Zakynthos weather in September
In September, Zakynthos sees average daytime highs of 25°C and overnight lows near 23°C, with 66 mm of rain across 6.6 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.
Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 77% of the time in September, and the air most often feels muggy.
Daylight stretches from about 12 h 54 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Zakynthos's 4th-clearest and 10th-windiest month. For the whole year in context, see Zakynthos's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 23°
- 10th coldest
- Rainfall
- 66 mm
- 6.6 wet days
- Daylight
- 12 h 12 min
- 6:24 AM – 6:38 PM
- Cloud cover
- 25%
- 4th clearest
- Wind
- 16 km/h
- 10th windiest
- Solar energy
- 5.19 kWh/m²
- Travel score
- 8.1
- out of 10
Zakynthos is city on the island of Zakynthos, Ionian Islands, Greece.
- Density
- 251/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 26°C in the first days to 23°C by the end.
A typical September day in Zakynthos reaches about 25°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 24 |
| 2 | 26 | 24 |
| 3 | 26 | 24 |
| 4 | 26 | 24 |
| 5 | 26 | 24 |
| 6 | 25 | 24 |
| 7 | 25 | 24 |
| 8 | 25 | 24 |
| 9 | 25 | 24 |
| 10 | 25 | 23 |
| 11 | 25 | 23 |
| 12 | 25 | 23 |
| 13 | 25 | 23 |
| 14 | 25 | 23 |
| 15 | 25 | 23 |
| 16 | 25 | 23 |
| 17 | 24 | 23 |
| 18 | 24 | 23 |
| 19 | 24 | 22 |
| 20 | 24 | 22 |
| 21 | 24 | 22 |
| 22 | 24 | 22 |
| 23 | 24 | 22 |
| 24 | 24 | 22 |
| 25 | 24 | 22 |
| 26 | 24 | 22 |
| 27 | 24 | 22 |
| 28 | 23 | 22 |
| 29 | 23 | 21 |
| 30 | 23 | 21 |
Zakynthos weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 12° | 162 | 13.9 | 9.7 | 3.7 |
| Feb | 14° / 12° | 116 | 12.1 | 10.5 | 3.8 |
| Mar | 15° / 12° | 82 | 9.9 | 11.7 | 4.6 |
| Apr | 17° / 15° | 41 | 6.2 | 12.9 | 6.0 |
| May | 20° / 18° | 18 | 3.7 | 14 | 7.7 |
| Jun | 23° / 22° | 11 | 1.4 | 14.6 | 9.1 |
| Jul | 25° / 24° | 6 | 0.5 | 14.3 | 9.5 |
| Aug | 26° / 25° | 6 | 1 | 13.5 | 9.1 |
| Sep | 25° / 23° | 66 | 6.6 | 12.3 | 8.1 |
| Oct | 22° / 20° | 114 | 8.9 | 11 | 7.2 |
| Nov | 19° / 16° | 181 | 12.6 | 10 | 5.7 |
| Dec | 15° / 13° | 181 | 14.8 | 9.4 | 4.3 |
Cloud cover in September
The sky is clear or mostly clear about 77% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 95 | 94 | 94 | 93 | 93 | 91 | 91 | 91 | 90 | 90 | 89 | 88 | 88 | 88 | 87 | 86 | 86 | 86 | 84 | 84 | 84 | 82 | 82 | 81 | 81 | 79 | 79 | 78 | 77 | 77 |
| Cloudier (%) | 5 | 6 | 6 | 7 | 7 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 16 | 16 | 16 | 18 | 18 | 19 | 19 | 21 | 21 | 22 | 23 | 23 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 95 | 5 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 91 | 9 |
