Neunkirchen (; ) is a municipality in the Siegen-Wittgenstein district, in North Rhine-Westphalia, Germany.
Neunkirchen had its first documentary mention on 23 August 1288.
Neunkirchen lies on the river Heller, about 10 km south of Siegen.
Neunkirchen neighbours the communities of Burbach, Wilnsdorf, Herdorf and Daaden.
Neunkirchen consists of the following centres:
Until 1 January 1969 all these places were independent municipalities, before they were all merged to form today's greater community of Neunkirchen.
Neunkirchen's climate is classified as oceanic (Köppen: Cfb; Trewartha: Dobk). The average annual temperature in Neunkirchen is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around .
The Neunkirchen weather station has recorded the following extreme values:
The council's 28 seats are apportioned thus, in accordance with municipal elections held on 26 September 2004:
<small>Note: UWG is a citizens' coalition.</small>
Neunkirchen's civic coat of arms might be described thus: Or three lozenges in bend sable.
The greater community's current arms are the same as those formerly borne by Altenseelbach before amalgamation. They were adopted as Neunkirchen's arms in 1969. The charge of the three lozenges comes from the arms borne by the Lords of Seelbach in the Middle Ages. A similar charge â in the same colours â can be seen in nearby Burbach's arms.http://www.ngw.nl/int/dld/n/neunkir1.htm
Otto Braun: 700 Jahre Neunkirchen. Neunkirchen 1988.