September weather forecast
Rajshahi, Bangladesh

As September comes around in Rajshahi, Bangladesh, the monsoon season begins to taper off. There is a noticeable decrease in the frequency of rain, and subsequent humidity levels begin to decline. Sunshine hours increase, offering beautiful sunlit days, perfect for exploration. Rajshahi continues to enjoy low UV index levels, posing minimal risk of sunburns. The downturn in the intensity of the monsoon provides a refreshing start to the autumn season.

Temperature

September's weather records an average high-temperature of a still hot 32.3°C (90.1°F), showing little deviation from August. Throughout the month of September, the average temperature dips to a warm 25.9°C (78.6°F) at night.

Heat index

For most parts of September, the heat index is estimated at a blazing hot 45°C (113°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Rajshahi, during September, the rain falls for 11 days and regularly aggregates up to 234mm (9.21") of precipitation. Throughout the year, in Rajshahi, there are 68 rainfall days, and 1419mm (55.87") of precipitation is accumulated.

Daylight

The average length of the day in September in Rajshahi is 12h and 17min.
On the first day of the month, sunrise is at 5:46 am and sunset at 6:23 pm. On the last day of September, sunrise is at 5:57 am and sunset at 5:53 pm +06.

Sunshine

In September, the average sunshine is 4h.

UV index

In Rajshahi, the average daily maximum UV index in September is 11. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 11 in September transforms into this advice:
Employ all critical precautions. Guarding against sun damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Even on a cloudy day, sunscreen with a minimum SPF of 30 should be used liberally and reapplied often, especially after a swim or outdoor activity.