Brazil
São Paulo in September
In September, São Paulo averages a daytime high of 24 °C and a night-time low of 14 °C, with about 108 mm of rain over the month. It falls outside São Paulo's most comfortable months, June to August.
- Average high
- 24 °C
- Average low
- 14 °C
- Rain in the month
- 108 mm
- Daylight on 15 Sep
- 12 h
- Comfortable month
- No
- Places to stay
- 103
When to go
How September compares with the rest of the year in São Paulo
September is the 8th warmest month in São Paulo by average daytime high; across the year the highs run from 22 °C to 28 °C and the lows from 12 °C to 19 °C. By day, September is 1 °C warmer than August, and October is 1 °C warmer than September.
September brings 108 mm of rain, less than the monthly average of 148 mm (1775 mm a year); it is the 8th wettest month.
On 15 September the sun is up for about 12 h, against 10 h 40 min at the shortest and 13 h 30 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 28 °C | 19 °C | 281 mm | |
| February | 28 °C | 19 °C | 251 mm | |
| March | 27 °C | 19 °C | 233 mm | |
| April | 26 °C | 17 °C | 120 mm | |
| May | 23 °C | 14 °C | 84 mm | |
| June | 22 °C | 13 °C | 65 mm | Yes |
| July | 22 °C | 12 °C | 56 mm | Yes |
| August | 23 °C | 13 °C | 52 mm | Yes |
| September | 24 °C | 14 °C | 108 mm | |
| October | 25 °C | 16 °C | 164 mm | |
| November | 26 °C | 17 °C | 158 mm | |
| December | 27 °C | 18 °C | 203 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit São Paulo?
Not by the measure used here: about 108 mm of rain is 80 mm or more. The comfortable months in São Paulo are June to August; the nearest are August, before, and June, after.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Brazil in September
Nationwide public holidays; shops and offices may close on these dates.
When to go
Destinations near São Paulo that are comfortable in September
Within 300 km, nearest first, by the same measure.
Where to stay
Where to stay in São Paulo
This guide lists 103 places to stay in São Paulo, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 5; 1–3 km, 55; 3–10 km, 43.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.