Tripoli Weather in September
Tripoli in September sees high daytime temperatures of 28°C (82°F) and nighttime lows of 23°C (73°F). With just 9.9 mm (0.4 in) of rainfall expected, it's a dry month overall.
Rainfall in Tripoli in September
Rain is expected on roughly a single day, totalling around 9.9 mm (0.4 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Tripoli in September
September tends to be one of the perfect months in Tripoli, with 28°C (82°F) in the afternoon and 23°C (73°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 23°C (73°F), making evenings a pleasant time to be outdoors.
Average water temperature in September
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September, October and November typically offer the best circumstances for Tripoli.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lebanon, check out our Tripoli's climate page.
Tripoli Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
28°C (82°F)
Water Temperature
28°C (82°F)
Chance of Rain
5%
Precipitation
9.9 mm (0.4 in)
Rainy days
a single day
Humidity
69%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tripoli typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Tripoli in September
Browse day-by-day weather records for Tripoli spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tripoli historical weather extremes in September
Our historical data for Tripoli spans 1991 to 2025, revealing these weather extremes.
- The hottest September day on record in Tripoli reached 37°C (99°F) (September 29, 1999).
- Tripoli experienced its chilliest September day on September 28, 1997, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 13°C (55°F) on September 21, 2003, marking the coldest September night on record.
Best Places in Lebanon in September
Find out more about the weather in Lebanon and which places have the best travel conditions in this month. See all of Lebanon in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Tripoli in September
Warm but pleasant conditions in Tripoli in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Tripoli in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lebanon, check out our Tripoli's climate page.
Temperature Rainfall Humidity Water Temp
See the full Tripoli climate overview or explore weather in Lebanon.
