September weather forecastKalaiya, Nepal
September
Weather in September
The first month of the autumn, September, is still a tropical month in Kalaiya, Nepal, with an average temperature varying between 33.5°C (92.3°F) and 25.1°C (77.2°F).Temperature
The shift into September finds Kalaiya at an average high-temperature of a still hot 33.5°C (92.3°F), closely comparable to August's conditions. In Kalaiya, an average nighttime temperature of 25.1°C (77.2°F) is expected during September.Heat index
For most parts of September, the heat index is computed to be a burning hot 46°C (114.8°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Observations indicate that the heat index values are for shady locations with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
September is the most humid month, with an average relative humidity of 72%.Rainfall
In September, the rain falls for 16.3 days. Throughout September, 104mm (4.09") of precipitation is accumulated. In Kalaiya, during the entire year, the rain falls for 105.8 days and collects up to 719mm (28.31") of precipitation.Daylight
The average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 5:44 am and sunset at 6:25 pm. On the last day of September, sunrise is at 5:57 am and sunset at 5:52 pm +0545.
Sunshine
In September, the average sunshine is 10.1h.UV index
In Kalaiya, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalaiya, Nepal
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is May (39.1°C).
The month with the lowest average high temperature is January (23.7°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is June (28.9°C).
The coldest month (with the lowest average low temperature) is January (11°C).
Average pressure in September
Kalaiya, Nepal
- Average pressure in September: 1006.2mbar
The month with the highest atmospheric pressure is January (1016.1mbar).
The month with the lowest atmospheric pressure is June (1000.9mbar).
Average wind speed in September
Kalaiya, Nepal
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is July (11.8km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in September
Kalaiya, Nepal
- Average humidity in September: 72%
The month with the highest relative humidity is September (72%).
The month with the lowest relative humidity is April (28%).
Average rainfall in September
Kalaiya, Nepal
- Average rainfall in September: 104mm
The wettest month (with the highest rainfall) is July (259mm).
The driest month (with the least rainfall) is November (1mm).
Average rainfall days in September
Kalaiya, Nepal
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (23.6 days).
The month with the least rainy days is November (1 days).
Average daylight in September /
Average sunshine in September
Kalaiya, Nepal
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is April (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Kalaiya, Nepal
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is December (29 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in September
Kalaiya, Nepal
- Average UV index in September: 7
The months with the highest UV index are April, May, June and August (UV index 8).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Kalaiya, Nepal
- Average cloud cover in September: 35
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is November (Cloud cover 6).
Average visibility in September
Kalaiya, Nepal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
