Erdemli weather in September
In September, Erdemli sees average daytime highs of 27°C and overnight lows near 23°C, with 19 mm of rain across 4.7 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 93% of the time in September, and the air most often feels muggy.
Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Erdemli's 3rd-clearest and 12th-windiest month. For the whole year in context, see Erdemli's year-round climate.
- Daytime high
- 27°
- 3rd warmest
- Overnight low
- 23°
- 10th coldest
- Rainfall
- 19 mm
- 4.7 wet days
- Daylight
- 12 h 12 min
- 5:30 AM – 5:44 PM
- Cloud cover
- 14%
- 3rd clearest
- Wind
- 8 km/h
- 12th windiest
- Solar energy
- 5.59 kWh/m²
- Travel score
- 8.3
- out of 10
Erdemli is district of Mersin, south-central Turkey.
- Density
- 20/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 28°C in the first days to 25°C by the end.
A typical September day in Erdemli reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°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) | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 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 | 28 | 24 |
| 2 | 28 | 24 |
| 3 | 28 | 24 |
| 4 | 28 | 24 |
| 5 | 28 | 24 |
| 6 | 28 | 24 |
| 7 | 27 | 24 |
| 8 | 27 | 24 |
| 9 | 27 | 23 |
| 10 | 27 | 23 |
| 11 | 27 | 23 |
| 12 | 27 | 23 |
| 13 | 27 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 23 |
| 18 | 26 | 23 |
| 19 | 26 | 22 |
| 20 | 26 | 22 |
| 21 | 26 | 22 |
| 22 | 26 | 22 |
| 23 | 26 | 22 |
| 24 | 26 | 22 |
| 25 | 26 | 22 |
| 26 | 26 | 22 |
| 27 | 26 | 22 |
| 28 | 25 | 22 |
| 29 | 25 | 21 |
| 30 | 25 | 21 |
Erdemli weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 9° | 106 | 11.6 | 2.1 | 9.8 | 3.0 |
| Feb | 12° / 9° | 67 | 9 | 1.7 | 10.6 | 3.4 |
| Mar | 15° / 11° | 49 | 8.9 | 0.4 | 11.7 | 4.7 |
| Apr | 18° / 14° | 37 | 8.2 | 0 | 12.9 | 6.2 |
| May | 22° / 17° | 39 | 9.3 | 0 | 13.9 | 7.2 |
| Jun | 25° / 21° | 26 | 7.4 | 0 | 14.5 | 8.0 |
| Jul | 28° / 24° | 11 | 3.6 | 0 | 14.2 | 7.9 |
| Aug | 29° / 25° | 13 | 4.6 | 0 | 13.4 | 7.3 |
| Sep | 27° / 23° | 19 | 4.7 | 0 | 12.2 | 8.3 |
| Oct | 23° / 19° | 35 | 5.7 | 0 | 11.1 | 8.1 |
| Nov | 18° / 15° | 67 | 6.5 | 0.2 | 10 | 6.6 |
| Dec | 13° / 11° | 135 | 11.1 | 1.2 | 9.5 | 3.9 |
Cloud cover in September
The sky is clear or mostly clear about 93% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 2%. 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 95 | 95 | 95 | 94 | 93 | 93 |
| Cloudier (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 6 | 7 | 7 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 98 | 2 |
| 19 | 97 | 3 |
| 20 | 97 | 3 |
| 21 | 97 | 3 |
| 22 | 97 | 3 |
| 23 | 97 | 3 |
| 24 | 96 | 4 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 95 | 5 |
| 28 | 94 | 6 |
| 29 | 93 | 7 |
| 30 | 93 | 7 |
Chance of precipitation in September
Erdemli gets around 19 mm of rain over 4.7 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 15% and peaks near 19% 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 (%) | 11 | 11 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 11 |
| 2 | 11 |
| 3 | 10 |
| 4 | 11 |
| 5 | 11 |
| 6 | 11 |
| 7 | 12 |
| 8 | 12 |
| 9 | 13 |
| 10 | 13 |
| 11 | 14 |
| 12 | 14 |
| 13 | 15 |
| 14 | 15 |
| 15 | 16 |
| 16 | 16 |
| 17 | 16 |
| 18 | 17 |
| 19 | 17 |
| 20 | 18 |
| 21 | 18 |
| 22 | 18 |
| 23 | 19 |
| 24 | 19 |
| 25 | 19 |
| 26 | 19 |
| 27 | 19 |
| 28 | 19 |
| 29 | 18 |
| 30 | 18 |
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 44% of days. Sticky, muggy-or-worse air turns up on roughly 54% 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 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 10 | 11 |
| Comfortable (%) | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 17 | 19 | 20 | 22 | 23 | 24 |
| Humid (%) | 14 | 15 | 17 | 18 | 20 | 21 | 23 | 24 | 25 | 27 | 28 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 42 | 43 | 44 | 44 | 44 | 44 |
| Muggy (%) | 54 | 54 | 54 | 55 | 54 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 51 | 51 | 50 | 48 | 47 | 45 | 44 | 42 | 40 | 38 | 36 | 34 | 31 | 29 | 27 | 24 | 22 | 20 |
| Oppressive (%) | 28 | 26 | 24 | 22 | 20 | 18 | 17 | 15 | 14 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 3 | 14 | 54 | 28 |
| 2 | 1 | 4 | 15 | 54 | 26 |
| 3 | 1 | 4 | 17 | 54 | 24 |
| 4 | 1 | 4 | 18 | 55 | 22 |
| 5 | 1 | 5 | 20 | 54 | 20 |
| 6 | 1 | 5 | 21 | 55 | 18 |
| 7 | 1 | 5 | 23 | 54 | 17 |
| 8 | 2 | 5 | 24 | 54 | 15 |
| 9 | 2 | 6 | 25 | 53 | 14 |
| 10 | 2 | 6 | 27 | 53 | 12 |
| 11 | 2 | 6 | 28 | 53 | 11 |
| 12 | 2 | 6 | 29 | 53 | 10 |
| 13 | 2 | 7 | 31 | 51 | 9 |
| 14 | 2 | 7 | 32 | 51 | 8 |
| 15 | 3 | 7 | 33 | 50 | 7 |
| 16 | 3 | 8 | 34 | 48 | 7 |
| 17 | 3 | 9 | 35 | 47 | 6 |
| 18 | 4 | 9 | 36 | 45 | 5 |
| 19 | 4 | 10 | 37 | 44 | 5 |
| 20 | 4 | 11 | 38 | 42 | 4 |
| 21 | 5 | 12 | 39 | 40 | 4 |
| 22 | 5 | 13 | 40 | 38 | 3 |
| 23 | 6 | 14 | 41 | 36 | 3 |
| 24 | 7 | 16 | 42 | 34 | 2 |
| 25 | 7 | 17 | 42 | 31 | 2 |
| 26 | 8 | 19 | 43 | 29 | 1 |
| 27 | 9 | 20 | 44 | 27 | 1 |
| 28 | 10 | 22 | 44 | 24 | 1 |
| 29 | 10 | 23 | 44 | 22 | 0 |
| 30 | 11 | 24 | 44 | 20 | 0 |
Wind in September
Winds average 8 km/h in September, the calmest month.
