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Daylight Hours
07:57
Sunrise
19:23
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Waning Gibbous
20:53
Moonrise
12:46
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View stargazing scoreWeather in Saclay today, September 30, 2026
Saclay 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. Early hours look the most unsettled, with rain probability near 42% by 11:00. The thickest cloud arrives around 04:00, reaching about 100%.
The temperature range runs from about 18°C up to 22°C. The air stays humid, with relative humidity between 65% and 95% and the peak around 20:00. Winds stay light, near 4.9 km/h by 16:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 18:00. Cloud also stays substantial, close to 100% near 12:00. Visibility stays generally good near 26.3 km on average, though it can drop toward 3.1 km in thicker cloud or showers. Daylight runs from 07:57 to 19:23, lasting 11 hours 25 minutes of sunlight today.
In short, treat September 30, 2026 in Saclay as a damp day: pack covers, watch the wetter hours, and expect a high near 22°C.
Frequently asked questions about weather in Saclay
How warm does it get in Saclay?
The warmest month in Saclay is July, with average high temperatures of 26°C. The average temperature during this period is around 20°C.
How cold does it get in Saclay?
The coldest month in Saclay is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Saclay?
The wettest month in Saclay is October, with an average of 81mm of precipitation.
What is the driest time of year in Saclay?
The driest month in Saclay is August, with an average of 52mm of precipitation.
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