Tripoli weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: February – May, October – November
What is the weather like in Tripoli in September?
In September, Tripoli is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is rare: about 2 days bring 10 mm in total. On about 17 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Tripoli.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 67 | 76 | 91 |
| Day | 32° | 31° | 27° |
| Night | 24° | 23° | 20° |
| Sea | 27° | 27° | 25° |
| Sun | 10 h | 9 h | 7 h |
| Rain days | 0 | 2 | 4 |
More details for September
- Daylight
- 12 h 25 min06:50 – 19:15
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 20 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 21 %on averageAll months
- Hot days
- 17 days30 °C or moreAll months
- Time zone
- UTC+2Africa/Tripoli
How the score comes together
- Temperatureweight 50 %54 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Tripoli in September: quick answers
Is Tripoli hot in September?
Yes. In September, Tripoli is hot: daytime highs average 31 °C and nights stay around 23 °C. On about 17 days the thermometer climbs to 30 °C or more.
Can you swim in Tripoli in September?
Yes. In September the sea averages 27.1 °C – lovely and warm for swimming.
Does it rain much in Tripoli in September?
Rain is rare: about 2 days bring 10 mm in total.
Tripoli month by month
The whole year in TripoliAll destinations: LibyaWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences