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
Jalahalli, India, experiences a subtle adjustment in high-temperatures to a still moderately hot 27.8°C (82°F) with the onset of September, maintaining near parity with August's 28°C (82.4°F). Jalahalli observes an average nighttime temperature of 19.6°C (67.3°F) during September.Heat index
The average heat index in September is computed to be a hot 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 77%.Rainfall
In Jalahalli, during September, the rain falls for 23 days and regularly aggregates up to 116mm (4.57") of precipitation. Throughout the year, there are 181.1 rainfall days, and 773mm (30.43") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 6:08 am and sunset at 6:30 pm. On the last day of September, sunrise is at 6:09 am and sunset at 6:10 pm IST.
Sunshine
In September, the average sunshine is 7.8h.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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during September translates into the following guidance:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What are the most humid months?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Jalahalli have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Jalahalli have in September?
When is the lowest UV index?
How high is the UV index in September in Jalahalli?
Average temperature in September
Jalahalli, India
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is April (35°C).
The month with the lowest average high temperature is December (26.4°C).
- Average low temperature in September: 19.6°C
The month with the highest average low temperature is May (23.1°C).
The coldest month (with the lowest average low temperature) is January (15.8°C).
Average pressure in September
Jalahalli, India
- Average pressure in September: 1009.3mbar
The month with the highest atmospheric pressure is January (1014.4mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).
Average wind speed in September
Jalahalli, India
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is July (19km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in September
Jalahalli, India
- Average humidity in September: 77%
The months with the highest relative humidity are September and October (77%).
The month with the lowest relative humidity is March (44%).
Average rainfall in September
Jalahalli, India
- Average rainfall in September: 116mm
The wettest month (with the highest rainfall) is October (140mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in September
Jalahalli, India
- Average rainfall days in September: 23 days
The month with the highest number of rainy days is August (24.1 days).
The month with the least rainy days is February (2.7 days).
Average daylight in September /
Average sunshine in September
Jalahalli, India
- Average daylight in September: 12h and 1min
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 24min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Jalahalli, India
- Average sunshine days in September: 4.6 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is August (4.5 days).
Average UV index in September
Jalahalli, India
- Average UV index in September: 6
The months with the highest UV index are February, March, April and May (UV index 7).
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
Jalahalli, India
- Average cloud cover in September: 52
The month with the most cloud cover is August (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 12).
Average visibility in September
Jalahalli, India
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May and June (10km).
The months with the lowest visibility are October and November (8km).
