Beirut in September
In September, Beirut averages 30°C (86°F) during the day and 23°C (74°F) at night, with around 5 days of rain (7 mm total).
ShoulderConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
September in Beirut is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Beirut
September is one of the warmest months in Beirut (3rd of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 6°C above the annual average (24°C). September runs 1°C cooler than August (31°C) and cools 3°C in October (27°C).
September sunrise & sunset in Beirut
Times shown for Beirut local time (Asia/Beirut), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Beirut — September
Golden-hour and blue-hour windows for the 15th of September, in Beirut's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Beirut in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Beirut's popularity.
Crowds & pricing — September in Beirut
Beirut is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Beirut
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Beirut — September
Across the year Beirut's sea swings from 18.6°C (February) to 30.7°C (August) — September sits at 29.7°C.
Beirut in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 16°C / 61°F | 10°C / 49°F | 158 mm | 17 | — |
| February | 17°C / 63°F | 10°C / 50°F | 115 mm | 14 | — |
| March | 19°C / 66°F | 12°C / 53°F | 117 mm | 17 | — |
| April | 23°C / 73°F | 14°C / 58°F | 36 mm | 9 | — |
| May | 26°C / 79°F | 18°C / 65°F | 24 mm | 8 | — |
| June | 28°C / 83°F | 21°C / 70°F | 6 mm | 4 | — |
| July | 31°C / 88°F | 24°C / 75°F | 1 mm | 2 | — |
| August | 31°C / 89°F | 25°C / 76°F | 3 mm | 3 | — |
| September | 30°C / 86°F | 23°C / 74°F | 7 mm | 5 | — |
| October | 27°C / 81°F | 20°C / 68°F | 41 mm | 10 | — |
| November | 23°C / 73°F | 16°C / 60°F | 76 mm | 12 | — |
| December | 19°C / 66°F | 12°C / 53°F | 123 mm | 14 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Beirut in September →
Frequently asked questions
How hot is Beirut in September?
In September, Beirut averages a high of 30°C (86°F) and a low of 23°C (74°F) — generally hot.
Does it rain a lot in Beirut in September?
September sees occasional rain in Beirut, with about 5 rainy days on average.
Is September a good time to visit Beirut?
September is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Beirut in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Beirut for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.