Across September, daily wind ranges from about 8 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:18 AM to 5:42 AM, and sunset from 6:07 PM to 5:22 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) | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 |
| Sunrise (AM) | 5:18 | 5:19 | 5:20 | 5:20 | 5:21 | 5:22 | 5:23 | 5:24 | 5:24 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:29 | 5:30 | 5:31 | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:41 | 5:42 |
| Sunset (PM) | 6:07 | 6:06 | 6:04 | 6:03 | 6:01 | 6:00 | 5:58 | 5:56 | 5:55 | 5:53 | 5:52 | 5:50 | 5:49 | 5:47 | 5:46 | 5:44 | 5:42 | 5:41 | 5:39 | 5:38 | 5:36 | 5:35 | 5:33 | 5:31 | 5:30 | 5:28 | 5:27 | 5:25 | 5:24 | 5:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 5:18 | 6:07 |
| 2 | 12.8 | 5:19 | 6:06 |
| 3 | 12.7 | 5:20 | 6:04 |
| 4 | 12.7 | 5:20 | 6:03 |
| 5 | 12.7 | 5:21 | 6:01 |
| 6 | 12.6 | 5:22 | 6:00 |
| 7 | 12.6 | 5:23 | 5:58 |
| 8 | 12.5 | 5:24 | 5:56 |
| 9 | 12.5 | 5:24 | 5:55 |
| 10 | 12.5 | 5:25 | 5:53 |
| 11 | 12.4 | 5:26 | 5:52 |
| 12 | 12.4 | 5:27 | 5:50 |
| 13 | 12.3 | 5:28 | 5:49 |
| 14 | 12.3 | 5:29 | 5:47 |
| 15 | 12.3 | 5:29 | 5:46 |
| 16 | 12.2 | 5:30 | 5:44 |
| 17 | 12.2 | 5:31 | 5:42 |
| 18 | 12.1 | 5:32 | 5:41 |
| 19 | 12.1 | 5:33 | 5:39 |
| 20 | 12.1 | 5:34 | 5:38 |
| 21 | 12.0 | 5:34 | 5:36 |
| 22 | 12.0 | 5:35 | 5:35 |
| 23 | 12.0 | 5:36 | 5:33 |
| 24 | 11.9 | 5:37 | 5:31 |
| 25 | 11.9 | 5:38 | 5:30 |
| 26 | 11.8 | 5:39 | 5:28 |
| 27 | 11.8 | 5:39 | 5:27 |
| 28 | 11.8 | 5:40 | 5:25 |
| 29 | 11.7 | 5:41 | 5:24 |
| 30 | 11.7 | 5:42 | 5:22 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m².
For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.43 kWh/m² in June across the year — September's 5.59 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) | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 4.9 |
| Level | Intense | Intense | Intense | Intense | Intense | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.0 | Intense |
| 7 | 6.0 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.4 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 4.9 | Bright |
Hazard calendar for Erdemli
None of Erdemli's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Erdemli's rainy season runs November–February, when most of the year's rain falls.
Is September a good time to visit Erdemli?
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 Erdemli for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Erdemli in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Erdemli sees daytime highs around 27°C and nights near 23°C. Worth packing: light clothes and sun protection. About 5 days see rain.
Sea temperature near Erdemli in September
The nearest coast averages about 28°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 29°C and coldest in February near 17°C.
It's comfortable for a long swim from May 3 to Dec 16 — about 7.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 18 | 17 | 17 | 18 | 21 | 25 | 28 | 29 | 28 | 26 | 23 | 20 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Tropical | Tropical | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 18 | Cool |
| May | 21 | Refreshing |
| Jun | 25 | Warm |
| Jul | 28 | Warm |
| Aug | 29 | Tropical |
| Sep | 28 | Tropical |
| Oct | 26 | Warm |
| Nov | 23 | Refreshing |
| Dec | 20 | Refreshing |
UV index in Erdemli in September
Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Erdemli peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 8 | 8 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Erdemli in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Erdemli is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 16 | 20 | 21 | 21 | 18 | 15 | 17 | 17 | 15 | 15 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 16 | Moderate |
| Mar | 20 | Moderate |
| Apr | 21 | Moderate |
| May | 21 | Moderate |
| Jun | 18 | Moderate |
| Jul | 15 | Moderate |
| Aug | 17 | Moderate |
| Sep | 17 | Moderate |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 13 | Moderate |
Where is Erdemli?
Erdemli sits at 36.6°N, 34.3°E, 11 m above sea level, in Turkey. The nearest listed city is Mersin, 37 km away.
Topography around Erdemli
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Erdemli.
Within 3 km, the terrain around Erdemli has only modest variations in elevation — a maximum elevation change of 124 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,121 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,172 m.
The land around Erdemli is covered by water (44%) and trees (37%) within 3 km, water (47%) and trees (35%) within 16 km, and water (33%), grassland (32%) and trees (21%) within 80 km.
Turkey travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $18,599
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 488
- 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 Erdemli (36.605°, 34.3084°, elevation 11 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).