Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Port Harcourt experiences a recorded average high-temperature of a still moderately hot 27.5°C (81.5°F) in September, closely aligned with August's 26.9°C (80.4°F). During September nights, Port Harcourt witnesses a consistent average temperature of 22°C (71.6°F).Heat index
During September, the heat index is estimated at a hot 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The months with the highest humidity are July and September, with an average relative humidity of 88%.Rainfall
In Port Harcourt, during September, the rain falls for 29.8 days and regularly aggregates up to 283mm (11.14") of precipitation. Throughout the year, there are 310.7 rainfall days, and 2138mm (84.17") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 26.8°C (80.2°F).Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.
Daylight
The average length of the day in September in Port Harcourt is 12h and 8min.On the first day of the month, sunrise is at 06:25 and sunset at 18:37. On the last day of September, in Port Harcourt, sunrise is at 06:19 and sunset at 18:23 WAT.
Sunshine
In Port Harcourt, the average sunshine in September is 4.4h.UV index
In Port Harcourt, Nigeria, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 6 transforms into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Watch out! Reflections from sand and water can surge UV radiation exposure.
Frequently asked questions
What are September temperatures in Port Harcourt?
What is the most humid month in Port Harcourt?
What is the average humidity in September in Port Harcourt?
How many days does it rain in September in Port Harcourt?
What is the sea water temperature in September in Port Harcourt?
What is the average length of the day in September in Port Harcourt?
What time are sunrise and sunset in September in Port Harcourt?
How many hours of sunshine does Port Harcourt have in September?
What is the UV index reading in September in Port Harcourt?
Average temperature in September
Port Harcourt, Nigeria
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is January (32.8°C).
The month with the lowest average high temperature is July (26.8°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is March (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.8°C).
Average pressure in September
Port Harcourt, Nigeria
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.6mbar).
The month with the lowest atmospheric pressure is February (1009.7mbar).
Average wind speed in September
Port Harcourt, Nigeria
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is August (9.6km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Port Harcourt, Nigeria
- Average humidity in September: 88%
The months with the highest relative humidity are July and September (88%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Port Harcourt, Nigeria
- Average rainfall in September: 283mm
The wettest month (with the highest rainfall) is July (293mm).
The driest month (with the least rainfall) is December (45mm).
Average rainfall days in September
Port Harcourt, Nigeria
- Average rainfall days in September: 29.8 days
The months with the highest number of rainy days are August and October (30.1 days).
The month with the least rainy days is January (14.9 days).
Average sea temperature in September
Port Harcourt, Nigeria
- Average sea temperature in September: 26.8°C
The best month for swimming (with the highest average sea temperature) is April (28.9°C).
The coldest month (with the lowest average sea temperature) is August (26.1°C).
Average daylight in September /
Average sunshine in September
Port Harcourt, Nigeria
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 4h and 2min
The month with the most sunshine is December (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 3h and 24min).
Average sunshine days in September
Port Harcourt, Nigeria
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is September (0.2 days).
Average UV index in September
Port Harcourt, Nigeria
- Average UV index in September: 6
The months with the highest UV index are January, February, April, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Port Harcourt, Nigeria
- Average cloud cover in September: 73
The month with the most cloud cover is August (Cloud cover 78).
The months with the least cloud cover are January and December (Cloud cover 26).
Average visibility in September
Port Harcourt, Nigeria
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and December (9km).
The months with the lowest visibility are July, August, September and October (7km).
Port Harcourt, Nigeria
Weather forecast for your location
2. Allow the app to use your location
