Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The commencement of September records an average high-temperature of a still moderately hot 24.5°C (76.1°F), barely varying from August's 23.4°C (74.1°F). A mean low-temperature of 19.7°C (67.5°F) is a distinguishing feature of September, indicating a slight dip from daytime highs.Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 24mm (0.94") of precipitation.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:00 and sunset at 17:39. On the last day of September, sunrise is at 05:31 and sunset at 17:49 EAT.
Sunshine
The average sunshine in September in Isahara is 8h.UV index
The months with the lowest UV index in Isahara are March through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Isahara?
What are the least humid months in Isahara?
What is the average humidity in September in Isahara?
What is the driest month in Isahara?
How much does it rain in Isahara in September?
What is the average length of the day in September in Isahara?
When are sunrise and sunset in September in Isahara?
How many hours of sunshine does Isahara have in September?
When is the lowest UV index in Isahara?
What is the UV index reading in September in Isahara?
Average temperature in September
Isahara, Madagascar
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is January (28.7°C).
The month with the lowest average high temperature is July (22.8°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is January (24.3°C).
The coldest month (with the lowest average low temperature) is July (18.4°C).
Average pressure in September
Isahara, Madagascar
- Average pressure in September: 1020.9mbar
The month with the highest atmospheric pressure is July (1022.6mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).
Average wind speed in September
Isahara, Madagascar
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is October (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).
Average humidity in September
Isahara, Madagascar
- Average humidity in September: 78%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in September
Isahara, Madagascar
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is January (151mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Isahara, Madagascar
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is January (22 days).
The month with the least rainy days is September (12.2 days).
Average daylight in September /
Average sunshine in September
Isahara, Madagascar
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
Isahara, Madagascar
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
Isahara, Madagascar
- Average UV index in September: 6
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Isahara, Madagascar
- Average cloud cover in September: 37
The months with the most cloud cover are March and November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Isahara, Madagascar
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
