News Sasebo Nagasaki Japan September 18, 2025

Weather Analysis for Sasebo, Japan: September 19-21, 2025

As we transition into the weekend, Sasebo, Japan, is set to experience a mix of weather conditions over the next few days. Let’s break down the expected weather for September 19-21, 2025.

Thursday, September 19: Warm and Partly Cloudy

On Thursday, residents can expect a warm day with a high of 29°C (84°F) and a low of 23°C (73°F). The skies will be predominantly partly cloudy, allowing for 12 hours of sunshine. Winds will be gentle, coming from the northeast at about 14 km/h (9 mph). With a UV index of 2, it will be wise to enjoy the outdoor activities, but remember to wear sunscreen to avoid sunburns. Overall, it's a great day for a stroll in Sasebo, with a low chance of rain (0%), making this day ideal for exploring the beautiful landmarks of the city.

Friday, September 20: A Shift to Rain

As we move into Friday, a significant change in weather is expected. The temperature will slightly cool to a high of 27°C (80°F) and a low of 22°C (72°F). Cloud coverage will increase, bringing light rain throughout the day, especially in the morning hours. The forecast predicts a high chance (100%) of rain, with precipitation amounts reaching around 2.2 mm. Winds will be moderate, measured at about 12-14 km/h (7-9 mph) from the southwest. This shift might be less favorable for outdoor plans, so it's best to either carry an umbrella or plan indoor activities.

Saturday, September 21: Cloudy with Possible Showers

The weekend will kick off with similar conditions to Friday. Expect cloudy skies with patchy rain showers possible throughout the day. Highs will reach 27°C (80°F) with a low near 21°C (70°F). The chance of rain remains considerable, and humidity will be quite high, around 90%, making it feel warmer than it is. Winds will be breezy, blowing at 14 km/h (9 mph) from the northeast. This day might be a good opportunity to take in the local culture and enjoy a cozy inside day at one of Sasebo's many restaurants or cafes.

As the weather in Sasebo continues to fluctuate, it's essential to stay updated. For those looking for long-term predictions, check out the Next 5 Days Weather forecast. If you need minute-by-minute updates, the Hour by Hour Weather section can provide you with real-time information.

No matter the weather, Sasebo is a beautiful city with rich history and scenic views. Keep an eye on the conditions, dress appropriately, and enjoy everything this vibrant location has to offer!