Klamath Falls in September
8.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Very dry: about 3 rainy days.
26°CAvg high
9°CAvg low
3Rainy days (13 mm)
12:16 hDaylight
06:53Sunrise · 19:09 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Very dry: about 3 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.4 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -3°C | 83 mm | 12 | – | – | 4.3 |
| February | 7°C | -3°C | 64 mm | 10 | – | – | 5.0 |
| March | 10°C | -1°C | 69 mm | 12 | – | – | 5.3 |
| April | 14°C | 1°C | 51 mm | 10 | – | – | 6.3 |
| May | 19°C | 5°C | 43 mm | 8 | – | – | 7.6 |
| June | 24°C | 9°C | 22 mm | 5 | – | – | 8.5 |
| July | 30°C | 13°C | 7 mm | 2 | – | – | 8.5 |
| August | 30°C | 12°C | 9 mm | 2 | – | – | 8.7 |
| September | 26°C | 9°C | 13 mm | 3 | – | – | 8.8 |
| October | 18°C | 4°C | 36 mm | 5 | – | – | 7.8 |
| November | 9°C | 0°C | 68 mm | 10 | – | – | 5.5 |
| December | 4°C | -3°C | 100 mm | 13 | – | – | 4.0 |
Frequently asked questions
How hot is Klamath Falls in September?
Daytime highs average 26°C and nights about 9°C.
When is the best time to visit Klamath Falls?
The best months are September, August, June, July.