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
Uduthurai's shift into September sets the average high-temperature at a still warm 28.8°C (83.8°F), a figure that deviates only slightly from August's 29.3°C (84.7°F). In September, a low-temperature average of 27.6°C (81.7°F) is characteristic of Uduthurai, marking a minor shift from daytime temperatures.Heat index
The heat index in September is calculated to be a tropical 34°C (93.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
May and September, with an average relative humidity of 79%, are the most humid months.Rainfall
In Uduthurai, during September, the rain falls for 21.7 days and regularly aggregates up to 90mm (3.54") of precipitation. Throughout the year, in Uduthurai, there are 189.6 rainfall days, and 1106mm (43.54") of precipitation is accumulated.Daylight
In September, the average length of the day in Uduthurai is 12h and 11min.On the first day of September, sunrise is at 05:59 and sunset at 18:17. On the last day of the month, sunrise is at 05:56 and sunset at 17:59 +0530.
Sunshine
The average sunshine in September in Uduthurai is 10.4h.UV index
January through September and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot does it get in Uduthurai in September?
What are the most humid months in Uduthurai?
What is the average humidity in September in Uduthurai?
How much does it rain in Uduthurai in September?
What is the average length of the day in September in Uduthurai?
When are sunrise and sunset in September in Uduthurai?
How many hours of sunshine does Uduthurai have in September?
When is the highest UV index in Uduthurai?
What is the UV index reading in September in Uduthurai?
Average temperature in September
Uduthurai, Sri Lanka
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is May (30.7°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in September: 27.6°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
Uduthurai, 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 (1005.8mbar).
Average wind speed in September
Uduthurai, Sri Lanka
- Average wind speed in September: 27.2km/h
The windiest month (with the highest average wind speed) is June (32.9km/h).
The calmest month (with the lowest average wind speed) is April (16.3km/h).
Average humidity in September
Uduthurai, Sri Lanka
- Average humidity in September: 79%
The months with the highest relative humidity are May and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in September
Uduthurai, Sri Lanka
- Average rainfall in September: 90mm
The wettest months (with the highest rainfall) are October and November (257mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in September
Uduthurai, Sri Lanka
- Average rainfall days in September: 21.7 days
The month with the highest number of rainy days is October (25.1 days).
The months with the least rainy days are February and March (7.6 days).
Average daylight in September /
Average sunshine in September
Uduthurai, 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 2min
The months with the most sunshine are May and June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Uduthurai, Sri Lanka
- Average sunshine days in September: 6.6 days
The month with the most sunshine days is March (21.2 days).
The month with the least sunshine days is November (3.8 days).
Average UV index in September
Uduthurai, 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 and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover in September
Uduthurai, 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
Uduthurai, Sri Lanka
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Uduthurai, Sri Lanka
Weather forecast for your location
2. Allow the app to use your location
