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
Weather in September
Temperature
September's beginning signals an average high-temperature of a still moderately hot 28.8°C (83.8°F), identical to August. Karainagar records a negligible downturn from daytime temperatures, averaging a low of 27.5°C (81.5°F) in the month of September.Heat index
In September, the average heat index is appraised at a tropical 34°C (93.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The months with the highest humidity in Karainagar, Sri Lanka, are May, August and September, with an average relative humidity of 79%.Rainfall
In Karainagar, in September, it is raining for 15.5 days, with typically 58mm (2.28") of accumulated precipitation. In Karainagar, Sri Lanka, during the entire year, the rain falls for 148.6 days and collects up to 769mm (30.28") of precipitation.Daylight
In Karainagar, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:01 and sunset at 18:19. On the last day of September, sunrise is at 05:58 and sunset at 18:01 +0530.
Sunshine
In Karainagar, the average sunshine in September is 10.2h.UV index
January through October and December, with an average maximum UV index of 7, are months with the highest UV index in Karainagar. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Karainagar in September?
What are the most humid months in Karainagar?
What is the average humidity in September in Karainagar?
How many days does it rain in September in Karainagar?
How many hours of daylight does Karainagar have in September?
When are sunrise and sunset in September in Karainagar?
How long on average sun shines in September in Karainagar?
When is the highest UV index in Karainagar?
What is the UV index reading in September in Karainagar?
Average temperature in September
Karainagar, Sri Lanka
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in September
Karainagar, Sri Lanka
- Average pressure in September: 1007.6mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in September
Karainagar, Sri Lanka
- Average wind speed in September: 28.3km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity in September
Karainagar, Sri Lanka
- Average humidity in September: 79%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in September
Karainagar, Sri Lanka
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in September
Karainagar, Sri Lanka
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average daylight in September /
Average sunshine in September
Karainagar, Sri Lanka
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Karainagar, Sri Lanka
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index in September
Karainagar, Sri Lanka
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in September
Karainagar, Sri Lanka
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in September
Karainagar, Sri Lanka
- 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).
Karainagar, Sri Lanka
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