See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
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Hourly Forecast
Daylight Hours
06:06
Sunrise
18:09
Sunset
Moon
Waxing Crescent
09:21
Moonrise
21:10
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
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Air Quality Data Available
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UV Index
Humidity
Weather in Vallam today, September 15, 2026
Vallam starts September 15, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
The day peaks near 33°C and cools toward 24°C. Moisture in the air spans 56%-96%, with the highest values around 23:00. Expect gentle winds, highest near 18:00 at 1.7 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 72% around 22:00. Cloud also stays substantial, close to 87% near 12:00. Visibility holds near 16.0 km, though it can fall to 14.3 km. Daylight runs from 06:06 to 18:09, lasting 12 hours 3 minutes of sunlight today.
Taken together, Vallam looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 33°C.
Frequently asked questions about weather in Vallam
How warm does it get in Vallam?
The warmest month in Vallam is May, with average high temperatures of 37°C. The average temperature during this period is around 32°C.
How cold does it get in Vallam?
The coldest month in Vallam is January, with average low temperatures of 22°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Vallam?
The wettest month in Vallam is November, with an average of 225mm of precipitation.
What is the driest time of year in Vallam?
The driest month in Vallam is February, with an average of 12mm of precipitation.
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