September weather forecastAntananarivo, Madagascar

Weather in September

September reflects a transition in Antananarivo's climate, from cooler to slightly warmer temperatures. As the month progresses, a steady increase in the length of day and rise in temperature is observed. The September sun is quite strong, making it necessary to wear protection during daytime. The distinct change in weather from August offers a fresh, invigorating feel to the air. The relatively dry weather is a break from sporadic showers of the previous months, making it an excellent time to explore the outdoors.

Temperature

As Antananarivo welcomes September, the average high-temperature stabilizes at a warm 23.6°C (74.5°F), showing little deviation from August's 21°C (69.8°F). Antananarivo experiences a significant contrast between daily highs and an average nighttime temperature of 10.6°C (51.1°F) during September.

Humidity

In Antananarivo, the average relative humidity in September is 70.5%.

Rainfall

In September, the rain falls for 1 days. Throughout September, 11mm (0.43") of precipitation is accumulated. In Antananarivo, during the entire year, the rain falls for 90 days and collects up to 1456mm (57.32") of precipitation.

Daylight

In September, the average length of the day in Antananarivo is 11h and 59min.
On the first day of September, sunrise is at 05:57 and sunset at 17:42. On the last day of the month, sunrise is at 05:32 and sunset at 17:47 EAT.

Sunshine

With an average of 8.3h of sunshine, September has the most sunshine of the year in Antananarivo.

UV index

In Antananarivo, the average daily maximum UV index in September is 11. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 11 transforms into the following advice:
Carry out every crucial safety measure. People with fair skin may sustain burns in fewer than 5 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.