Port Harcourt Weather in September
September in Port Harcourt averages 29°C (84°F) during the day and 23°C (73°F) at night. September is part of the rainy season, with around 354 mm (14 in) of rainfall and frequent showers.
Rainfall in Port Harcourt in September
Port Harcourt is in the rainy season in September, with rain on around 21 days and an average of 354 mm (14 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Port Harcourt in September
In September, Port Harcourt sees high temperatures, with highs of 29°C (84°F). Nights drop to around 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Port Harcourt in September
The area sees fewer sunny days, with a projection of about 79 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Port Harcourt. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nigeria, check out our Port Harcourt's climate page.
Port Harcourt Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Chance of Rain
71%
Precipitation
354 mm (14 in)
Rainy days
21 days
Humidity
82%
Sunshine
79 hours
Percentage Sunshine
Historical weather for Port Harcourt in September
Browse day-by-day weather records for Port Harcourt spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Port Harcourt historical weather extremes in September
Based on weather observations in Port Harcourt between 2006 and 2025, these are the recorded extremes during September.
- Port Harcourt recorded its highest September temperature of 33°C (91°F) on September 19, 2013.
- On September 7, 2006, Port Harcourt saw its coldest September day with temperatures maxing out at 24°C (75°F).
- The lowest overnight temperature recorded in September was 20°C (68°F) (September 13, 2018).
- The wettest September day on record brought 216 mm (8.5 in) of precipitation to Port Harcourt (September 8, 2020).
Best Places in Nigeria in September
Find out more about the weather in Nigeria and which places have the best travel conditions in this month. See all of Nigeria in September →
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What to Wear in Port Harcourt in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Port Harcourt in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nigeria, check out our Port Harcourt's climate page.
Temperature Rainfall Sunshine Humidity
See the full Port Harcourt climate overview or explore weather in Nigeria.
