The weather in September in Porto-Novo

Looking for sun? September isn’t a good month to be in Porto-Novo. The temperature is nice, but there’s too much chance of rain.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Porto-Novo, Benin. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Daily weather in September for Porto-Novo

Click on any day in September to get detailed info about the usual weather on that day in Porto-Novo. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average temperatures

It's warm in September in Porto-Novo with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 24°C and 25°C.

Temperature records

With 34°C in 2020, Porto-Novo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 207 mm of precipitation, spread over 21 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

September weather comparison

  Porto-Novo New York
Average temperature 29°C 27°C
Max. temperature 30°C 31°C
Min. temperature 24°C -5°C
Total precipitation 207 mm 57 mm
Rainy days 21 days 9 days

Start of September

The month of September starts in Porto-Novo with hot temps, averaging around 30°C during the day and nights around 25°C.

Mid September

By mid-September, daytime temps stay steady at around 30°C, with nights around 25°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Porto-Novo is around 30°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Porto-Novo for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Porto-Novo, Benin. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Porto-Novo

Temperature in September in Porto-Novo over the years

Precipitation charts

These charts show the average amount of precipitation in September in Porto-Novo, Benin. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Porto-Novo

Total precipitation in September in Porto-Novo over the years

Daily UV index in September in Porto-Novo

This chart shows the average daily UV index in September in Porto-Novo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Porto-Novo

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Average weather in Porto-Novo by month

Click on a month below to see detailed weather info for Porto-Novo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.