Barras September Weather Averages

Piaui, Brazil

September Weather Averages for Barras

High Temp	38°C	100°F
Low Temp	23°C	73°F
Avg Temp	30°C	86°F
Sunshine Hours	301 hours
Rainfall	0.79 mm	0.03 In
Rain days	0 days
Pressure	1011 mb	30 In

Barras September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	37°C / 98°F	24°C / 75°F	30°C / 86°F	296 hours	0.30 mm / 0.01 In	0 days	1012 mb / 30 In
2010	37°C / 99°F	24°C / 75°F	30°C / 86°F	328 hours	0.00 mm / 0.00 In	0 days	1010 mb / 30 In
2011	36°C / 96°F	24°C / 75°F	30°C / 85°F	341 hours	0.20 mm / 0.01 In	0 days	1012 mb / 30 In
2012	37°C / 98°F	23°C / 74°F	30°C / 85°F	307 hours	0.20 mm / 0.01 In	0 days	1012 mb / 30 In
2013	36°C / 97°F	24°C / 75°F	30°C / 85°F	341 hours	2.89 mm / 0.11 In	1 days	1011 mb / 30 In
2014	36°C / 97°F	24°C / 75°F	29°C / 85°F	279 hours	0.10 mm / 0.00 In	0 days	1012 mb / 30 In
2015	37°C / 99°F	24°C / 75°F	30°C / 86°F	299 hours	0.00 mm / 0.00 In	0 days	1011 mb / 30 In
2016	37°C / 99°F	24°C / 75°F	30°C / 86°F	274 hours	0.70 mm / 0.03 In	0 days	1012 mb / 30 In
2017	38°C / 100°F	24°C / 75°F	30°C / 87°F	277 hours	0.10 mm / 0.00 In	0 days	1012 mb / 30 In
2018	38°C / 100°F	23°C / 74°F	30°C / 86°F	283 hours	0.30 mm / 0.01 In	0 days	1010 mb / 30 In
2019	38°C / 100°F	23°C / 73°F	30°C / 85°F	282 hours	1.00 mm / 0.04 In	1 days	1011 mb / 30 In
2020	38°C / 101°F	22°C / 72°F	30°C / 86°F	313 hours	0.00 mm / 0.00 In	0 days	1011 mb / 30 In
2021	39°C / 101°F	23°C / 74°F	30°C / 86°F	274 hours	2.70 mm / 0.11 In	1 days	1011 mb / 30 In
2022	38°C / 100°F	22°C / 72°F	30°C / 85°F	303 hours	2.72 mm / 0.11 In	1 days	1010 mb / 30 In
2023	41°C / 105°F	20°C / 69°F	30°C / 86°F	334 hours	0.96 mm / 0.04 In	0 days	1010 mb / 30 In
2024	41°C / 105°F	20°C / 67°F	29°C / 85°F	351 hours	0.02 mm / 0.00 In	0 days	1010 mb / 30 In
2025	40°C / 105°F	20°C / 68°F	29°C / 85°F	334 hours	0.50 mm / 0.02 In	0 days	1011 mb / 30 In
2026	39°C / 103°F	23°C / 73°F	30°C / 86°F	203 hours	1.60 mm / 0.06 In	0 days	1011 mb / 30 In

Need more than one day of Barras history?

Download historical weather for Barras, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

Historical weatherDaily and hourly interval data.
Yearly monthly averagesMonthly averages for every year since 2009.
Monthly climate averagesLong-term climate normals by month.
CSV formatReady for Excel, Python, R or your database.

Buy historical weather data Or use the History API

Hotels near Barras

Barras weather history: common questions

How far back does Barras weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Barras historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Historical weather data

Buy Barras weather history

CSV files from January 2009 to today:

Daily and hourly historical weather
Yearly monthly averages
Monthly climate averages

Buy historical weather data Download a free sample »

For developers

History API

Hourly past weather for Barras as JSON, from 2010.

GET https://api.weatherapi.com/v1/history.json?key=YOUR_KEY&q=-4.25,-42.3&dt=2026-01-01 Get your free API key Compare plans »