Comparison site Broadband.co.uk has released its latest anecdotal monthly broadband speed testing results for the past month of September 2010, which saw the average UK ISP internet download speed remain fairly unchanged at 4.942Mbps.

Cable operator Virgin Media continues to be the fastest UK broadband provider for average download speeds, although its performance dropped sharply during September from 9.626Mbps in August to 9.053Mbps now (it reached 10.041Mbps in July 2010).

Popular ISP O2 ( Be Broadband ) remains in 2nd place on 5.385Mbps, which is also lower than their previous result of 5.806Mbps. However the biggest news this month is that Eclipse Internet has somehow managed to jump from 3.597Mbps to 5.046Mbps over the same period.

Top ISPs for Download Speed
1. Virgin Media – 9.053Mbps
2. O2 ( Be Broadband ) – 5.385Mbps
3. Eclipse Internet – 5.046Mbps
4. Sky Broadband – 4.049Mbps
5. BT – 3.812Mbps
6. TalkTalk ( Tiscali ) – 3.745Mbps
7. Orange – 2.985Mbps
8. PlusNet – 2.741Mbps
9. AOL – 2.553Mbps

Top ISPs for Upload Speed
1. O2 ( Be Broadband ) - 0.782Mbps
2. Virgin Media - 0.674Mbps
3. BT - 0.546Mbps
4. Sky Broadband - 0.516Mbps
5. Eclipse Internet - 0.486Mbps
6. TalkTalk ( Tiscali ) - 0.475Mbps
7. Orange - 0.404Mbps
8. AOL - 0.362Mbps
9. PlusNet - 0.341Mbps

Download speeds might have fallen this month, although the overall average UK upload speed has continued its slow climb from 0.533Mbps in August to 0.551Mbps in September. O2 ( Be Broadband ) continues to lead here but Virgin Media has just boosted all of its upload speeds and is soon expected to take the crown and come top of both lists. PlusNet , Orange and AOL UK really need to up their game.