Gujan-Mestras weather in September
In September, Gujan-Mestras sees average daytime highs of 23°C and overnight lows near 15°C, with 63 mm of rain across 9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels comfortable.
Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Gujan-Mestras's 3rd-clearest and 10th-windiest month. For the whole year in context, see Gujan-Mestras's year-round climate.
- Daytime high
- 23°
- 4th warmest
- Overnight low
- 15°
- 9th coldest
- Rainfall
- 63 mm
- 9 wet days
- Daylight
- 12 h 18 min
- 6:49 AM – 7:08 PM
- Cloud cover
- 50%
- 3rd clearest
- Wind
- 10 km/h
- 10th windiest
- Solar energy
- 4.25 kWh/m²
- Travel score
- 7.0
- out of 10
Temperature in September
Highs ease over the month, from about 24°C in the first days to 21°C by the end.
A typical September day in Gujan-Mestras reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°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) | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 16 |
| 2 | 25 | 16 |
| 3 | 25 | 16 |
| 4 | 24 | 16 |
| 5 | 24 | 16 |
| 6 | 24 | 16 |
| 7 | 24 | 16 |
| 8 | 24 | 16 |
| 9 | 24 | 16 |
| 10 | 24 | 15 |
| 11 | 24 | 15 |
| 12 | 23 | 15 |
| 13 | 23 | 15 |
| 14 | 23 | 15 |
| 15 | 23 | 15 |
| 16 | 23 | 15 |
| 17 | 23 | 15 |
| 18 | 23 | 15 |
| 19 | 23 | 15 |
| 20 | 22 | 15 |
| 21 | 22 | 14 |
| 22 | 22 | 14 |
| 23 | 22 | 14 |
| 24 | 22 | 14 |
| 25 | 22 | 14 |
| 26 | 22 | 14 |
| 27 | 21 | 14 |
| 28 | 21 | 14 |
| 29 | 21 | 14 |
| 30 | 21 | 14 |
Gujan-Mestras weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 10° / 5° | 72 | 11.5 | 9 | 2.3 |
| Feb | 11° / 5° | 52 | 9.4 | 10.1 | 2.8 |
| Mar | 14° / 7° | 54 | 10.7 | 11.6 | 4.2 |
| Apr | 17° / 9° | 66 | 12 | 13.2 | 5.0 |
| May | 20° / 13° | 70 | 11.6 | 14.6 | 6.0 |
| Jun | 23° / 16° | 63 | 9.3 | 15.3 | 7.0 |
| Jul | 25° / 18° | 46 | 7.8 | 15 | 7.3 |
| Aug | 26° / 18° | 53 | 8 | 13.9 | 7.3 |
| Sep | 23° / 15° | 63 | 9 | 12.3 | 7.0 |
| Oct | 19° / 12° | 73 | 10.6 | 10.7 | 5.9 |
| Nov | 14° / 8° | 88 | 12.5 | 9.4 | 3.7 |
| Dec | 11° / 6° | 77 | 11.8 | 8.7 | 2.6 |
Cloud cover in September
The sky is clear or mostly clear about 38% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 44%. 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 (%) | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 61 | 60 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 51 | 51 | 50 | 49 | 49 | 47 |
| Cloudier (%) | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 39 | 40 | 40 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 49 | 49 | 50 | 51 | 51 | 53 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 61 | 39 |
| 7 | 60 | 40 |
| 8 | 61 | 39 |
| 9 | 60 | 40 |
| 10 | 60 | 40 |
| 11 | 59 | 41 |
| 12 | 58 | 42 |
| 13 | 58 | 42 |
| 14 | 57 | 43 |
| 15 | 57 | 43 |
| 16 | 56 | 44 |
| 17 | 56 | 44 |
| 18 | 56 | 44 |
| 19 | 55 | 45 |
| 20 | 55 | 45 |
| 21 | 54 | 46 |
| 22 | 54 | 46 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 51 | 49 |
| 26 | 51 | 49 |
| 27 | 50 | 50 |
| 28 | 49 | 51 |
| 29 | 49 | 51 |
| 30 | 47 | 53 |
Chance of precipitation in September
Gujan-Mestras gets around 63 mm of rain over 9 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 31% and peaks near 33% 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 (%) | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Rain chance (%) | |
|---|---|
| 1 | 25 |
| 2 | 26 |
| 3 | 26 |
| 4 | 26 |
| 5 | 26 |
| 6 | 27 |
| 7 | 27 |
| 8 | 28 |
| 9 | 29 |
| 10 | 30 |
| 11 | 30 |
| 12 | 31 |
| 13 | 31 |
| 14 | 32 |
| 15 | 32 |
| 16 | 33 |
| 17 | 33 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 33 |
| 29 | 33 |
| 30 | 33 |
Humidity in September
Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 34 | 35 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 40 | 41 |
| Comfortable (%) | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 42 | 42 | 42 | 42 |
| Humid (%) | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 16 |
| Muggy (%) | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 22 | 38 | 28 | 12 |
| 2 | 23 | 38 | 27 | 11 |
| 3 | 24 | 39 | 27 | 10 |
| 4 | 25 | 39 | 26 | 10 |
| 5 | 26 | 39 | 25 | 9 |
| 6 | 27 | 40 | 25 | 8 |
| 7 | 28 | 40 | 25 | 8 |
| 8 | 29 | 40 | 24 | 7 |
| 9 | 29 | 40 | 24 | 6 |
| 10 | 30 | 40 | 24 | 6 |
| 11 | 30 | 41 | 24 | 5 |
| 12 | 31 | 41 | 24 | 5 |
| 13 | 31 | 40 | 24 | 4 |
| 14 | 32 | 40 | 24 | 4 |
| 15 | 33 | 40 | 24 | 3 |
| 16 | 34 | 40 | 24 | 3 |
| 17 | 34 | 40 | 23 | 2 |
| 18 | 35 | 40 | 23 | 2 |
| 19 | 36 | 41 | 22 | 2 |
| 20 | 36 | 41 | 21 | 1 |
| 21 | 37 | 41 | 21 | 1 |
| 22 | 37 | 42 | 20 | 1 |
| 23 | 37 | 42 | 20 | 1 |
| 24 | 37 | 42 | 20 | 1 |
| 25 | 37 | 43 | 19 | 1 |
| 26 | 38 | 43 | 19 | 1 |
| 27 | 38 | 42 | 18 | 1 |
| 28 | 39 | 42 | 18 | 1 |
| 29 | 40 | 42 | 17 | 1 |
| 30 | 41 | 42 | 16 | 1 |
Wind in September
Winds average 10 km/h in September.
