What does URGENT mean?
I don't like the idea that you might expect to have your question answered before someone who is in front of you in the queue.
I suspect you should be using Serial.print() rather than Serial.write()
Have you written a simple program to read data from the DHT module and display it on the Arduino Serial Monitor without any Bluetooth complexity? If not, do that first.
...R
Serial Input Basics - simple reliable ways to receive data.