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Joao Pessoa in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Joao Pessoa in September will be like? Take a look at our weather guide for Joao Pessoa, based on historical data.
Check flight prices to Joao Pessoa on Avionero:
September

Weather in Joao Pessoa in September 2025

Good Weather
Warm
🌧️
Rainy
Planning a trip to Joao Pessoa in September? You are in luck! The weather is generally good, with an average maximum temperature of +27°C and approximately 1 sunny days. Just be prepared for some rain, as there are usually around 23 rainy days and 40 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+27°C
Avg. max. temperature
+19°C
Min.
+30°C
Max.
40 mm
Total precipitation
79%
Avg. humidity
4 m/s
Avg. wind
1 ☀️
Sunny Days
6 ⛅️
Cloudy
23 🌦
Rainy
Our opinion: Joao Pessoa has good weather in September.

Average temperature in Joao Pessoa in September

Here are the expected maximum, average and minimum temperatures in Joao Pessoa for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +29°C during the day to a minimum of +22°C during the night, the temperature in September averages around +28°C.

The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +29°C to +28°C.

Is Joao Pessoa warm or cold in September?

Joao Pessoa is typically warm in September.

Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes up from +22°C to +23°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Joao Pessoa:

Climate in Joao Pessoa in September

Joao Pessoa weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+27°C+27°C+28°C
Min. temperature
+19°C+19°C+21°C
Max. temperature
+30°C+30°C+31°C
Rainfall
67 mm40 mm25 mm
Wind
4 m/s4 m/s4 m/s
Humidity
81%79%76%
Air pressure
1015 HPa1014 HPa1013 HPa
Sunny days
111
Cloudy days
469
Rainy days
262321
Snowy days
000

September often has better weather than August. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 67 mm to 40 mm. It feels drier, as humidity decreases from 81% to 79%. The average wind speed doesn’t change much during September, staying around 4 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.

October brings much the same weather, it remains good.

Wind

Wind speed in Joao Pessoa in September based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Joao Pessoa is gradually increasing during September, going from 3 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Joao Pessoa based on historical data.
Last Year
Historical Data
Typically, there is a 63% chance of rain on an average day in September, with total rainfall of approximately 48 mm. The maximum amount of rainfall per day is around 4 mm, which is considered light rain. September is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Joao Pessoa wettest month is May, where a typical day has a 87% chance of precipitation and 149 mm of rainfall per day. November, on the other hand, is the driest month with a mere 67% chance of precipitation and 22 mm of rainfall per day.

How was the weather last September in Joao Pessoa?

This is the weather in Joao Pessoa in September 2024:
1 September
☁️
+29°C
2 September
🌧️
+27°C
3 September
🌧️
+27°C
4 September
🌧️
+29°C
5 September
☁️
+28°C
6 September
☁️
+28°C
7 September
🌧️
+26°C
8 September
🌧️
+27°C
9 September
🌧️
+27°C
10 September
🌧️
+26°C
11 September
☁️
+28°C
12 September
🌧️
+27°C
13 September
🌧️
+26°C
14 September
🌧️
+28°C
15 September
☀️
+28°C
16 September
☀️
+27°C
17 September
🌧️
+27°C
18 September
🌧️
+27°C
19 September
🌧️
+27°C
20 September
☁️
+28°C
21 September
🌧️
+28°C
22 September
🌧️
+28°C
23 September
🌧️
+27°C
24 September
🌧️
+28°C
25 September
☁️
+28°C
26 September
☁️
+28°C
27 September
☀️
+28°C
28 September
☀️
+28°C
29 September
☁️
+29°C
30 September
☁️
+28°C
In September 2024 Joao Pessoa had 4 sunny days, 9 cloudy days, and 17 rainy days. The average maximum temperature was +28°C, with an absolute maximum of +29°C and a minimum of +26°C. The average humidity was 83%, with a maximum of 100% and a minimum of 54%. The average wind speed was 4 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Joao Pessoa climate have been changing during last 43 years period.

The climate in Joao Pessoa in September has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+27°C) and the highest in 2020 (+30°C). The driest year was 1993 with only 487 mm of rainfall, and the wettest year was 2011 with 2108 mm.

FAQ

Frequently asked questions about the weather in Joao Pessoa in September:

Is September a good time to visit Joao Pessoa?

September is a really good time to go to Joao Pessoa. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Joao Pessoa.

Can you sunbathe in Joao Pessoa in September?

September is warm in Joao Pessoa. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Joao Pessoa rainy in September?

Joao Pessoa is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Joao Pessoa in September?

Usually, it’s not very sunny in Joao Pessoa in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for other cities in Brazil.

Monthly weather in Joao Pessoa

Source of the data

For this page, we’ve looked at the typical weather in Joao Pessoa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.