Riva Weather in September
During September, Riva experiences high daytime temperatures of 26°C (79°F) and cooler nights around 20°C (68°F).
Some rainfall is typical during this period.
Rainfall in Riva in September
Expect around
7 days of rain based on historical data, with
57 mm (2.2 in) average.
Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Riva in September
The temperature in Riva in September is excellent. Daytime highs reach
26°C (79°F), with nights dropping to
20°C (68°F).
This kind of day-to-night contrast is typical for this time of year.
With overnight lows of
20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Riva in September
There are approximately
235 hours of sunshine this month, resulting in mostly clear days.
If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Riva.
perfect weather
pleasant
tolerable
unpleasant
poor
Avg daytime high
-5°C (23°F) cold → 32°C (90°F) hot
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.