Greece
Crete in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Crete in September is climatically well suited to family holidays, beach holidays, city breaks and active holidays and hiking. The average daily high is around 26 °C, and the sea is about 25 °C. With about 5 rainy days it is dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
93/100 · #1
Warmth
#3
Dryness
#5
Sun
#6
Sea warmth
#3
Published best categories: Overall, Beach, City break, Family
Crete · SeptemberPhoto: Ввласенко · CC BY-SA 3.0Climate facts
- Average high
- 26 °C
- Average low
- 22 °C
- Sea
- 25 °C
- Rainy days (est.)
- 5 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 68 %
For your trip planning
September or October: swimming changes the choice
September has the clearly higher overall score, warmer water, higher daytime highs and fewer rainy days than October. That strongly favours September for swimming. If cooler sightseeing days matter more, October remains an option, with more frequent rain.
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 |
|---|---|---|---|---|---|---|---|---|---|
| August | 28 | 24 | 1 | 4 | 8.6 | 70 | 4.9 | 26 | 91 |
| September (selected) | 26 | 22 | 5 | 18 | 7.0 | 68 | 4.4 | 25 | 93 |
| October | 23 | 20 | 9 | 45 | 5.0 | 72 | 4.2 | 23 | 83 |
How do the previous and next months compare?
Baseline: September (93/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| August | -2 | +1.8 °C | +1.7 °C | -3.4 | -13.5 mm | +1.6 h | +1.2 % | +0.5 m/s | +0.8 °C |
| October | -10 | -3.2 °C | -3 °C | +4.5 | +27.6 mm | -2 h | +3.1 % | -0.3 m/s | -2 °C |
All twelve months in context
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Where to stay in Crete
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Useful next decisions
Frequently asked questions
How warm is Crete in September?
The average daily high is around 26 °C, with an average daily low of about 22 °C.
Can you swim in Crete in September?
The sea is about 25 °C (warm).
Does it rain a lot in Crete in September?
The curated estimate is about 5 rainy days per month, not a directly measured long-term average. Total precipitation averages around 18 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Crete?
By the climate score, June, July, August and September are the strongest months for Crete. For a beach trip: June, July, August and September. September is one of them.