Lakes Route, stage 3: Luzern → Niederurnen
On stage 3 (Luzern → Niederurnen, 124 km) the best month is September: 70% of days were dry with highs of 10–30 °C; the wind barely favours either direction (0.4 km/h on average; ERA5 2006–2025, 9:00–18:00).
Weather by month
| Month | Good days | Rain days ≥ 1 mm | Rain, mm | Avg high | Days ≥ 30 °C | Days < 10 °C | Daylight, h |
|---|---|---|---|---|---|---|---|
| January | 5% | 27% | 110 | 3 °C | 0% | 94% | 8.9 † |
| February | 16% | 27% | 81 | 5 °C | 0% | 82% | 10.2 † |
| March | 38% | 31% | 101 | 9 °C | 0% | 54% | 11.8 |
| April | 57% | 33% | 108 | 14 °C | 0% | 26% | 13.5 |
| May | 53% | 46% | 165 | 17 °C | 0% | 8% | 15.1 |
| June | 54% | 43% | 162 | 22 °C | 3% | 0% | 15.9 |
| July | 54% | 40% | 163 | 23 °C | 7% | 0% | 15.6 |
| August | 58% | 36% | 171 | 23 °C | 6% | 0% | 14.2 |
| September | 70% | 30% | 127 | 19 °C | 0% | 2% | 12.5 |
| October | 65% | 26% | 105 | 14 °C | 0% | 18% | 10.8 † |
| November | 27% | 27% | 106 | 8 °C | 0% | 67% | 9.2 † |
| December | 5% | 31% | 118 | 4 °C | 0% | 93% | 8.5 † |
Best months are all months within 3 percentage points of the best one. † less than 11 hours of daylight — long stages get tight.
Wind by month
| Month | Wind Luzern → Niederurnen, km/h | Headwind > 15 km/h, Luzern → Niederurnen | Headwind > 15 km/h, Niederurnen → Luzern | Better way |
|---|---|---|---|---|
| January | +0.8 | 0% | 1% | either |
| February | +0.6 | 0% | 1% | either |
| March | +1.1 | 1% | 2% | either |
| April | +0.6 | 0% | 1% | either |
| May | +1.0 | 1% | 1% | either |
| June | +0.7 | 0% | 0% | either |
| July | +1.7 | 0% | 0% | either |
| August | +1.4 | 0% | 0% | either |
| September | +0.4 | 0% | 0% | either |
| October | +0.3 | 0% | 0% | either |
| November | +0.7 | 0% | 1% | either |
| December | +0.6 | 0% | 1% | either |
Along the route (sections of about 25 km)
| km | Heading | Tailwind in September, km/h |
|---|---|---|
| 250–276 | NE | −0.7 |
| 276–301 | SE | +1.9 |
| 301–326 | NE | 0.0 |
| 326–352 | NE | −0.9 |
| 352–374 | SE | +2.1 |
Other stages
- Montreux → Spiez 136 km
- Spiez → Luzern 115 km
- Luzern → Niederurnen 124 km
- Niederurnen → Rorschach 127 km
How to read the numbers
Wind is the 10 m wind of a 25-km grid cell, daytime hours 9:00–18:00 local solar time; at saddle height in a sheltered valley it is weaker, on a coast or ridge stronger. A positive value is a tailwind. ERA5 slightly over-counts days with ≥ 1 mm of rain (by about 5–7 percentage points) and underestimates daily highs by 1–2 °C. Good day = less than 1 mm of rain between 9:00 and 18:00 (riding hours, local solar time) and a high between 10 and 30 °C; rain at night or in the evening does not spoil it.