September weather forecastSispur, Bangladesh
September
Weather in September
September, the first month of the autumn in Sispur, is also a hot month, with an average temperature fluctuating between 25.1°C (77.2°F) and 31.5°C (88.7°F).Temperature
September reports an average high-temperature of a still tropical 31.5°C (88.7°F), slightly varied from August's 31.8°C (89.2°F). In the month of September, Sispur's average low-temperature falls to a moderately hot 25.1°C (77.2°F).Heat index
September's average heat index is appraised at a scorching 44°C (111.2°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.Always consider that heat index estimations are for light winds and places in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The months with the highest humidity are July through September, with an average relative humidity of 84%.Rainfall
In Sispur, Bangladesh, during September, the rain falls for 25 days and regularly aggregates up to 134mm (5.28") of precipitation. In Sispur, during the entire year, the rain falls for 181.3 days and collects up to 1106mm (43.54") of precipitation.Daylight
In September, the average length of the day is 12h and 17min.On the first day of September, sunrise is at 5:37 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 5:43 pm +06.
Sunshine
In September, the average sunshine is 7.8h.UV index
March through September, 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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sispur, Bangladesh
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is April (35.3°C).
The months with the lowest average high temperature are January and December (25.8°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is June (26.3°C).
The coldest month (with the lowest average low temperature) is January (14°C).
Average pressure in September
Sispur, Bangladesh
- Average pressure in September: 1005.6mbar
The month with the highest atmospheric pressure is January (1014.4mbar).
The month with the lowest atmospheric pressure is July (1001.4mbar).
Average wind speed in September
Sispur, Bangladesh
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is July (13.6km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).
Average humidity in September
Sispur, Bangladesh
- Average humidity in September: 84%
The months with the highest relative humidity are July, August and September (84%).
The month with the lowest relative humidity is February (51%).
Average rainfall in September
Sispur, Bangladesh
- Average rainfall in September: 134mm
The wettest month (with the highest rainfall) is July (224mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
Sispur, Bangladesh
- Average rainfall days in September: 25 days
The month with the highest number of rainy days is July (27.3 days).
The month with the least rainy days is January (1.7 days).
Average daylight in September /
Average sunshine in September
Sispur, Bangladesh
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is April (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).
Average sunshine days in September
Sispur, Bangladesh
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is June (2.3 days).
Average UV index in September
Sispur, Bangladesh
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Sispur, Bangladesh
- Average cloud cover in September: 46
The month with the most cloud cover is July (Cloud cover 58).
The month with the least cloud cover is January (Cloud cover 6).
Average visibility in September
Sispur, Bangladesh
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (10km).
The month with the lowest visibility is September (8km).





