September weather forecastHarpanahalli, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Harpanahalli, is another warm month, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 20.7°C (69.3°F).Temperature
The arrival of September coincides with an average high-temperature of a still warm 28.5°C (83.3°F), indicating a minimal shift from August's 27.8°C (82°F). Harpanahalli records a consistent low-temperature of 20.7°C (69.3°F) during September nights.Heat index
Throughout September, the heat index is calculated to be a hot 34°C (93.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The months with the highest humidity in Harpanahalli are August and September, with an average relative humidity of 82%.Rainfall
In September, the rain falls for 14.6 days. Throughout September, 57mm (2.24") of precipitation is accumulated. Throughout the year, in Harpanahalli, there are 123.7 rainfall days, and 437mm (17.2") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 6:13 am and sunset at 6:38 pm. On the last day of September, sunrise is at 6:15 am and sunset at 6:16 pm IST.
Sunshine
In Harpanahalli, the average sunshine in September is 6.7h.UV index
The months with the lowest UV index are January, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harpanahalli, India
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is April (37.4°C).
The month with the lowest average high temperature is July (27.7°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is May (24.1°C).
The coldest months (with the lowest average low temperature) are January and December (18°C).
Average pressure in September
Harpanahalli, India
- Average pressure in September: 1009.2mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is June (1007.2mbar).
Average wind speed in September
Harpanahalli, India
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is July (21.8km/h).
The calmest month (with the lowest average wind speed) is March (10.1km/h).
Average humidity in September
Harpanahalli, India
- Average humidity in September: 82%
The months with the highest relative humidity are August and September (82%).
The month with the lowest relative humidity is February (40%).
Average rainfall in September
Harpanahalli, India
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is October (98mm).
The driest months (with the least rainfall) are January and February (2mm).
Average rainfall days in September
Harpanahalli, India
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is February (1.4 days).
Average daylight in September /
Average sunshine in September
Harpanahalli, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is July (Average sunshine: 3h and 54min).
Average sunshine days in September
Harpanahalli, India
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is January (29.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Harpanahalli, India
- Average UV index in September: 6
The month with the highest UV index is April (UV index 8).
The months with the lowest UV index are January, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Harpanahalli, India
- Average cloud cover in September: 62
The month with the most cloud cover is July (Cloud cover 79).
The month with the least cloud cover is February (Cloud cover 8).
Average visibility in September
Harpanahalli, India
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July and December (10km).
The months with the lowest visibility are August, September, October and November (9km).
