Darjeeling weather in September

In September, Darjeeling sees average daytime highs of 25°C and overnight lows near 19°C, with 416 mm of rain across 27.4 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 4th-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 8% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Darjeeling's 9th-clearest and 11th-windiest month. For the whole year in context, see Darjeeling's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
416 mm
27.4 wet days
Daylight
12 h 12 min
5:27 AM – 5:36 PM
Cloud cover
79%
9th clearest
Wind
3 km/h
11th windiest
Solar energy
3.7 kWh/m²
Travel score
3.9
out of 10

Darjeeling is City in West Bengal, India.

Air quality
Elevated
PM2.5 24 µg/m³ · 2019
Density
11,712/km²
people per km²

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 25°C through the month.

A typical September day in Darjeeling 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 about 1°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62520
72520
82520
92520
102520
112520
122520
132520
142519
152519
162519
172519
182519
192519
202519
212519
222519
232519
242519
252519
262518
272518
282518
292518
302518

Darjeeling weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 347.310.55.8
Feb18° / 7112.5115.6
Mar22° / 11°13718.911.85.5
Apr24° / 14°22122.812.64.9
May25° / 17°3772913.33.9
Jun26° / 20°61729.413.73.5
Jul25° / 21°86430.613.53.4
Aug26° / 21°54829.7133.5
Sep25° / 19°41627.412.23.9
Oct24° / 15°16419.111.45.7
Nov21° / 11°357.710.77.2
Dec18° / 17410.37.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
21090
31090
41090
51189
61189
71387
81387
91486
101486
111684
121684
131783
141783
151882
161981
171981
182080
192080
202179
212278
222476
232674
242674
252971
263070
273268
283466
293664
303862

Chance of precipitation in September

Any precipitation

Darjeeling gets around 416 mm of rain over 27.4 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 91% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
293
393
493
593
693
793
893
992
1092
1192
1292
1391
1491
1591
1691
1791
1891
1991
2091
2191
2290
2390
2489
2589
2688
2787
2886
2985
3084

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1017425
2017524
3017623
4017821
5017920
6028018
7028117
8028315
9038314
10038512
11048511
12048610
1305869
1405878
1506877
1606886
1707885
1808875
1908884
2009874
21011863
22112843
23113833
24115822
25117802
26118792
27121762
28123742
29125722
30228691

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 5:20 AM to 5:33 AM, and sunset from 5:53 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:205:53
212.55:205:52
312.55:215:51
412.55:215:50
512.55:225:49
612.45:225:48
712.45:235:47
812.45:235:45
912.35:235:44
1012.35:245:43
1112.35:245:42
1212.35:255:41
1312.25:255:40
1412.25:265:38
1512.25:265:37
1612.25:275:36
1712.15:275:35
1812.15:275:34
1912.15:285:32
2012.05:285:31
2112.05:295:30
2212.05:295:29
2312.05:305:28
2411.95:305:26
2511.95:315:25
2611.95:315:24
2711.95:325:23
2811.85:325:22
2911.85:335:21
3011.85:335:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.7 kWh/m².

For context, solar energy here swings from a low near 3.18 kWh/m² to a high of 5.58 kWh/m² in April across the year — September's 3.7 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
304.0Moderate
Planning a trip in September

Hazard calendar for Darjeeling

In seasonPeak

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

Darjeeling's monsoon runs June–September, when most of the year's rain falls.

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

Is September a good time to visit Darjeeling?

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

3.9
Sightseeing
8th-best month of the year
3.6
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Darjeeling.

What to pack for Darjeeling in September

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

In September, Darjeeling sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 27 days see rain.

rain gearlight clothes

UV index in Darjeeling in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Darjeeling peaks around July 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeModerateJul 14UV 13Jan 12UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar8Very high
Apr8Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug11Extreme
Sep11Extreme
Oct7High
Nov4Moderate
Dec5Moderate

Air quality in Darjeeling 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 Darjeeling is worst in January — around 39 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (July, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Darjeeling's WHO annual average of 24 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateJan 2138 µg/m³Jul 1810 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb38Poor
Mar31Moderate
Apr25Moderate
May19Moderate
Jun13Moderate
Jul10Good
Aug12Moderate
Sep15Moderate
Oct22Moderate
Nov29Moderate
Dec35Poor
Location & terrain

Where is Darjeeling?

Darjeeling sits at 27.0°N, 88.3°E, 2,127 m above sea level, in India. The nearest listed city is Ilām, 36 km away.

Topography around Darjeeling

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

Within 3 km, the terrain around Darjeeling has very significant variations in elevation — a maximum elevation change of 1,468 m around an average of 1,773 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,493 m; within 80 km, extreme variations in elevation — a maximum elevation change of 8,404 m.

The land around Darjeeling is covered by trees (90%) within 3 km, trees (96%) within 16 km, and trees (70%) within 80 km.

3 km
1,468 m
16 km
2,493 m
80 km
8,404 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
September weather nearby: Ilām 36 km · Bhadrapur 57 km · Dhankutā 93 km · Dharān 101 km · Īṭahari̇̄ 107 km · Khā̃dbāri̇̄ 111 km · Phuentsholing 113 km · Biratnagar 118 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
Hindu 80%Muslim 14%Christian 2%other and unspecified 2%

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 Darjeeling (27.0333°, 88.2667°, elevation 2,127 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).