Munnar weather in September

In September, Munnar sees average daytime highs of 25°C and overnight lows near 19°C, with 237 mm of rain across 25.5 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 4% of the time in September, and the air most often feels muggy.

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 Munnar's 9th-clearest and 4th-windiest month. For the whole year in context, see Munnar's year-round climate.

Daytime high: 25°; 9th warmest
Overnight low: 19°; 6th coldest
Rainfall: 237 mm; 25.5 wet days
Daylight: 12 h 06 min; 6:14 AM – 6:18 PM
Cloud cover: 85%; 9th clearest
Wind: 5 km/h; 4th windiest
Solar energy: 4.46 kWh/m²
Travel score: 4.1; out of 10

Munnar is town in Idukki district, Kerala, India.

Density: 364/km²; people per km²

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

← August Munnar 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 25°C through the month.

A typical September day in Munnar reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Avg low (°C)	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19

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

Munnar weather by month

How September compares with the rest of the year at a glance. September is the 9th-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	28° / 17°	25	4.9	11.5	7.2
Feb	30° / 18°	27	5	11.7	6.0
Mar	31° / 20°	64	10.2	11.9	4.6
Apr	30° / 20°	149	22.8	12.2	3.6
May	27° / 20°	246	28.2	12.5	3.7
Jun	25° / 20°	424	28.7	12.6	3.6
Jul	24° / 20°	410	29.5	12.5	3.6
Aug	24° / 19°	322	28.3	12.3	3.8
Sep	25° / 19°	237	25.5	12.1	4.1
Oct	26° / 19°	326	26.4	11.8	4.1
Nov	26° / 19°	272	22.9	11.5	4.5
Dec	26° / 18°	100	12.6	11.4	6.3

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 9% of September, with mostly cloudy or overcast conditions the remaining 87%.

	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 (%)	8	9	9	10	10	10	11	12	12	12	12	12	12	12	12	12	12	13	14	14	14	15	15	15	16	16	17	17	16	17
Cloudier (%)	92	91	91	90	90	90	89	88	88	88	88	88	88	88	88	88	88	87	86	86	86	85	85	85	84	84	83	83	84	83

	Clearer (%)	Cloudier (%)
1	8	92
2	9	91
3	9	91
4	10	90
5	10	90
6	10	90
7	11	89
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	14	86
22	15	85
23	15	85
24	15	85
25	16	84
26	16	84
27	17	83
28	17	83
29	16	84
30	17	83

Chance of precipitation in September

Any precipitation

Munnar gets around 237 mm of rain over 25.5 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 85% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

	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 (%)	89	89	89	89	89	89	89	89	88	88	88	87	86	86	85	84	84	83	82	82	81	81	81	81	80	80	80	80	81	81

	Rain chance (%)
1	89
2	89
3	89
4	89
5	89
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	86
14	86
15	85
16	84
17	84
18	83
19	82
20	82
21	81
22	81
23	81
24	81
25	80
26	80
27	80
28	80
29	81
30	81

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 98% 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 (%)	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3
Muggy (%)	96	96	96	96	96	96	95	95	95	96	96	96	96	96	96	96	96	95	95	95	95	95	95	95	95	95	95	95	95	95
Oppressive (%)	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	96	3
2	1	96	3
3	1	96	3
4	1	96	3
5	1	96	3
6	1	96	3
7	2	95	3
8	2	95	3
9	2	95	3
10	2	96	2
11	2	96	2
12	2	96	2
13	2	96	2
14	2	96	2
15	2	96	2
16	2	96	2
17	2	96	2
18	3	95	2
19	3	95	2
20	3	95	2
21	3	95	2
22	3	95	2
23	3	95	2
24	3	95	2
25	3	95	2
26	3	95	2
27	3	95	2
28	3	95	2
29	3	95	2
30	3	95	2

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.

