September weather forecastItanagar, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is also a moderately hot month in Itanagar, India, with an average temperature ranging between min 21.1°C (70°F) and max 28.2°C (82.8°F).Temperature
The dawn of September sees an average high-temperature of a still warm 28.2°C (82.8°F), subtly contrasting with August's 29°C (84.2°F). In Itanagar, September's nights observe an average temperature dip to a pleasant 21.1°C (70°F).Heat index
The heat index for September is computed to be a hot 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Itanagar, the average relative humidity in September is 86%.Rainfall
In Itanagar, during September, the rain falls for 28.9 days and regularly aggregates up to 264mm (10.39") of precipitation. Throughout the year, in Itanagar, India, there are 264.5 rainfall days, and 2237mm (88.07") of precipitation is accumulated.Daylight
In Itanagar, India, the average length of the day in September is 12h and 19min.On the first day of September in Itanagar, sunrise is at 4:54 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 5:03 pm IST.
Sunshine
In Itanagar, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Itanagar, India
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (19.8°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).
Average pressure in September
Itanagar, India
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is July (1003.6mbar).
Average wind speed in September
Itanagar, India
- Average wind speed in September: 4.1km/h
The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are August and September (4.1km/h).
Average humidity in September
Itanagar, India
- Average humidity in September: 86%
The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is March (64%).
Average rainfall in September
Itanagar, India
- Average rainfall in September: 264mm
The wettest month (with the highest rainfall) is July (535mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
Itanagar, India
- Average rainfall days in September: 28.9 days
The month with the highest number of rainy days is July (30.6 days).
The month with the least rainy days is January (10.4 days).
Average daylight in September /
Average sunshine in September
Itanagar, India
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Itanagar, India
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is January (14.4 days).
The month with the least sunshine days is June (0.1 days).
Average UV index in September
Itanagar, India
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Itanagar, India
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 59).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in September
Itanagar, India
- Average visibility in September: 8km
The months with the highest visibility are February and March (10km).
The month with the lowest visibility is July (7km).
