Frequently the weather in Kathmandu during September is 20. With the average high being 27 with lows of 16. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 27 |
| Low Temperature | 16 |
| Sunshine Per Day | 9 |
Useful Links: Kathmandu Weather: Average Weather & Yearly Climate