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Weather in September in Sikkim

Considering a trip to Sikkim this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Sikkim in September?

Sikkim is a region in India. In September, Sikkim experiences a range of weather conditions, with temperatures that range from cold to warm and heavy precipitation.

Temperatures

During the day temperatures vary from cold in Lachung at 12°C to warm in Singtām at 25°C. At night it cools down to 19°C in Singtām and 5°C in Lachung.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Lachung with an average of 252 mm to heavy rainfall in Gangtok with 518 mm.

For a closer look at September's conditions in Sikkim, see the map below. For a more detailed look at Sikkim's yearly weather, check out our Sikkim climate page.

Where to go in Sikkim in September

Find more information for the most popular destinations in the Sikkim on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Sikkim?

Gangtok

In September Gangtok generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 15°C and heavy monthly rainfall. So on average the conditions are poor that month.

Gangtok
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
16°C 
902 mm 
16 days 
poor 
21°C 
15°C 
518 mm 
11 days 
poor 
October   >> October
>>  
19°C 
11°C 
224 mm 
3 days 
poor 
Climate in Gangtok

Pelling

In September Pelling generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 14°C and heavy monthly rainfall. So on average the conditions are poor that month.

Pelling
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
15°C 
103 hours 
649 mm 
16 days 
poor 
21°C 
14°C 
98 hours 
500 mm 
11 days 
poor 
October   >> October
>>  
19°C 
10°C 
168 hours 
260 mm 
3 days 
poor 
Climate in Pelling

Pemayangtse

In September Pemayangtse generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 14°C and heavy monthly rainfall. So on average the conditions are poor that month.

Pemayangtse
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
15°C 
103 hours 
652 mm 
16 days 
poor 
21°C 
14°C 
98 hours 
505 mm 
11 days 
poor 
October   >> October
>>  
19°C 
10°C 
168 hours 
266 mm 
3 days 
poor 
Climate in Pemayangtse

Lachung

In September Lachung generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 5°C and heavy monthly rainfall. So on average the conditions are poor that month.

Lachung
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
13°C 
6°C 
417 mm 
22 days 
poor 
12°C 
5°C 
252 mm 
15 days 
poor 
October   >> October
>>  
7°C 
-1°C 
153 mm 
5 days 
poor 
Climate in Lachung

Namchi

In September Namchi generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 18°C and heavy monthly rainfall. So on average the conditions are poor that month.

Namchi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
26°C 
19°C 
103 hours 
710 mm 
15 days 
poor 
25°C 
18°C 
98 hours 
486 mm 
11 days 
poor 
October   >> October
>>  
24°C 
14°C 
168 hours 
215 mm 
3 days 
Climate in Namchi

Is your destination not in the list? Have a look at other destinations in Sikkim, in India.

Is September the best time to visit Sikkim?

In our view, September might not be the best time to travel to Sikkim with often poor weather in Gangtok.

Generally speaking, the best visiting conditions can be found in July offering mostly perfect weather in Gangtok. In contrast, January, February, March, April, May, June, August, September, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Sikkim. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to India? Get detailed historical weather averages for many cities in India.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.