	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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

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 6:16 AM to 6:13 AM, and sunset from 6:27 PM to 6:09 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)	12.2	12.2	12.2	12.2	12.2	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	11.9	11.9	11.9	11.9
Sunrise (AM)	6:16	6:16	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:15	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:14	6:13	6:13
Sunset (PM)	6:27	6:27	6:26	6:25	6:25	6:24	6:24	6:23	6:22	6:22	6:21	6:20	6:20	6:19	6:18	6:18	6:17	6:16	6:16	6:15	6:14	6:14	6:13	6:12	6:12	6:11	6:11	6:10	6:09	6:09

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.2	6:16	6:27
2	12.2	6:16	6:27
3	12.2	6:15	6:26
4	12.2	6:15	6:25
5	12.2	6:15	6:25
6	12.1	6:15	6:24
7	12.1	6:15	6:24
8	12.1	6:15	6:23
9	12.1	6:15	6:22
10	12.1	6:15	6:22
11	12.1	6:15	6:21
12	12.1	6:15	6:20
13	12.1	6:15	6:20
14	12.1	6:15	6:19
15	12.1	6:15	6:18
16	12.1	6:14	6:18
17	12.0	6:14	6:17
18	12.0	6:14	6:16
19	12.0	6:14	6:16
20	12.0	6:14	6:15
21	12.0	6:14	6:14
22	12.0	6:14	6:14
23	12.0	6:14	6:13
24	12.0	6:14	6:12
25	12.0	6:14	6:12
26	12.0	6:14	6:11
27	11.9	6:14	6:11
28	11.9	6:14	6:10
29	11.9	6:13	6:09
30	11.9	6:13	6:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.28 kWh/m² in March across the year — September's 4.46 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)	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5
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	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.3	Bright
7	4.3	Bright
8	4.4	Bright
9	4.4	Bright
10	4.4	Bright
11	4.4	Bright
12	4.4	Bright
13	4.4	Bright
14	4.4	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.5	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in September

Hazard calendar for Munnar

In seasonPeak

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

Munnar's rainy season runs May–November, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Munnar?

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

4.1

Sightseeing

6th-best month of the year

3.8

Beach & pool

9th-best month of the year

September is a reasonable time to visit Munnar for sightseeing.

What to pack for Munnar in September

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

In September, Munnar sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 26 days see rain.

rain gearlight clothes

UV index in Munnar 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 Munnar peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 9 (very high).

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)	10	13	13	14	11	12	13	14	13	13	11	9
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	13	Extreme
Mar	13	Extreme
Apr	14	Extreme
May	11	Extreme
Jun	12	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	11	Extreme
Dec	9	Very high

Air quality in Munnar 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 Munnar is worst in January — around 68 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 26 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)	68	61	58	53	47	29	26	28	33	51	62	65
Level	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Poor	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	68	Unhealthy
Feb	61	Unhealthy
Mar	58	Unhealthy
Apr	53	Poor
May	47	Poor
Jun	29	Moderate
Jul	26	Moderate
Aug	28	Moderate
Sep	33	Moderate
Oct	51	Poor
Nov	62	Unhealthy
Dec	65	Unhealthy

Location & terrain

Where is Munnar?

Munnar sits at 10.1°N, 77.1°E, 1,470 m above sea level, in India. The nearest listed city is Kochi, 89 km away.

Topography around Munnar

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

Within 3 km, the terrain around Munnar has large variations in elevation — a maximum elevation change of 627 m around an average of 1,578 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,360 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,648 m.

The land around Munnar is covered by trees (71%) and grassland (25%) within 3 km, trees (82%) within 16 km, and trees (77%) within 80 km.

3 km

627 m

trees 71%

16 km

2,360 m

trees 82%

80 km

2,648 m

trees 77%

treesgrasslandcroplandartificial surfaceswater

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

September weather nearby: Kochi 89 km · Thaikattussery 99 km · Alappuzha 105 km · Madurai 117 km · Irimbiliyam 137 km · Mysore 250 km · Bengaluru 326 km · Jaffna 326 km

India travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / D / M; 230 V · 50 Hz
Prices: ≈ 23% of US; price level, 2025
GDP per capita: $2,702; 2025
Happiness: 4.5 / 10; World Happiness, 2025
Safe drinking water: 76%; of population, 2024
Homicide rate: 2.8; per 100k, 2022
Road deaths: 15.6; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Low; EF EPI 484
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 Munnar (10.0882°, 77.0624°, elevation 1,470 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	25	19
2	25	19
3	25	19
4	25	19
5	25	19
6	25	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	19
12	25	19
13	25	19
14	25	19
15	25	19
16	25	19
17	25	19
18	25	19
19	25	19
20	25	19
21	25	19
22	25	19
23	25	19
24	25	19
25	25	19
26	25	19
27	25	19
28	25	19
29	25	19
30	25	19

