September in Sapanca typically sees daytime highs of 26°C (79°F) and nighttime lows of 15°C (59°F). Rainfall is also possible this month, so it's worth packing an umbrella.
If your ideal day consists of dry skies and pleasant temperatures, May, June, July, September and October typically offer the best circumstances for Sapanca.
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Chance of Rain
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Pick a month to see the average temperature, rainfall and sunshine in Sapanca - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Sapanca typically drop from around 28°C (82°F) at the start of September to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sapanca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 34 years of weather records for Sapanca, the following extremes were recorded between 1991 and 2025.
Find out more about the weather in Turkey and which places have the best travel conditions in this month. See all of Turkey in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Sapanca climate overview or explore weather in Turkey.
Where to go in September - average daytime high across popular destinations.
Antalya
31°C (88°F) Side
30°C (86°F) Fethiye30°C (86°F) Oludeniz30°C (86°F) Alanya28°C (82°F) Alacati
26°C (79°F) Istanbul25°C (77°F) Trabzon
23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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