Tripoli
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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 excellent 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.

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%

Tripoli Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Tripoli - and find the best time to visit.

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 records 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 2026, 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 26, 2026, 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

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).

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.

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Tripoli 3-Day Forecast

More climate data for Tripoli

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.