Lagos
Nigeria
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Lagos, Nigeria

A lit city building in Lagos, Nigeria, with other city structures, seen from River Niger
A lit city building in Lagos, Nigeria, with other city structures, seen from River Niger
The first month of the autumn, September, is also a moderately hot month in Lagos, Nigeria, with average temperature ranging between min 21.9°C (71.4°F) and max 28.9°C (84°F).

Temperature

In Lagos, the average high-temperature is practically the same as in August - a still warm 28.9°C (84°F). The average low-temperature, in Lagos, is 21.9°C (71.4°F).

Rainfall

In September, in Lagos, the rain falls for 12.7 days. Throughout September, 167.1mm (6.6") of precipitation is accumulated. Throughout the year, there are 102.8 rainfall days, and 1538mm (60.6") of precipitation is accumulated.

Sea temperature

In Lagos, the average seawater temperature is 25.8°C (78.4°F).
Note: 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.

Daylight

The average length of the day in Lagos is 12.2h.

Sunshine

In Lagos, the average sunshine is 3.8h.

UV index

Months with the highest UV index are February through May, August through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 12 transform into the following instructions:
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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Lagos?

In September, the average high-temperature is 28.9°C (84°F), and the average low-temperature is 21.9°C (71.4°F).

How much does it rain in Lagos in September?

In Lagos, during September, the rain falls for 12.7 days and regularly aggregates up to 167.1mm (6.6") of precipitation.

What is the water temperature in September in Lagos?

In September, the average sea temperature is 25.8°C (78.4°F). 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.

What is the average length of the day in September in Lagos?

The average length of the day in September in Lagos, Nigeria, is 12.2h.

How many hours of sunshine does Lagos have in September?

In September, the average sunshine in Lagos, Nigeria, is 3.8h.

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

February through May, August through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in September in Lagos?

In September, the average daily maximum UV index in Lagos, Nigeria, is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Lagos, Nigeria
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is February (33.1°C).
Months with the lowest average high temperature are July and August (28.1°C).

  • Average low temperature in September: 21.9°C

The month with the highest average low temperature is March (23.8°C).
The coldest month (with the lowest average low temperature) is August (21.7°C).

Average rainfall in September - Lagos, Nigeria
  • Average rainfall in September: 167.1mm

The wettest month (with the highest rainfall) is June (312.2mm).
The driest month (with the lowest rainfall) is January (14.3mm).

Average rainfall days in September - Lagos, Nigeria
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is June (16.2 days).
The month with the lowest number of rainy days is December (1.4 days).

Average sea temperature in September - Lagos, Nigeria
  • Average sea temperature in September: 25.8°C

The best month for swimming (with the highest average sea temperature) is May (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.3°C).

Average daylight in September / Average sunshine in September - Lagos, Nigeria
  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.5h).
Months with shortest days are January, November and December (Average daylight: 11.8h).

  • Average sunshine in September: 3.8h

Months with most sunshine are November and December (Average sunshine: 6.2h).
The month with least sunshine is July (Average sunshine: 3.2h).

Average UV index in September - Lagos, Nigeria
  • Average UV index in September: 12

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