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Hourly Forecast
Daylight Hours
07:45
Sunrise
19:13
Sunset
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Waning Gibbous
20:55
Moonrise
12:23
Moonset
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View stargazing scoreWeather in Saint-Étienne-sur-Chalaronne today, September 30, 2026
Saint-Étienne-sur-Chalaronne looks damp on September 30, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 64% and the highest odds around 09:00. Cloud is also thick early on, peaking near 100% around 06:00.
The day peaks near 23°C and cools toward 20°C. Expect humidity between 52% and 86%, most humid near 22:00. A lighter breeze peaks around 15:00 near 7.5 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 12% after earlier peaks around 64%. Cloud remains in play near 100% around 14:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 35.9 km on average, though it can drop toward 25.8 km in thicker cloud or showers. Sunrise is at 07:45 and sunset at 19:13, giving 11 hours 28 minutes of sunlight today.
Taken together, Saint-Étienne-sur-Chalaronne looks wet enough on September 30, 2026 that flexible outdoor plans work best, with temperatures peaking near 23°C.
Frequently asked questions about weather in Saint-Étienne-sur-Chalaronne
How warm does it get in Saint-Étienne-sur-Chalaronne?
The warmest month in Saint-Étienne-sur-Chalaronne is August, with average high temperatures of 28°C. The average temperature during this period is around 22°C.
How cold does it get in Saint-Étienne-sur-Chalaronne?
The coldest month in Saint-Étienne-sur-Chalaronne is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Saint-Étienne-sur-Chalaronne?
The wettest month in Saint-Étienne-sur-Chalaronne is October, with an average of 120mm of precipitation.
What is the driest time of year in Saint-Étienne-sur-Chalaronne?
The driest month in Saint-Étienne-sur-Chalaronne is February, with an average of 65mm of precipitation.
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