Osaka Prefecture weather
Our guide to the weather in Osaka Prefecture during September
We've looked at the most up-to-date weather data for Osaka Prefecture, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Osaka Prefecture weather in September.
How warm is it in Osaka Prefecture during September?
The temperature reaches around 29℃ during the daytime in September, falling away to 21℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Osaka Prefecture during September?
On average, there will be 6 rainy days during the month, amounting to 132.1mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. 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 1 days that produce a storm.
Is it windy in Osaka Prefecture during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
Weather in Osaka Prefecture
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