Average relative humidity levels during September are listed below for cities and other locations in Brazil. Each place has a humidity average for three times during the day: 12 noon, 6:00 pm and at midnight.
You can jump to a separate table for each region of the country: Northeast Brazil, Southeast Brazil, South Brazil, Center West Brazil and North Brazil.
These humidity measurements are based on weather data collected from 1961 to 1990.
Northeast Brazil
September relative humidity averages
Place |
Noon |
6 pm |
Midnight |
Apodí |
69 |
51 |
81 |
Aracaju |
82 |
82 |
86 |
Campina Grande |
86 |
74 |
93 |
Fortaleza |
77 |
75 |
87 |
João Pessoa |
82 |
81 |
87 |
Maceió |
83 |
79 |
89 |
Natal |
80 |
77 |
87 |
Petrolina |
72 |
51 |
65 |
Recife |
82 |
79 |
90 |
Salvador |
83 |
81 |
89 |
São Gonçalo |
69 |
53 |
70 |
São Luis |
80 |
75 |
92 |
Teresina |
74 |
49 |
70 |
Southeast Brazil
Average September humidity (%)
Place |
Noon |
6 pm |
Midnight |
Araçatuba |
71 |
51 |
68 |
Belo Horizonte |
79 |
63 |
79 |
Cabo Frio |
86 |
84 |
91 |
Campinas |
69 |
46 |
69 |
Campos do Jordão |
86 |
81 |
97 |
Franca |
76 |
61 |
77 |
Ilha Guaíba |
74 |
73 |
85 |
Juiz de Fora |
90 |
73 |
87 |
Mogi das Cruzes |
81 |
73 |
86 |
Rio de Janeiro |
86 |
80 |
86 |
Santos |
89 |
87 |
92 |
São José dos Campos |
77 |
51 |
79 |
São Paulo |
88 |
72 |
88 |
Sorocaba |
73 |
55 |
76 |
Ubatuba |
91 |
84 |
96 |
Uberaba |
75 |
58 |
75 |
Vitória |
84 |
81 |
90 |
South Brazil
September humidity averages
Place |
Noon |
6 pm |
Midnight |
Caxias do Sul |
90 |
78 |
89 |
Curitiba |
91 |
76 |
93 |
Florianópolis |
91 |
85 |
92 |
Foz do lguaçu |
88 |
61 |
82 |
Londrina |
84 |
67 |
81 |
Maringá |
81 |
67 |
79 |
Pelotas |
84 |
70 |
86 |
Ponta Grossa |
81 |
57 |
79 |
Porto Alegre |
90 |
78 |
90 |
Rio Grande |
85 |
76 |
87 |
Center West Brazil
Relative humidity averages (%) for September
Place |
Noon |
6 pm |
Midnight |
Brasília |
72 |
56 |
73 |
Campo Grande |
80 |
62 |
79 |
Cuiabá |
80 |
57 |
76 |
Goiânia |
74 |
54 |
70 |
Goiás |
71 |
53 |
73 |
Pirenópolis |
72 |
55 |
75 |
North Brazil
September humidity averages
Place |
Noon |
6 pm |
Midnight |
Belém |
89 |
78 |
94 |
Benjamin Constant |
91 |
64 |
84 |
Boa Vista |
84 |
63 |
80 |
Cruzeiro do Sul |
95 |
70 |
84 |
Macapá |
86 |
72 |
86 |
Manaus |
85 |
61 |
80 |
Porto Velho |
92 |
63 |
87 |
Rio Branco |
94 |
59 |
80 |
Santarém |
84 |
69 |
89 |
Taracuá |
97 |
83 |
95 |