Climate guide for Byblos, Lebanon

Byblos in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Lebanon

Best time to visit Byblos in September Weather, crowds & prices

Weather in Byblos in September

Average temperature 25°C, 3 mm of rain, about 27 days with 6+ hours of sunshine and 62% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.4/10

Ranked #6 of 12 months

Full year for Byblos
Avg temp
25°C
Rainfall
3 mm
Humidity
62%
Days with 6h+ sun
27
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Byblos scores 8.4/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 25°C, 3 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Byblos is a Lebanese coastal town with a Crusader castle above Phoenician and Roman ruins and a small harbour.

September holds up well in Byblos — 6th best month

At 25°C (78°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

At just 3 mm for the month, rain will not shape your plans; you get about 27 days with 6+ hours of sunshine and 12.2 hours of daylight.

That is 8.4/10 on the same scale — 6th of 12 months, versus 10/10 for the best month here.

Pack light clothing, a hat and real sun protection.

Budget for mid-season pricing, and crowds are moderate.

If your dates are flexible, May is materially better in Byblos — 1.6 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Byblos in September?
In September, Byblos averages 25°C, 3 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
Is September a good time to visit Byblos?
September earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Byblos in September?
Expect about 3 mm of rain in September. Average humidity is 62% and there are about 27 days with 6+ hours of sunshine.

Curated in Byblos

Tickets & experiences

Things to do in Byblos

Byblos, Lebanon. Live activities and tours from GetYourGuide, matched to this destination.