	83	82	82	81	80	80	79	79	79	79	79	79	80	80	81	81	81	80	81	81	82	81	81

	Clearer (%)	Cloudier (%)
1	13	87
2	14	86
3	14	86
4	15	85
5	15	85
6	15	85
7	16	84
8	17	83
9	18	82
10	18	82
11	19	81
12	20	80
13	20	80
14	21	79
15	21	79
16	21	79
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	19	81
23	19	81
24	19	81
25	20	80
26	19	81
27	19	81
28	18	82
29	19	81
30	19	81

Chance of precipitation in September

Any precipitation

Gampola gets around 136 mm of rain over 22.5 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 76% and peaks near 78% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	77	77	76	75	75	74	74	73	73	73	73	73	74	74	74	75	75	75	76	76	76	77	77	77	78	78	78	78	78	78

	Rain chance (%)
1	77
2	77
3	76
4	75
5	75
6	74
7	74
8	73
9	73
10	73
11	73
12	73
13	74
14	74
15	74
16	75
17	75
18	75
19	76
20	76
21	76
22	77
23	77
24	77
25	78
26	78
27	78
28	78
29	78
30	78

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1
Muggy (%)	60	60	60	60	59	59	59	58	58	57	57	57	56	56	56	55	55	55	56	56	56	56	56	56	56	56	56	56	55	54
Oppressive (%)	40	40	40	40	41	41	41	42	42	43	43	43	44	44	44	45	45	45	44	44	44	44	44	44	44	44	44	44	45	45

	Humid (%)	Muggy (%)	Oppressive (%)
1	0	60	40
2	0	60	40
3	0	60	40
4	0	60	40
5	0	59	41
6	0	59	41
7	0	59	41
8	0	58	42
9	0	58	42
10	0	57	43
11	0	57	43
12	0	57	43
13	0	56	44
14	0	56	44
15	0	56	44
16	0	55	45
17	0	55	45
18	0	55	45
19	0	56	44
20	0	56	44
21	0	56	44
22	0	56	44
23	0	56	44
24	0	56	44
25	0	56	44
26	0	56	44
27	0	56	44
28	0	56	44
29	0	55	45
30	1	54	45

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm

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 6:12 PM to 5:55 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	11.9
Sunrise (AM)	6:03	6:03	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:02	6:02	6:02	6:01	6:01	6:01	6:01	6:01	6:01	6:00	6:00	6:00	6:00	6:00	6:00	5:59	5:59	5:59	5:59	5:59	5:59
Sunset (PM)	6:12	6:11	6:11	6:10	6:09	6:09	6:08	6:08	6:07	6:07	6:06	6:06	6:05	6:04	6:04	6:03	6:03	6:02	6:01	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:56	5:56	5:55

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:03	6:12
2	12.1	6:03	6:11
3	12.1	6:03	6:11
4	12.1	6:03	6:10
5	12.1	6:03	6:09
6	12.1	6:03	6:09
7	12.1	6:02	6:08
8	12.1	6:02	6:08
9	12.1	6:02	6:07
10	12.1	6:02	6:07
11	12.1	6:02	6:06
12	12.1	6:02	6:06
13	12.1	6:01	6:05
14	12.1	6:01	6:04
15	12.0	6:01	6:04
16	12.0	6:01	6:03
17	12.0	6:01	6:03
18	12.0	6:01	6:02
19	12.0	6:00	6:01
20	12.0	6:00	6:01
21	12.0	6:00	6:00
22	12.0	6:00	6:00
23	12.0	6:00	5:59
24	12.0	6:00	5:59
25	12.0	5:59	5:58
26	12.0	5:59	5:58
27	12.0	5:59	5:57
28	12.0	5:59	5:56
29	12.0	5:59	5:56
30	11.9	5:59	5:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.16 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.23 kWh/m² in March across the year — September's 5.16 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.1	5.1	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.2	Bright
9	5.2	Bright
10	5.2	Bright
11	5.2	Bright
12	5.2	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.2	Bright
19	5.2	Bright
20	5.2	Bright
21	5.1	Bright
22	5.1	Bright
23	5.1	Bright
24	5.1	Bright
25	5.1	Bright
26	5.1	Bright
27	5.0	Bright
28	5.0	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Is September a good time to visit Gampola?

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

4.3

Sightseeing

5th-best month of the year

4.4

Beach & pool

7th-best month of the year

September is a reasonable time to visit Gampola for sightseeing.

What to pack for Gampola in September

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

In September, Gampola sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Gampola 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 Gampola peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	13	12	14	13	11	12	13	13	12	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	11	Extreme
Feb	13	Extreme
Mar	12	Extreme
Apr	14	Extreme
May	13	Extreme
Jun	11	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	10	Extreme

Air quality in Gampola 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 Gampola 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	45	41	57	59	42	27	25	26	30	49	60	52
Level	Poor	Poor	Unhealthy	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Poor	Unhealthy	Poor

	PM2.5 (µg/m³)	Level
Jan	45	Poor
Feb	41	Poor
Mar	57	Unhealthy
Apr	59	Unhealthy
May	42	Poor
Jun	27	Moderate
Jul	25	Moderate
Aug	26	Moderate
Sep	30	Moderate
Oct	49	Poor
Nov	60	Unhealthy
Dec	52	Poor

Location & terrain

Where is Gampola?

Gampola sits at 7.2°N, 80.6°E, 492 m above sea level, in Sri Lanka. The nearest listed city is Kandy, 16 km away.

Topography around Gampola

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

Within 3 km, the terrain around Gampola has significant variations in elevation — a maximum elevation change of 586 m around an average of 576 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,628 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,505 m.