| 7 | 91 | 9 |
| 8 | 91 | 9 |
| 9 | 90 | 10 |
| 10 | 90 | 10 |
| 11 | 89 | 11 |
| 12 | 88 | 12 |
| 13 | 88 | 12 |
| 14 | 88 | 12 |
| 15 | 87 | 13 |
| 16 | 86 | 14 |
| 17 | 86 | 14 |
| 18 | 86 | 14 |
| 19 | 84 | 16 |
| 20 | 84 | 16 |
| 21 | 84 | 16 |
| 22 | 82 | 18 |
| 23 | 82 | 18 |
| 24 | 81 | 19 |
| 25 | 81 | 19 |
| 26 | 79 | 21 |
| 27 | 79 | 21 |
| 28 | 78 | 22 |
| 29 | 77 | 23 |
| 30 | 77 | 23 |
Chance of precipitation in September
Zakynthos gets around 66 mm of rain over 6.6 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 21% and peaks near 26% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 13 |
| 3 | 14 |
| 4 | 15 |
| 5 | 15 |
| 6 | 16 |
| 7 | 17 |
| 8 | 18 |
| 9 | 18 |
| 10 | 19 |
| 11 | 19 |
| 12 | 20 |
| 13 | 20 |
| 14 | 21 |
| 15 | 22 |
| 16 | 22 |
| 17 | 23 |
| 18 | 24 |
| 19 | 24 |
| 20 | 25 |
| 21 | 25 |
| 22 | 25 |
| 23 | 25 |
| 24 | 26 |
| 25 | 25 |
| 26 | 25 |
| 27 | 25 |
| 28 | 25 |
| 29 | 25 |
| 30 | 25 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 |
| Comfortable (%) | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 21 |
| Humid (%) | 10 | 10 | 11 | 13 | 14 | 15 | 16 | 18 | 19 | 20 | 21 | 22 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 35 | 35 | 36 |
| Muggy (%) | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 41 | 42 | 43 | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 38 | 37 | 36 | 35 | 34 | 32 | 31 | 30 | 30 |
| Oppressive (%) | 47 | 45 | 43 | 40 | 38 | 36 | 33 | 31 | 29 | 27 | 25 | 24 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 5 | 10 | 36 | 47 | 1 |
| 2 | 1 | 5 | 10 | 37 | 45 | 1 |
| 3 | 1 | 6 | 11 | 38 | 43 | 1 |
| 4 | 1 | 6 | 13 | 39 | 40 | 1 |
| 5 | 1 | 7 | 14 | 40 | 38 | 1 |
| 6 | 1 | 7 | 15 | 40 | 36 | 1 |
| 7 | 1 | 7 | 16 | 41 | 33 | 1 |
| 8 | 2 | 8 | 18 | 41 | 31 | 1 |
| 9 | 2 | 8 | 19 | 42 | 29 | 0 |
| 10 | 2 | 8 | 20 | 43 | 27 | 0 |
| 11 | 2 | 8 | 21 | 43 | 25 | 0 |
| 12 | 2 | 8 | 22 | 43 | 24 | 0 |
| 13 | 2 | 9 | 24 | 44 | 22 | 0 |
| 14 | 2 | 9 | 25 | 44 | 20 | 0 |
| 15 | 2 | 9 | 26 | 44 | 19 | 0 |
| 16 | 2 | 10 | 27 | 43 | 17 | 0 |
| 17 | 2 | 10 | 28 | 43 | 16 | 0 |
| 18 | 3 | 11 | 29 | 42 | 15 | 0 |
| 19 | 3 | 12 | 30 | 41 | 14 | 0 |
| 20 | 4 | 12 | 31 | 41 | 13 | 0 |
| 21 | 4 | 14 | 31 | 40 | 12 | 0 |
| 22 | 5 | 15 | 31 | 38 | 11 | 0 |
| 23 | 5 | 16 | 32 | 37 | 10 | 0 |
| 24 | 5 | 17 | 32 | 36 | 9 | 0 |
| 25 | 6 | 18 | 33 | 35 | 9 | 0 |
| 26 | 6 | 19 | 33 | 34 | 8 | 0 |
| 27 | 7 | 19 | 34 | 32 | 8 | 0 |
| 28 | 7 | 20 | 35 | 31 | 7 | 0 |
| 29 | 7 | 21 | 35 | 30 | 7 | 0 |
| 30 | 7 | 21 | 36 | 30 | 6 | 0 |
Wind in September
Winds average 16 km/h in September.
