Teresina in september: average Weather, Temperature and Climate
Weather in Teresina in september 2025
The weather in Teresina in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 8
Weather at 6am
74°F
Clear/Sunny
54% of time
27%
16%
4%
Weather at 12pm
99°F
Clear/Sunny
71% of time
27%
3%
1%
Weather at 6pm
92°F
Partly Cloudy
50% of time
46%
5%
1%
Weather at 3am
76°F
47%
37%
9%
5%
Evolution of daily average temperature and precipitation in Teresina in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Teresina in september.
The climate of Teresina in september is good
The weather in september in Teresina is relatively dry (with 0.9in of precipitation over 1 days). It should be noted a worsening from the previous month since in august there is an average of 1.1in of rainfall over 2 days.
The climate is very hot there the month of september. The high seasonal norm is 101°F. In the morning the temperature drops to 74°F. Thus, the mean temperature average on this month of september in Teresina is 88°F. Note that these seasonal averages are in contrast with those observed in Teresina in september with a maximum record of 112°F in 2021 and a minimum record of 67°F in 2019. You can expect to have 86°F or more across the month.
Day length in Teresina in september is 12:05. Sunrise is at 05:44 and sunset is at 17:49.
With a good weather, the month of september is a good month to go in that area.
Seasonal average climate and temperature of Teresina in september
Check below seasonal norms These datas are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 88°F | ||||
| Highest temperature | 101°F | ||||
| Lowest temperature | 74°F | ||||
| Highest record temperature | 112°F (2021) | ||||
| Lowest record temperature | 67°F (2019) | ||||
| Number of days at +86°F | 30 day(s) (100%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 74°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.9in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.9in (2014) | ||||
| Other climate data | |||||
| Humidity | 77% | ||||
| Visibility | 9.89km | ||||
| Cloud cover | 25% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:44 | ||||
| Time of sunset | 17:49 | ||||
| Length of day | 12:05 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Teresina in september 2024:
65°F to 101°F
65°F to 101°F
67°F to 103°F
67°F to 104°F
67°F to 104°F
67°F to 104°F
67°F to 104°F
68°F to 104°F
68°F to 104°F
67°F to 103°F
67°F to 104°F
68°F to 104°F
68°F to 104°F
67°F to 104°F
67°F to 104°F
67°F to 106°F
68°F to 108°F
68°F to 104°F
68°F to 104°F
67°F to 104°F
67°F to 104°F
68°F to 106°F
72°F to 106°F
70°F to 106°F
72°F to 108°F
70°F to 108°F
72°F to 108°F
70°F to 108°F
70°F to 108°F
72°F to 106°F
Map: other cities in Brazil in september
Cities near Teresina:
| Parnaiba in september | good weather |
| Lençóis Maranhenses National Park in september | good weather |
| São Luis de Maranhão in september | good weather |
| Jijoca de Jericoacoara in september | good weather |
| Fortaleza in september | perfect weather |
| Petrolina in september | perfect weather |
| Canoa Quebrada in september | perfect weather |
| Ajuruteua (Bragança - Pará) in september | good weather |
| Marabá in september | good weather |
| Belem in september | good weather |
| Barreiras in september | perfect weather |
| Parque Nacional da Chapada Diamantina in september | good weather |
Click over cities on the map for information about the weather in september.
Teresina
perfect weather
good
tolerable
bad
very bad
Weather data for Teresina in september:
Weather data for Teresina for september are derived from an average of the weather forecast since 2009 in Teresina. There is a margin of error and these forecasts are to be considered as general information only. The weather in Teresina can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Teresina.