Shimla weather in September

In September, Shimla sees average daytime highs of 24°C and overnight lows near 16°C, with 193 mm of rain across 18.7 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Shimla's 6th-clearest and 8th-windiest month. For the whole year in context, see Shimla's year-round climate.

Daytime high
24°
5th warmest
Overnight low
16°
9th coldest
Rainfall
193 mm
18.7 wet days
Daylight
12 h 12 min
6:10 AM – 6:21 PM
Cloud cover
44%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
4.85 kWh/m²
Travel score
5.8
out of 10

Shimla is capital of Himachal Pradesh, India.

Air quality
High
PM2.5 26 µg/m³ · 2019
Density
6,940/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 24°C through the month.

A typical September day in Shimla reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12418
22418
32417
42417
52417
62417
72417
82417
92417
102417
112417
122416
132416
142416
152416
162416
172416
182416
192416
202415
212415
222415
232415
242415
252415
262415
272314
282314
292314
302314

How September really feels in Shimla

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Shimla weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 858.64.110.23.3
Feb14° / 10910.73.810.94.1
Mar18° / 11213.60.811.85.6
Apr23° / 11°9812.8012.76.6
May26° / 15°7612.7013.66.6
Jun26° / 17°160170145.7
Jul25° / 19°37728.2013.84.0
Aug25° / 19°35227.8013.14.1
Sep24° / 16°19318.7012.25.8
Oct22° / 11°336.1011.27.9
Nov18° / 223.70.110.47.4
Dec14° / 304.41.1105.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34357
44357
54555
64852
74951
85149
95446
105743
115842
126139
136436
146634
156832
167030
177228
187525
197723
207921
218020
228218
238416
248515
258614
268713
278911
288911
29919
30919

Chance of precipitation in September

Any precipitation

Shimla gets around 193 mm of rain over 18.7 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 62% and peaks near 83% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
183
283
382
481
580
679
778
877
975
1073
1172
1270
1368
1467
1565
1663
1761
1858
1956
2054
2152
2250
2348
2446
2545
2643
2741
2839
2937
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1044056
2044254
3054451
4054649
5064846
6075043
7085240
8095437
90115534
100125632
110145729
120155926
131175923
141195921
151216018
162235916
172255914
183275812
194305610
20532549
21634537
22836506
23938485
241139454
251340434
261641403
271842373
282142342
292443312
302743282

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
115calm
125calm
135calm
145calm
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 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 6:01 AM to 6:19 AM, and sunset from 6:41 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:016:41
212.66:026:40
312.66:026:38
412.66:036:37
512.56:046:36
612.56:046:35
712.56:056:33
812.46:056:32
912.46:066:31
1012.46:066:29
1112.36:076:28
1212.36:086:27
1312.36:086:25
1412.36:096:24
1512.26:096:23
1612.26:106:21
1712.26:116:20
1812.16:116:19
1912.16:126:17
2012.16:126:16
2112.06:136:15
2212.06:146:13
2312.06:146:12
2411.96:156:11
2511.96:166:09
2611.96:166:08
2711.86:176:07
2811.86:176:05
2911.86:186:04
3011.76:196:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.85 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 7.05 kWh/m² in May across the year — September's 4.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Shimla

In seasonPeak

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

Shimla's rainy season runs July–September, when most of the year's rain falls.

Shimla sees seasonal dust haze (June), heaviest in June.

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

Is September a good time to visit Shimla?

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

5.8
Sightseeing
5th-best month of the year
4.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit Shimla for sightseeing.

What to pack for Shimla in September

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

In September, Shimla sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

UV index in Shimla in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shimla peaks around June 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeExtremeVery highModerateJun 16UV 11Jan 1UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar9Very high
Apr9Very high
May9Very high
Jun12Extreme
Jul9Very high
Aug11Extreme
Sep9Very high
Oct7Very high
Nov4Moderate
Dec4Moderate

Air quality in Shimla 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 Shimla is worst in December — around 37 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (August, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Shimla's WHO annual average of 26 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorDec 2037 µg/m³Aug 1318 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb30Moderate
Mar25Moderate
Apr21Moderate
May21Moderate
Jun22Moderate
Jul18Moderate
Aug17Moderate
Sep20Moderate
Oct28Moderate
Nov35Moderate
Dec37Poor
Location & terrain

Where is Shimla?

Shimla sits at 31.1°N, 77.2°E, 2,073 m above sea level, in India. The nearest listed city is Rishikesh, 155 km away.

AmritsarLahoreDelhiSialkotNankana SahibLehDārchulā

Topography around Shimla

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

Within 3 km, the terrain around Shimla has large variations in elevation — a maximum elevation change of 979 m around an average of 1,939 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,222 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,838 m.

The land around Shimla is covered by trees (79%) within 3 km, trees (78%) and grassland (20%) within 16 km, and trees (65%) within 80 km.

3 km
979 m
16 km
2,222 m
80 km
4,838 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Rishikesh 155 km · Amritsar 225 km · Lahore 272 km · Delhi 273 km · Sialkot 293 km · Nankana Sahib 331 km · Leh 343 km · Dārchulā 354 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 Shimla (31.1044°, 77.1666°, elevation 2,073 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).