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Sylt in October: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Sylt in October is climatically mixed. The average daily high is around 13 °C, and the sea is about 13 °C. With about 17 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
24/100 · #8
Warmth
#5
Dryness
#12
Sun
#8
Sea warmth
#5
Published best categories: none
Sylt · OctoberPhoto: Sebastian Martin Dicke · CC BY-SA 4.0Climate facts
- Average high
- 13 °C
- Average low
- 11 °C
- Sea
- 13 °C
- Rainy days (est.)
- 17 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| September | 17 | 15 | 15 | 84 | 3.6 | 82 | 6.0 | 16 | 42 |
| October (selected) | 13 | 11 | 17 | 99 | 1.9 | 84 | 6.7 | 13 | 24 |
| November | 9 | 7 | 17 | 89 | 0.8 | 86 | 6.9 | 9 | 17 |
How do the previous and next months compare?
Baseline: October (24/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| September | +18 | +3.7 °C | +3.6 °C | -2.6 | -15.4 mm | +1.7 h | -1.4 % | -0.7 m/s | +3.7 °C |
| November | -7 | -3.9 °C | -3.9 °C | -0.1 | -9.9 mm | -1.1 h | +2.4 % | +0.2 m/s | -3.7 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Sylt in October?
The average daily high is around 13 °C, with an average daily low of about 11 °C.
Can you swim in Sylt in October?
The sea is about 13 °C (cold).
Does it rain a lot in Sylt in October?
The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 99 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Sylt?
No month in Sylt reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.