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Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Porto Viejo, M
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September
Average Temperature
High
30°
Feels 31
Low
21°
Feels 21
Average Precipitation
20 Days
Rain amount
86.5mm
Snow amount
0cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
31°
11
31°
12
31°
13
32°
14
31°
15
29°
16
30°
17
31°
18
32°
19
31°
20
31°
21
32°
22
29°
23
32°
24
31°
25
26
27
28
29
30
Forecast
Thursday, September 10, 2026
Day
31°
Feels 35
Wind
17 km/h W
Gust
26 km/h
Humidity
63%
P.O.P
90%
Rain
2-4 mm
Night
24°
Feels 24
Wind
13 km/h W
Gust
20 km/h
Humidity
93%
P.O.P
40%
Rain
~1 mm
Historical Averages
Sep 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.