Across September, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 54 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over September. Sunrise moves from 6:10 AM to 6:36 AM, and sunset from 7:02 PM to 6:15 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:17 | 6:18 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:35 | 6:36 |
| Sunset (PM) | 7:02 | 7:00 | 6:59 | 6:57 | 6:56 | 6:54 | 6:52 | 6:51 | 6:49 | 6:48 | 6:46 | 6:44 | 6:43 | 6:41 | 6:40 | 6:38 | 6:36 | 6:35 | 6:33 | 6:31 | 6:30 | 6:28 | 6:27 | 6:25 | 6:23 | 6:22 | 6:20 | 6:19 | 6:17 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 6:10 | 7:02 |
| 2 | 12.8 | 6:11 | 7:00 |
| 3 | 12.8 | 6:12 | 6:59 |
| 4 | 12.7 | 6:13 | 6:57 |
| 5 | 12.7 | 6:14 | 6:56 |
| 6 | 12.7 | 6:15 | 6:54 |
| 7 | 12.6 | 6:16 | 6:52 |
| 8 | 12.6 | 6:17 | 6:51 |
| 9 | 12.5 | 6:17 | 6:49 |
| 10 | 12.5 | 6:18 | 6:48 |
| 11 | 12.4 | 6:19 | 6:46 |
| 12 | 12.4 | 6:20 | 6:44 |
| 13 | 12.4 | 6:21 | 6:43 |
| 14 | 12.3 | 6:22 | 6:41 |
| 15 | 12.3 | 6:23 | 6:40 |
| 16 | 12.2 | 6:24 | 6:38 |
| 17 | 12.2 | 6:24 | 6:36 |
| 18 | 12.2 | 6:25 | 6:35 |
| 19 | 12.1 | 6:26 | 6:33 |
| 20 | 12.1 | 6:27 | 6:31 |
| 21 | 12.0 | 6:28 | 6:30 |
| 22 | 12.0 | 6:29 | 6:28 |
| 23 | 11.9 | 6:30 | 6:27 |
| 24 | 11.9 | 6:31 | 6:25 |
| 25 | 11.9 | 6:32 | 6:23 |
| 26 | 11.8 | 6:32 | 6:22 |
| 27 | 11.8 | 6:33 | 6:20 |
| 28 | 11.7 | 6:34 | 6:19 |
| 29 | 11.7 | 6:35 | 6:17 |
| 30 | 11.7 | 6:36 | 6:15 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.19 kWh/m².
For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.61 kWh/m² in June across the year — September's 5.19 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.4 |
| Level | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Intense |
| 2 | 6.0 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.4 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for Zakynthos
None of Zakynthos's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Zakynthos's rainy season runs October–March, when most of the year's rain falls.
Is September a good time to visit Zakynthos?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Zakynthos for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Zakynthos in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Zakynthos sees daytime highs around 25°C and nights near 23°C. Worth packing: light clothes and sun protection. About 7 days see rain.
Sea temperature near Zakynthos in September
The nearest coast averages about 25°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in March near 15°C.
It's comfortable for a long swim from May 27 to Nov 20 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 25 | 23 | 20 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 18 | Cool |
UV index in Zakynthos in September
Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zakynthos peaks around August 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Zakynthos?
Zakynthos sits at 37.8°N, 20.9°E, 0 m above sea level, in Greece. The nearest listed city is Amaliáda, 40 km away.
Topography around Zakynthos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zakynthos.
Within 3 km, the terrain around Zakynthos has only modest variations in elevation — a maximum elevation change of 194 m around an average of 16 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,904 m.
The land around Zakynthos is covered by water (30%), trees (29%) and grassland (23%) within 3 km, water (66%) and trees (21%) within 16 km, and water (73%) within 80 km.
Greece travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $26,948
- 2025
- Happiness
- 5.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.8
- per 100k, 2023
- Road deaths
- 8.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 592
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Zakynthos (37.7802°, 20.8956°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).