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Hourly Forecast
Daylight Hours
06:41
Sunrise
18:54
Sunset
Moon
Waxing Crescent
12:35
Moonrise
20:57
Moonset
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Weather in Norwalk tomorrow, September 17, 2026
Norwalk starts September 17, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 100% around 09:00. Grey conditions set the early tone before any later change.
Expect highs of 26°C and cooler readings close to 13°C. Relative humidity sits between 38% and 99%, reaching its peak around 04:00. Expect gentle winds, highest near 14:00 at 2.5 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 13:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.6 km, briefly nearer 12.2 km. Sunrise is at 06:42 and sunset at 18:52, giving 12 hours 9 minutes of sunlight today.
In short, September 17, 2026 looks like a fine day in Norwalk for being outside, peaking around 26°C.
Frequently asked questions about weather in Norwalk
How warm does it get in Norwalk?
The warmest month in Norwalk is July, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Norwalk?
The coldest month in Norwalk is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Norwalk?
The wettest month in Norwalk is July, with an average of 120mm of precipitation.
What is the driest time of year in Norwalk?
The driest month in Norwalk is June, with an average of 82mm of precipitation.
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