September Humidity Averages for Brazil

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