Onitsha Weather in September
September in Onitsha brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 23°C (73°F).
It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Onitsha in September
As part of the rainy season, Onitsha sees around
19 days of rain in September, with an average of
227 mm (8.9 in).
The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Onitsha in September
Daytime temperatures in Onitsha reach
31°C (88°F) in September, dropping to
23°C (73°F) at night.
If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day.
At
23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
September in Onitsha has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
perfect weather
pleasant
tolerable
unpleasant
poor
Avg daytime high
-5°C (23°F) cold → 32°C (90°F) hot
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.