The GR 221 in September: warnings stage by stage
GR 221 in September, 8 stages. September warnings 2019–2025; updated 27 October 2026.
If you walk the whole route in September, expect around 2.4 warning days on your stage, on average. It's number 11 of 12 for fewest warnings.
2.4
warning days
in 8 stages, on average
30%
of stage-days with a warning
year average: 22%
1.1
orange or red days
in 8 stages, on average
Rain
the most common warning
in September
Stage by stage in September
Share of September days with some warning in each stage's zones, 2019–2025; the colour is each day's highest level.
Which warnings come in September
Stage-days with a warning of each kind in September, on average; a day can have several.
Section by section in September
| Section | Warning days | Most common |
|---|---|---|
| West | 1.1 over 4 stages | rain and storms |
| Northern Tramuntana | 1.3 over 4 stages | rain and storms |
The worst September days on the GR 221
- red10 September 2019: red warning on 8 of 8 stages, for rain, storms and wind · the episode
- red11 September 2019: red warning on 8 of 8 stages, for rain, storms and wind · the episode
- red13 September 2019: red warning on 8 of 8 stages, for rain, storms and wind · the episode
- orange9 September 2018: orange warning on 8 of 8 stages, for rain and storms · the episode
- orange10 September 2018: orange warning on 8 of 8 stages, for rain and storms · the episode
- orange7 September 2020: orange warning on 8 of 8 stages, for rain and storms
- orange8 September 2020: orange warning on 8 of 8 stages, for rain and storms
- orange25 September 2020: orange warning on 8 of 8 stages, for wind
Frequently asked questions
Is September a good month to walk the GR 221?
By warnings, September is number 11 of 12 for calm: on average, 2.4 warning days walking the 8 stages. The section with the most warnings in September is Northern Tramuntana; the fewest, West.
Which warnings are there on the GR 221 in September?
Mostly for rain and storms. Orange or red shows up on 1.1 stage-days in September, on average.
This is not a forecast: it counts the warnings AEMET issued on those dates in past years. A warning is a forecast that a threshold will be crossed in the zone, not damage.