Kollam
India
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kollam, India

The last month of the rainy (monsoon) season, Septiembre, is also a moderately hot month in Kollam, India, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 29°C (84.2°F).

Temperature

Junio through Septiembre and Noviembre, with an average high-temperature of 29°C (84.2°F), are the coldest months.

Rainfall

In Kollam, India, during 12 rainfall days, 209mm (8.23") of precipitation is typically accumulated. In Kollam, during the entire year, the rain falls for 117 days and collects up to 2427mm (95.55") of precipitation.

Sea temperature

In Septiembre, the average sea temperature in Kollam is 27.5°C (81.5°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Septiembre, the average length of the day in Kollam is 12.2h.

Sunshine

In Kollam, the average sunshine is 6h.

UV index

Febrero through Octubre, 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 health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In Septiembre, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the coldest month in Kollam?

The coldest months are Junio through Septiembre and Noviembre, with an average high-temperature of 29°C (84.2°F).

What is the temperature in Septiembre in Kollam?

The average high-temperature, in Septiembre, is 29°C (84.2°F), while the average low-temperature is 24°C (75.2°F).

How many days does it rain in Septiembre in Kollam?

In Kollam, in Septiembre, during 12 rainfall days, 209mm (8.23") of precipitation is typically accumulated.

What is the sea water temperature in Septiembre in Kollam?

In Septiembre, the average sea temperature is 27.5°C (81.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in Septiembre in Kollam?

The average length of the day in Septiembre in Kollam, India, is 12.2h.

How many hours of sunshine does Kollam have in Septiembre?

The average sunshine in Septiembre in Kollam, India, is 6h.

What are the months with the highest UV index in Kollam?

Months with the highest UV index in Kollam are Febrero through Octubre, with an average maximum UV index of 12.

How high is the UV index in Septiembre in Kollam?

The average daily maximum UV index in Septiembre in Kollam is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in September - Kollam, India
  • Average high temperature in September: 29°C

Warmest months (with the highest average high temperature) are March and April (32°C).
Months with the lowest average high temperature are June, July, August, September and November (29°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is April (26°C).
Coldest months (with the lowest average low temperature) are January, February and December (23°C).

Average rainfall in September - Kollam, India
  • Average rainfall in September: 209mm

The wettest month (with the highest rainfall) is June (518mm).
The driest month (with the lowest rainfall) is January (18mm).

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

The month with the highest number of rainy days is June (21 days).
The month with the lowest number of rainy days is January (1 days).

Average sea temperature in September - Kollam, India
  • Average sea temperature in September: 27.5°C

The best month for swimming (with the highest average sea temperature) is April (29.9°C).
The coldest month (with the lowest average sea temperature) is August (26.9°C).

Average daylight in September / Average sunshine in September - Kollam, India
  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.6h).
The month with shortest days is December (Average daylight: 11.6h).

  • Average sunshine in September: 6h

Months with most sunshine are January and February (Average sunshine: 9h).
Months with least sunshine are June and July (Average sunshine: 5).

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

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).