pyproj
Cython wrapper to provide python interfaces to PROJ.4 (
http://trac.osgeo.org/proj/)
functions.
https://github.com/pyproj4/pyproj
Examples:
netCDF File Exploration with Unidata Tools and Python APIs
https://nbviewer.jupyter.org/github/julienchastang/netcdf-explore/blob/master/nc-explore.ipynb