See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:42
Sunrise
19:56
Sunset
Moon
Waxing Crescent
13:35
Moonrise
22:15
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Castelsarrasin.
Resources
UV Index
Humidity
Weather in Castelsarrasin today, September 16, 2026
Castelsarrasin stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Expect highs of 22°C and cooler readings close to 16°C. Moisture in the air spans 39%-67%, with the highest values around 23:00. Expect gentle winds, highest near 17:00 at 4.2 km/h.
Expect persistent cloud later on, with amounts around 100% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 41.8 km on average, though it can drop toward 38.7 km in thicker cloud or showers. Sunrise is at 07:42 and sunset at 19:56, giving 12 hours 14 minutes of sunlight today.
The practical takeaway for Castelsarrasin on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in Castelsarrasin
How warm does it get in Castelsarrasin?
The warmest month in Castelsarrasin is August, with average high temperatures of 30°C. The average temperature during this period is around 24°C.
How cold does it get in Castelsarrasin?
The coldest month in Castelsarrasin is January, with average low temperatures of 3°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Castelsarrasin?
The wettest month in Castelsarrasin is May, with an average of 83mm of precipitation.
What is the driest time of year in Castelsarrasin?
The driest month in Castelsarrasin is July, with an average of 38mm of precipitation.
Explore more weather forecasts
- Moissac, Occitanie
- Paris, Île-de-France
- Montauban, Occitanie
- Marseille, Provence-Alpes-Côte d'Azur
- Blagnac, Occitanie
- Lyon, Auvergne-Rhône-Alpes
- Colomiers, Occitanie
- Toulouse, Occitanie
- L'Union, Occitanie
- Nice, Provence-Alpes-Côte d'Azur
- Cahors, Occitanie
- Nantes, Pays de la Loire
- Tournefeuille, Occitanie
- Marne La Vallée, Île-de-France
- Plaisance-du-Touch, Occitanie
- Strasbourg, Grand Est