On the first night (eve) of every month, offer the following 2 Rakat prayer
In both Rakat - Sura Fatiha & Sura Anam (no 6) in each Rakat.

It is also recommended to offer the following 2 rakat Salat after seeing the moon of every lunar month, (or within 3 days & earlier the better)
Also give sadqa /charity & Inshallah for safety throughout the month.

Make Niyat (intention) of Ruyatil Hilal (sighting of moon)
In first Rakat recite after Sura Fatiha recite Sooral 112 Ikhlass 30 times
In the second rakat after Sura Fatiha recite Sooral 97 Qadr 30 times
After Salaam Recite the following Quranic Ayats :-

بِسْمِ ٱللَّهِ ٱلرَّحْمٰنِ ٱلرَّحِيمِ

bismi allahi alrrahmani alrrahimi
In the Name of Allah; the All-beneficent, the All-merciful.

وَمَا مِنْ دَابَّةٍ فِي ٱلارْضِ

wa ma min dabbatin fi al-ardi
And there is no animal in the earth

إِلاَّ عَلَىٰ ٱللَّهِ رِزْقُهَا

illa `ala allahi rizquha
but on Allah is the sustenance of it,

وَيَعْلَمُ مُسْتَقَرَّهَا وَمُسْتَوْدَعَهَا

wa ya`lamu mustaqarraha wa mustawda`aha
and He knows its resting place and its depository.

كُلٌّ فِي كِتَابٍ مُبِينٍ

kullun fi kitabin mubinin
All (things) are in a manifest book.

بِسْمِ ٱللَّهِ ٱلرَّحْمٰنِ ٱلرَّحِيمِ

bismi allahi alrrahmani alrrahimi
In the Name of Allah; the All-beneficent, the All-merciful;

وَإِنْ يَمْسَسْكَ ٱللَّهُ بِضُرٍّ فَلاَ كَاشِفَ لَهُ إِلاَّ هُوَ

wa in yamsaska allahu bidurrin fala kashifa lahu illa huwa
And if Allah should afflict you with harm, then there is none to remove it but He;

وَإِنْ يُرِدْكَ بِخَيْرٍ فَلاَ رَادَّ لِفَضْلِهِ

wa in yuridka bikhayrin fala radda lifadlihi
and if He intends good to you there is none to repel His grace;

يُصِيبُ بِهِ مَنْ يَشَاءُ مِنْ عِبَادِهِ

yusibu bihi man yasha'u min `ibadihi
He brings it to whom He pleases of His servants;

وَهُوَ ٱلْغَفُورُ ٱلرَّحِيمُ

wa huwa alghafuru alrrahimu
and He is the Forgiving, the Merciful.

بِسْمِ ٱللَّهِ ٱلرَّحْمٰنِ ٱلرَّحِيمِ

bismi allahi alrrahmani alrrahimi
In the Name of Allah; the All-beneficent, the All-merciful;

سَيَجْعَلُ ٱللَّهُ بَعْدَ عُسْرٍ يُسْراً

sayaj`alu allahu ba`da `usrin yusran
Allah brings about ease after difficulty.

مَا شَاءَ ٱللَّهُ

ma sha'a allahu
Only that which Allah will shall come to pass.

لاَ قُوَّةَ إِلاَّ بِٱللَّهِ

la quwwata illa billahi
There is no power save in Allah.

حَسْبُنَا ٱللَّهُ وَنِعْمَ ٱلْوَكِيلُ

hasbuna allahu wa ni`ma alwakilu
Allah is sufficient for us and most excellent is the Protector.

وافَوِّضُ امْرِي

wa ufawwidu amri ila allahi
And I entrust my affair to Allah.

إِنَّ ٱللَّهَ بَصِيرٌ بِٱلْعِبَادِ

inna allaha basirun bil`ibadi
Surely, Allah sees the servants.

لاَ إِلٰهَ إِلاَّ انْتَ سُبْحَانَكَ

la ilaha illa anta subhanaka
There is no god but You. All glory be to You.

إِنِّي كُنْتُ مِنَ ٱلظَّالِمِينَ

inni kuntu min alzzalimina
Verily, I have been a wrongdoer.

رَبِّ إِنِّي لِمَا انْزَلْتَ إِلَيَّ مِنْ خَيْرٍ فَقِيرٌ

rabbi inni lima anzalta ilayya min khayrin faqirun
O Lord, surely I stand in need of whatever good You may send down to me.

رَبِّ لاَ تَذَرْنِي فَرْداً وَانْتَ خَيْرُ ٱلْوَارِثِينَ

rabbi la tadharni fardan wa anta khayru alwarithina
O my Lord, leave me not alone; and You are the best of inheritors.