Weather in Tripoli in September 2025
Average weather
Average temperature in Tripoli in September
The temperature in September is +29°C on average, with a range between a maximum of +34°C during the day and a minimum of +21°C at night.
The average maximum temperature goes down 23% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.
Is Tripoli warm or cold in September?
Tripoli is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +30°C. The minimum temperature also goes down from +25°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Tripoli, here is the comparison with other months:
Climate in Tripoli in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +30°C | +27°C | ||||
| Min. temperature | ||||||
| +18°C | +16°C | +14°C | ||||
| Max. temperature | ||||||
| +41°C | +40°C | +39°C | ||||
| Rainfall | ||||||
| 1 mm | 9 mm | 30 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 77% | 74% | 72% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 28 | 19 | 12 | ||||
| Cloudy days | ||||||
| 2 | 7 | 11 | ||||
| Rainy days | ||||||
| 1 | 4 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +30°C. Prepare for more rain. Average rainfall goes from 1 mm to 9 mm. It feels drier, as humidity decreases from 77% to 74%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 28 sunny days in August to 19 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tripoli is gradually decreasing during September, going from 5 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Tripoli?
Climate Change over Years
The climate in Tripoli in September has not changed much over the last 43 years.
The average temperature was the lowest in 1991 (+23°C) and the highest in 2010 (+26°C). The driest year was 2021 with only 127 mm of rainfall, and the wettest year was 1986 with 596 mm.
FAQ
Is September a good time to visit Tripoli?
Can you sunbathe in Tripoli in September?
Is Tripoli rainy in September?
Is it sunny in Tripoli in September?
Monthly weather in Tripoli
Source of the data
For this page, we’ve looked at the typical weather in Tripoli, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.