September weather forecastHiriyur, India
September
Weather in September
The last month of the rainy (monsoon) season, September, is another warm month in Hiriyur, India, with an average temperature varying between 21.3°C (70.3°F) and 29.1°C (84.4°F).Temperature
The onset of September brings an average high-temperature of a still warm 29.1°C (84.4°F), nearly matching the August temperature. In Hiriyur, the average nighttime temperature during September is a pleasant 21.3°C (70.3°F).Heat index
The heat index for September is evaluated at a hot 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
August and September, with an average relative humidity of 73%, are the most humid months in Hiriyur.Rainfall
In Hiriyur, in September, during 22.6 rainfall days, 93mm (3.66") of precipitation is typically accumulated. In Hiriyur, India, during the entire year, the rain falls for 155.1 days and collects up to 629mm (24.76") of precipitation.Daylight
The average length of the day in September in Hiriyur, India, is 12h and 13min.On the first day of September in Hiriyur, sunrise is at 6:11 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 6:13 pm IST.
Sunshine
The average sunshine in September is 7.9h.UV index
January, July through December, with an average maximum UV index of 6, are months with the lowest UV index in Hiriyur, India. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 during September translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hiriyur, India
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is April (36.6°C).
The month with the lowest average high temperature is December (27.5°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are April and May (24.9°C).
The coldest month (with the lowest average low temperature) is January (17.6°C).
Average pressure in September
Hiriyur, India
- Average pressure in September: 1009.4mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).
Average wind speed in September
Hiriyur, India
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is July (24km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).
Average humidity in September
Hiriyur, India
- Average humidity in September: 73%
The months with the highest relative humidity are August and September (73%).
The month with the lowest relative humidity is March (35%).
Average rainfall in September
Hiriyur, India
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is October (127mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in September
Hiriyur, India
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is February (2.3 days).
Average daylight in September /
Average sunshine in September
Hiriyur, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).
Average sunshine days in September
Hiriyur, India
- Average sunshine days in September: 5.2 days
The month with the most sunshine days is January (28.3 days).
The month with the least sunshine days is August (3.7 days).
Average UV index in September
Hiriyur, India
- Average UV index in September: 6
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are January, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Hiriyur, India
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 62).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in September
Hiriyur, India
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (10km).
The months with the lowest visibility are September, October and November (9km).





