Santa Maria weather
Our guide to the weather in Santa Maria during September
We've looked at the most up-to-date weather data for Santa Maria, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Santa Maria weather in September.
How warm is it in Santa Maria during September?
September is typically the hottest month in Santa Maria. The temperature hits about 27℃ during the day, falling away to a balmy 26℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Santa Maria during September?
September is typically the wettest month in Santa Maria. On average, there will be 3 rainy days during the month, amounting to 67.3mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, September will see just 3 days that produce a storm.
Is it windy in Santa Maria during September?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
How warm is the sea in Santa Maria during September?
The water around Santa Maria reaches a very pleasant 27℃ during September. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.
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