Antananarivo in September

In September, Antananarivo averages 24°C (74°F) during the day and 12°C (53°F) at night, with around 7 days of rain (5 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.

September is a great month to visit Antananarivo: pleasant temperatures and relatively few wet days.

24°C
Avg high
12°C
Avg low
7
Rain days
5 mm
Rainfall

How September compares to the rest of the year in Antananarivo

8th
warmest month of the 12
12th
wettest month of the 12
0%
of yearly rainfall falls in September
11 h 58 min
daylight on the 15th

September is in the middle of the year for warmth in Antananarivo (8th of 12) and one of the driest months (12th of 12). Daytime temperature matches the city's annual average. September runs 2°C warmer than August (22°C) and warms a further 3°C into October (27°C).

September sunrise & sunset in Antananarivo

🌅
Sunrise (15th)
5:46 AM
🌇
Sunset (15th)
5:44 PM
Day length
11 h 58 min

Times shown for Antananarivo local time (Indian/Antananarivo), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Antananarivo — September

Golden-hour and blue-hour windows for the 15th of September, in Antananarivo's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:46 AM – 5:26 AM
🌄 Golden hour (AM)
5:26 AM – 6:26 AM
🌇 Golden hour (PM)
5:04 PM – 6:04 PM
🌆 Blue hour (PM)
6:04 PM – 6:44 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Antananarivo.

📅 When to book — Antananarivo 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 (High season) and Antananarivo's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — September in Antananarivo

High season

This is a busy month in Antananarivo — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — September in Antananarivo

☀️ UV Index (noon, 15th)
11.9
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●○○○
Low
Mosquitoes present but manageable. Pack repellent (DEET 10-20%) for evenings near water.

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.

Antananarivo in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 25°C / 78°F 17°C / 63°F 353 mm 28
February 25°C / 78°F 17°C / 62°F 240 mm 25
March 25°C / 77°F 17°C / 62°F 181 mm 25
April 24°C / 76°F 15°C / 60°F 47 mm 18
May 23°C / 73°F 13°C / 56°F 10 mm 12
June 20°C / 68°F 11°C / 52°F 14 mm 10
July 20°C / 67°F 10°C / 51°F 9 mm 11
August 22°C / 71°F 11°C / 51°F 9 mm 7
September 24°C / 74°F 12°C / 53°F 5 mm 7
October 27°C / 80°F 14°C / 58°F 42 mm 14
November 27°C / 80°F 16°C / 60°F 113 mm 20
December 26°C / 80°F 17°C / 62°F 207 mm 22

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Antananarivo in September →

Frequently asked questions

How hot is Antananarivo in September?

In September, Antananarivo averages a high of 24°C (74°F) and a low of 12°C (53°F) — generally warm.

Does it rain a lot in Antananarivo in September?

September sees occasional rain in Antananarivo, with about 7 rainy days on average.

Is September a good time to visit Antananarivo?

September is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Antananarivo in September?

Pack light layers for warm days and cooler evenings. See the full September packing list for Antananarivo for a complete, climate-based checklist.

Open Antananarivo on the interactive map

Check the live 10-day forecast and sunrise/sunset.