Climate averages 1991–2020
Tripoli, Lebanon weather
in September.
A hot, very dry month: the 3rd warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Tripoli, Lebanon: daytime highs average 29.9°C and nights cool to about 22.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 7.0 mm of rain on roughly 1 day, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average September day.
The nearest other city in this atlas is Ţarţūs (51 km away). In September its highs average 30.0°C, about as warm as Tripoli, Lebanon, with 18 mm of rain.
Among the 8 cities listed in Lebanon, Tripoli, Lebanon ranks 2nd of 8 for the warmest September highs and 7th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 28.9°C; Tripoli, Lebanon is 1.0°C warmer than that mean.
From September to October, average highs fall by 2.9°C to 27.0°C, and monthly rainfall rises from 7.0 mm to 42 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tripoli, Lebanon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.5°C8.4°C | 8.4°C | 146 | 14.0 | 10.110 h |
| February | 16.2°C8.7°C | 8.7°C | 126 | 11.4 | 10.911 h |
| March | 18.5°C10.9°C | 10.9°C | 93 | 9.3 | 11.912 h |
| April | 21.8°C13.8°C | 13.8°C | 38 | 5.7 | 13.013 h |
| May | 25.6°C17.9°C | 17.9°C | 16 | 2.8 | 13.914 h |
| June | 28.8°C21.6°C | 21.6°C | 1.2 | 0.3 | 14.414 h |
| July | 31.1°C24.0°C | 24.0°C | 0.2 | 0.1 | 14.214 h |
| August | 31.4°C24.3°C | 24.3°C | 0.2 | 0.1 | 13.413 h |
| September, selected | 29.9°C22.6°C | 22.6°C | 7.0 | 1.4 | 12.412 h |
| October | 27.0°C19.3°C | 19.3°C | 42 | 5.6 | 11.311 h |
| November | 21.9°C14.0°C | 14.0°C | 89 | 8.7 | 10.410 h |
| December | 17.6°C10.3°C | 10.3°C | 145 | 12.4 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Ţarţūs in SeptemberSyria · 51 kmHigh 30.0°C · Low 22.1°C · 18 mm rain
- Jounieh in SeptemberLebanon · 54 kmHigh 29.4°C · Low 21.3°C · 6.0 mm rain
- Zahlé in SeptemberLebanon · 65 kmHigh 28.8°C · Low 16.7°C · 3.4 mm rain
- Beirut in SeptemberLebanon · 68 kmHigh 30.1°C · Low 21.1°C · 6.0 mm rain
- Aley in SeptemberLebanon · 73 kmHigh 26.7°C · Low 16.3°C · 5.7 mm rain
- Homs in SeptemberSyria · 87 kmHigh 31.6°C · Low 18.2°C · 1.5 mm rain
- Sidon in SeptemberLebanon · 107 kmHigh 29.2°C · Low 21.7°C · 8.0 mm rain
- Dūmā in SeptemberSyria · 109 kmHigh 32.4°C · Low 17.3°C · 0.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tripoli) is explained once on the Tripoli, Lebanon year overview and on the Sources, method and limits page.