Across September, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 11 | calm |
Sunrise & sunset in September
Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 90 minutes over September. Sunrise moves from 6:31 AM to 7:07 AM, and sunset from 7:37 PM to 6:40 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) | 13.1 | 13.0 | 13.0 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 | 11.6 |
| Sunrise (AM) | 6:31 | 6:32 | 6:34 | 6:35 | 6:36 | 6:37 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:51 | 6:52 | 6:53 | 6:54 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:02 | 7:03 | 7:04 | 7:05 | 7:07 |
| Sunset (PM) | 7:37 | 7:35 | 7:33 | 7:31 | 7:29 | 7:27 | 7:25 | 7:23 | 7:21 | 7:19 | 7:18 | 7:16 | 7:14 | 7:12 | 7:10 | 7:08 | 7:06 | 7:04 | 7:02 | 7:00 | 6:58 | 6:56 | 6:54 | 6:52 | 6:50 | 6:48 | 6:46 | 6:44 | 6:42 | 6:40 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.1 | 6:31 | 7:37 |
| 2 | 13.0 | 6:32 | 7:35 |
| 3 | 13.0 | 6:34 | 7:33 |
| 4 | 12.9 | 6:35 | 7:31 |
| 5 | 12.9 | 6:36 | 7:29 |
| 6 | 12.8 | 6:37 | 7:27 |
| 7 | 12.8 | 6:39 | 7:25 |
| 8 | 12.7 | 6:40 | 7:23 |
| 9 | 12.7 | 6:41 | 7:21 |
| 10 | 12.6 | 6:42 | 7:19 |
| 11 | 12.6 | 6:43 | 7:18 |
| 12 | 12.5 | 6:45 | 7:16 |
| 13 | 12.5 | 6:46 | 7:14 |
| 14 | 12.4 | 6:47 | 7:12 |
| 15 | 12.4 | 6:48 | 7:10 |
| 16 | 12.3 | 6:49 | 7:08 |
| 17 | 12.3 | 6:51 | 7:06 |
| 18 | 12.2 | 6:52 | 7:04 |
| 19 | 12.1 | 6:53 | 7:02 |
| 20 | 12.1 | 6:54 | 7:00 |
| 21 | 12.0 | 6:56 | 6:58 |
| 22 | 12.0 | 6:57 | 6:56 |
| 23 | 11.9 | 6:58 | 6:54 |
| 24 | 11.9 | 6:59 | 6:52 |
| 25 | 11.8 | 7:00 | 6:50 |
| 26 | 11.8 | 7:02 | 6:48 |
| 27 | 11.7 | 7:03 | 6:46 |
| 28 | 11.7 | 7:04 | 6:44 |
| 29 | 11.6 | 7:05 | 6:42 |
| 30 | 11.6 | 7:07 | 6:40 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.25 kWh/m².
For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.27 kWh/m² in June across the year — September's 4.25 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) | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.8 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.7 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.6 | Moderate |
| 28 | 3.6 | Moderate |
| 29 | 3.5 | Moderate |
| 30 | 3.5 | Moderate |
Is September a good time to visit Gujan-Mestras?
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 Gujan-Mestras for general sightseeing.
What to pack for Gujan-Mestras in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Gujan-Mestras sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 9 days see rain.
Sea temperature near Gujan-Mestras in September
The nearest coast averages about 20°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 km away) is warmest in August at about 22°C and coldest in February near 12°C.
It's comfortable for a long swim from Jul 7 to Sep 18 — about 2.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 12 | 12 | 13 | 16 | 18 | 21 | 22 | 20 | 18 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 12 | Bracing |
| Mar | 12 | Bracing |
| Apr | 13 | Bracing |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 20 | Refreshing |
| Oct | 18 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Gujan-Mestras in September
Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gujan-Mestras peaks around July 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 6 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Gujan-Mestras?
Gujan-Mestras sits at 44.6°N, 1.1°W, 5 m above sea level, in France. The nearest listed city is La Teste-de-Buch, 6.0 km away.
Topography around Gujan-Mestras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gujan-Mestras.
Within 3 km, the terrain around Gujan-Mestras has only modest variations in elevation — a maximum elevation change of 26 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.
The land around Gujan-Mestras is covered by water (28%), trees (27%) and artificial surfaces (27%) within 3 km, trees (49%) and water (23%) within 16 km, and trees (44%), water (26%) and grassland (20%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- 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 Gujan-Mestras (44.636°, -1.0681°, elevation 5 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).