Gangtok
India
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Gangtok, India

September, the last month of the rainy (monsoon) season, in Gangtok, is another pleasant month, with temperature in the range of an average high of 21.6°C (70.9°F) and an average low of 15.3°C (59.5°F).

Temperature

In Gangtok, the average high-temperature is essentially the same as in August - a still agreeable 21.6°C (70.9°F). In September, in Gangtok, the average low-temperature is 15.3°C (59.5°F).

Rainfall

In September, in Gangtok, the rain falls for 12 days. Throughout September, 487.7mm (19.2") of precipitation is accumulated. Throughout the year, there are 87 rainfall days, and 3626mm (142.8") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

In Gangtok, the average sunshine is 5h.

UV index

April through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Gangtok?

In September, in Gangtok, the average high-temperature is 21.6°C (70.9°F), and the average low-temperature is 15.3°C (59.5°F).

How much does it rain in Gangtok in September?

In September, the rain falls for 12 days. Throughout September, 487.7mm (19.2") of precipitation is accumulated.

How many hours of daylight does Gangtok have in September?

In Gangtok, India, the average length of the day in September is 12.3h.

How long on average sun shines in September in Gangtok?

The average sunshine in September in Gangtok, India, is 5h.

What is the month with the highest UV index in Gangtok?

Months with the highest UV index in Gangtok are April through September, with an average maximum UV index of 12.

How high is the UV index in September in Gangtok?

The average daily maximum UV index in September in Gangtok, India, is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Gangtok, India
  • Average high temperature in September: 21.6°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in September: 15.3°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average rainfall in September - Gangtok, India
  • Average rainfall in September: 487.7mm

The wettest month (with the highest rainfall) is July (649.6mm).
The driest month (with the lowest rainfall) is December (22.7mm).

Average rainfall days in September - Gangtok, India
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (19 days).
The month with the lowest number of rainy days is December (0 days).

Average daylight in September / Average sunshine in September - Gangtok, India
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in September: 5h

Months with most sunshine are March and April (Average sunshine: 8h).
Months with least sunshine are July and August (Average sunshine: 4).

Average UV index in September - Gangtok, India
  • Average UV index in September: 12

Months with the highest UV index are April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 5).