The land around Gampola is covered by trees (90%) within 3 km, trees (92%) within 16 km, and trees (89%) within 80 km.

3 km

586 m

trees 90%

16 km

1,628 m

trees 92%

80 km

2,505 m

trees 89%

treesgrasslandcroplandartificial surfaceswater

← August Gampola year-round climate October →Best places to visit in September

September weather nearby: Kandy 16 km · Kegalle 27 km · Hatton 30 km · Nuwara Eliya 32 km · Matale 34 km · Kurunegala 42 km · Ratnapura 56 km · Badulla 58 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

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 Gampola (7.1643°, 80.5696°, elevation 492 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).

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	27	21
27	27	21
28	27	21
29	27	21
30	27	21

	Clearer (%)	Cloudier (%)
1	13	87
2	14	86
3	14	86
4	15	85
5	15	85
6	15	85
7	16	84
8	17	83
9	18	82
10	18	82
11	19	81
12	20	80
13	20	80
14	21	79
15	21	79
16	21	79
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	19	81
23	19	81
24	19	81
25	20	80
26	19	81
27	19	81
28	18	82
29	19	81
30	19	81

	Rain chance (%)
1	77
2	77
3	76
4	75
5	75
6	74
7	74
8	73
9	73
10	73
11	73
12	73
13	74
14	74
15	74
16	75
17	75
18	75
19	76
20	76
21	76
22	77
23	77
24	77
25	78
26	78
27	78
28	78
29	78
30	78

	Humid (%)	Muggy (%)	Oppressive (%)
1	0	60	40
2	0	60	40
3	0	60	40
4	0	60	40
5	0	59	41
6	0	59	41
7	0	59	41
8	0	58	42
9	0	58	42
10	0	57	43
11	0	57	43
12	0	57	43
13	0	56	44
14	0	56	44
15	0	56	44
16	0	55	45
17	0	55	45
18	0	55	45
19	0	56	44
20	0	56	44
21	0	56	44
22	0	56	44
23	0	56	44
24	0	56	44
25	0	56	44
26	0	56	44
27	0	56	44
28	0	56	44
29	0	55	45
30	1	54	45

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	27	21
27	27	21
28	27	21
29	27	21
30	27	21

	Clearer (%)	Cloudier (%)
1	13	87
2	14	86
3	14	86
4	15	85
5	15	85
6	15	85
7	16	84
8	17	83
9	18	82
10	18	82
11	19	81
12	20	80
13	20	80
14	21	79
15	21	79
16	21	79
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	19	81
23	19	81
24	19	81
25	20	80
26	19	81
27	19	81
28	18	82
29	19	81
30	19	81

	Rain chance (%)
1	77
2	77
3	76
4	75
5	75
6	74
7	74
8	73
9	73
10	73
11	73
12	73
13	74
14	74
15	74
16	75
17	75
18	75
19	76
20	76
21	76
22	77
23	77
24	77
25	78
26	78
27	78
28	78
29	78
30	78

	Humid (%)	Muggy (%)	Oppressive (%)
1	0	60	40
2	0	60	40
3	0	60	40
4	0	60	40
5	0	59	41
6	0	59	41
7	0	59	41
8	0	58	42
9	0	58	42
10	0	57	43
11	0	57	43
12	0	57	43
13	0	56	44
14	0	56	44
15	0	56	44
16	0	55	45
17	0	55	45
18	0	55	45
19	0	56	44
20	0	56	44
21	0	56	44
22	0	56	44
23	0	56	44
24	0	56	44
25	0	56	44
26	0	56	44
27	0	56	44
28	0	56	44
29	0	55	45
30	1	54	45

	Avg high (°C)	Avg low (°C)
1	27	21
2	27	21
3	27	21
4	27	21
5	27	21
6	27	21
7	27	21
8	27	21
9	27	21
10	27	21
11	27	21
12	27	21
13	27	21
14	27	21
15	27	21
16	27	21
17	27	21
18	27	21
19	27	21
20	27	21
21	27	21
22	27	21
23	27	21
24	27	21
25	27	21
26	27	21
27	27	21
28	27	21
29	27	21
30	27	21

	Clearer (%)	Cloudier (%)
1	13	87
2	14	86
3	14	86
4	15	85
5	15	85
6	15	85
7	16	84
8	17	83
9	18	82
10	18	82
11	19	81
12	20	80
13	20	80
14	21	79
15	21	79
16	21	79
17	21	79
18	21	79
19	21	79
20	20	80
21	20	80
22	19	81
23	19	81
24	19	81
25	20	80
26	19	81
27	19	81
28	18	82
29	19	81
30	19	81

	Rain chance (%)
1	77
2	77
3	76
4	75
5	75
6	74
7	74
8	73
9	73
10	73
11	73
12	73
13	74
14	74
15	74
16	75
17	75
18	75
19	76
20	76
21	76
22	77
23	77
24	77
25	78
26	78
27	78
28	78
29	78
30	78

	Humid (%)	Muggy (%)	Oppressive (%)
1	0	60	40
2	0	60	40
3	0	60	40
4	0	60	40
5	0	59	41
6	0	59	41
7	0	59	41
8	0	58	42
9	0	58	42
10	0	57	43
11	0	57	43
12	0	57	43
13	0	56	44
14	0	56	44
15	0	56	44
16	0	55	45
17	0	55	45
18	0	55	45
19	0	56	44
20	0	56	44
21	0	56	44
22	0	56	44
23	0	56	44
24	0	56	44
25	0	56	44
26	0	56	44
27	0	56	44
28	0	56	44
29	0	55	45
30	1	54	45