Weather in Turkey on September 1, 2025: Heavy Rain and Heat Warnings in Some Regions

As we step into September, the Turkish State Meteorological Service has issued an important weather update for Monday, September 1, 2025. While many parts of the country will see clear skies and high temperatures, several cities.

Storm Clouds Gather Over Istanbul

Istanbul is in for a mixed day weather-wise. While the morning will start off partly cloudy, northern districts of the city are expected to see local showers and thunderstorms in the afternoon. With temperatures hovering around 29°C, it’s best to keep an umbrella handy, especially if you’re heading outdoors later in the day.

Muğla Stays Sunny and Hot

If you’re in Muğla, expect clear skies and sunshine all day. Temperatures will peak at around 35°C, so staying hydrated and avoiding peak sun hours is highly recommended. Beachgoers and tourists can enjoy perfect summer conditions, but the heat will be intense — take precautions.

Antalya Enjoys Classic Mediterranean Weather

Antalya will also enjoy a warm and sunny day, with temperatures hitting 30°C. The skies will remain mostly clear, making it ideal for those enjoying the last days of summer along the coast. No rain is expected, and light winds will offer a bit of comfort from the heat.

Heat Dominates Across the Country

Elsewhere in Turkey, temperatures are trending above seasonal averages. In the Aegean and Southeast regions, cities like Denizli, Diyarbakır, and Gaziantep are forecasted to hit 36–40°C under mostly clear skies.

Rain Expected in the East and Black Sea Region

Localized thunderstorms are expected in parts of the Eastern Mediterranean and the Black Sea region, including Adana, Hatay, Osmaniye, Samsun, and Trabzon. Overnight showers are possible, especially in coastal and mountainous areas, so residents should stay alert.

Wind Conditions

Winds will generally blow from the north in much of the country, with occasional moderate strength. In southern regions, breezes will shift from the south, offering some relief in otherwise hot conditions.

Whether you’re dealing with rain in Istanbul or basking in the sun in Antalya and Muğla, September kicks off with a diverse weather pattern across Turkey. Stay informed, dress for the conditions, and take heat warnings seriously, especially in inland and southeastern provinces.