The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
São Mateus, ES
Content continues below
September
Average Temperature
High
27°
Feels 28
Low
20°
Feels 20
Average Precipitation
8 Days
Rain amount
33.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30°
16
29°
17
25°
18
25°
19
24°
20
26°
21
28°
22
29°
23
29°
24
28°
25
28°
26
29°
27
30°
28
30°
29
29°
30
Forecast
Tuesday, September 15, 2026
Day
30°
Feels 31
Wind
19 km/h NE
Gust
28 km/h
Humidity
45%
P.O.P
10%
Night
21°
Feels 21
Wind
16 km/h NE
Gust
23 km/h
Humidity
91%
P.O.P
40%
Rain
<1 mm
Historical Averages
Sep 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.