	Clearer (%)	Cloudier (%)
1	8	92
2	9	91
3	9	91
4	10	90
5	10	90
6	10	90
7	11	89
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	14	86
22	15	85
23	15	85
24	15	85
25	16	84
26	16	84
27	17	83
28	17	83
29	16	84
30	17	83

	Rain chance (%)
1	89
2	89
3	89
4	89
5	89
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	86
14	86
15	85
16	84
17	84
18	83
19	82
20	82
21	81
22	81
23	81
24	81
25	80
26	80
27	80
28	80
29	81
30	81

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	96	3
2	1	96	3
3	1	96	3
4	1	96	3
5	1	96	3
6	1	96	3
7	2	95	3
8	2	95	3
9	2	95	3
10	2	96	2
11	2	96	2
12	2	96	2
13	2	96	2
14	2	96	2
15	2	96	2
16	2	96	2
17	2	96	2
18	3	95	2
19	3	95	2
20	3	95	2
21	3	95	2
22	3	95	2
23	3	95	2
24	3	95	2
25	3	95	2
26	3	95	2
27	3	95	2
28	3	95	2
29	3	95	2
30	3	95	2

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

	Clearer (%)	Cloudier (%)
1	8	92
2	9	91
3	9	91
4	10	90
5	10	90
6	10	90
7	11	89
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	14	86
22	15	85
23	15	85
24	15	85
25	16	84
26	16	84
27	17	83
28	17	83
29	16	84
30	17	83

	Rain chance (%)
1	89
2	89
3	89
4	89
5	89
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	86
14	86
15	85
16	84
17	84
18	83
19	82
20	82
21	81
22	81
23	81
24	81
25	80
26	80
27	80
28	80
29	81
30	81

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	96	3
2	1	96	3
3	1	96	3
4	1	96	3
5	1	96	3
6	1	96	3
7	2	95	3
8	2	95	3
9	2	95	3
10	2	96	2
11	2	96	2
12	2	96	2
13	2	96	2
14	2	96	2
15	2	96	2
16	2	96	2
17	2	96	2
18	3	95	2
19	3	95	2
20	3	95	2
21	3	95	2
22	3	95	2
23	3	95	2
24	3	95	2
25	3	95	2
26	3	95	2
27	3	95	2
28	3	95	2
29	3	95	2
30	3	95	2

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

	Clearer (%)	Cloudier (%)
1	8	92
2	9	91
3	9	91
4	10	90
5	10	90
6	10	90
7	11	89
8	12	88
9	12	88
10	12	88
11	12	88
12	12	88
13	12	88
14	12	88
15	12	88
16	12	88
17	12	88
18	13	87
19	14	86
20	14	86
21	14	86
22	15	85
23	15	85
24	15	85
25	16	84
26	16	84
27	17	83
28	17	83
29	16	84
30	17	83

	Rain chance (%)
1	89
2	89
3	89
4	89
5	89
6	89
7	89
8	89
9	88
10	88
11	88
12	87
13	86
14	86
15	85
16	84
17	84
18	83
19	82
20	82
21	81
22	81
23	81
24	81
25	80
26	80
27	80
28	80
29	81
30	81

	Humid (%)	Muggy (%)	Oppressive (%)
1	1	96	3
2	1	96	3
3	1	96	3
4	1	96	3
5	1	96	3
6	1	96	3
7	2	95	3
8	2	95	3
9	2	95	3
10	2	96	2
11	2	96	2
12	2	96	2
13	2	96	2
14	2	96	2
15	2	96	2
16	2	96	2
17	2	96	2
18	3	95	2
19	3	95	2
20	3	95	2
21	3	95	2
22	3	95	2
23	3	95	2
24	3	95	2
25	3	95	2
26	3	95	2
27	3	95	2
28	3	95	2
29	3	95	2
30	3	95	2