Hopa weather in September
In September, Hopa sees average daytime highs of 21°C and overnight lows near 18°C, with 282 mm of rain across 16.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels humid.
Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Hopa's 1st-clearest and 8th-windiest month. For the whole year in context, see Hopa's year-round climate.
- Daytime high
- 21°
- 3rd warmest
- Overnight low
- 18°
- 10th coldest
- Rainfall
- 282 mm
- 16.1 wet days
- Daylight
- 12 h 18 min
- 5:00 AM – 5:17 PM
- Cloud cover
- 51%
- 1st clearest
- Wind
- 9 km/h
- 8th windiest
- Solar energy
- 4.02 kWh/m²
- Travel score
- 5.8
- out of 10
Hopa is district and town in Artvin Province, Turkey.
- Air quality
- Elevated
- PM2.5 16.4 µg/m³ · 2018
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 22°C in the first days to 20°C by the end.
A typical September day in Hopa reaches about 21°C in the afternoon and slips back to 18°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°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) | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 |
| Avg low (°C) | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 20 |
| 2 | 22 | 19 |
| 3 | 22 | 19 |
| 4 | 22 | 19 |
| 5 | 22 | 19 |
| 6 | 22 | 19 |
| 7 | 22 | 19 |
| 8 | 22 | 19 |
| 9 | 22 | 19 |
| 10 | 22 | 19 |
| 11 | 22 | 18 |
| 12 | 22 | 18 |
| 13 | 22 | 18 |
| 14 | 22 | 18 |
| 15 | 21 | 18 |
| 16 | 21 | 18 |
| 17 | 21 | 18 |
| 18 | 21 | 18 |
| 19 | 21 | 18 |
| 20 | 21 | 18 |
| 21 | 21 | 18 |
| 22 | 21 | 17 |
| 23 | 21 | 17 |
| 24 | 21 | 17 |
| 25 | 21 | 17 |
| 26 | 21 | 17 |
| 27 | 20 | 17 |
| 28 | 20 | 17 |
| 29 | 20 | 17 |
| 30 | 20 | 17 |
How September really feels in Hopa
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Hopa weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 4° | 205 | 15.3 | 8.1 | 9.4 | 0.9 |
| Feb | 8° / 4° | 162 | 13.8 | 7.5 | 10.3 | 1.0 |
| Mar | 9° / 5° | 158 | 14.9 | 5.3 | 11.7 | 1.7 |
| Apr | 13° / 8° | 103 | 13 | 0.7 | 13.1 | 3.4 |
| May | 17° / 13° | 112 | 12.2 | 0 | 14.3 | 5.3 |
| Jun | 21° / 17° | 166 | 14.1 | 0 | 14.9 | 5.9 |
| Jul | 23° / 20° | 211 | 17.4 | 0 | 14.7 | 5.7 |
| Aug | 23° / 21° | 244 | 19.7 | 0 | 13.7 | 5.5 |
| Sep | 21° / 18° | 282 | 16.1 | 0 | 12.3 | 5.8 |
| Oct | 18° / 15° | 289 | 14.8 | 0.1 | 10.9 | 5.4 |
| Nov | 14° / 10° | 232 | 13.3 | 2 | 9.7 | 3.7 |
| Dec | 10° / 6° | 216 | 14.8 | 5.5 | 9.1 | 1.8 |
Cloud cover in September
The sky is clear or mostly clear about 39% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up 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 (%) | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 59 | 58 | 58 | 58 | 57 | 57 | 57 | 56 | 57 | 57 |
| Cloudier (%) | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 60 | 40 |
| 3 | 60 | 40 |
| 4 | 60 | 40 |
| 5 | 60 | 40 |
| 6 | 61 | 39 |
| 7 | 61 | 39 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 62 | 38 |
| 11 | 62 | 38 |
| 12 | 62 | 38 |
| 13 | 62 | 38 |
| 14 | 62 | 38 |
| 15 | 62 | 38 |
| 16 | 61 | 39 |
| 17 | 61 | 39 |
| 18 | 61 | 39 |
| 19 | 60 | 40 |
| 20 | 60 | 40 |
| 21 | 59 | 41 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 57 | 43 |
| 26 | 57 | 43 |
| 27 | 57 | 43 |
| 28 | 56 | 44 |
| 29 | 57 | 43 |
| 30 | 57 | 43 |
Chance of precipitation in September
Hopa gets around 282 mm of rain over 16.1 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 53% and peaks near 59% on the wettest days. The odds ease 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 (%) | 59 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 56 | 55 | 55 | 54 | 53 | 53 | 52 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 59 |
| 2 | 59 |
| 3 | 59 |
| 4 | 58 |
| 5 | 58 |
| 6 | 58 |
| 7 | 58 |
| 8 | 58 |
| 9 | 57 |
| 10 | 57 |
| 11 | 56 |
| 12 | 55 |
| 13 | 55 |
| 14 | 54 |
| 15 | 53 |
| 16 | 53 |
| 17 | 52 |
| 18 | 51 |
| 19 | 51 |
| 20 | 51 |
| 21 | 50 |
| 22 | 50 |
| 23 | 50 |
| 24 | 50 |
| 25 | 49 |
| 26 | 49 |
| 27 | 49 |
| 28 | 48 |
| 29 | 48 |
| 30 | 47 |
Humidity in September
Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 35% 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 (%) | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 |
| Comfortable (%) | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 31 | 32 | 33 |
| Humid (%) | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 35 | 35 |
| Muggy (%) | 44 | 43 | 42 | 40 | 39 | 38 | 37 | 36 | 35 | 35 | 34 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 25 | 23 | 22 | 20 | 19 | 17 | 15 | 14 |
| Oppressive (%) | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 8 | 7 | 6 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 2 | 8 | 30 | 44 | 16 |
| 2 | 3 | 9 | 31 | 43 | 15 |
| 3 | 3 | 10 | 31 | 42 | 14 |
| 4 | 3 | 11 | 32 | 40 | 13 |
| 5 | 4 | 12 | 33 | 39 | 12 |
| 6 | 4 | 13 | 34 | 38 | 11 |
| 7 | 4 | 14 | 35 | 37 | 10 |
| 8 | 4 | 15 | 36 | 36 | 8 |
| 9 | 4 | 16 | 37 | 35 | 7 |
| 10 | 5 | 17 | 38 | 35 | 6 |
| 11 | 5 | 17 | 39 | 34 | 6 |
| 12 | 5 | 18 | 39 | 33 | 5 |
| 13 | 5 | 19 | 40 | 32 | 4 |
| 14 | 5 | 20 | 40 | 32 | 3 |
| 15 | 5 | 20 | 40 | 31 | 3 |
| 16 | 6 | 21 | 40 | 31 | 2 |
| 17 | 6 | 21 | 40 | 30 | 2 |
| 18 | 7 | 22 | 39 | 30 | 2 |
| 19 | 8 | 23 | 39 | 29 | 1 |
| 20 | 8 | 24 | 38 | 28 | 1 |
| 21 | 9 | 25 | 38 | 27 | 1 |
| 22 | 10 | 26 | 37 | 26 | 1 |
| 23 | 11 | 27 | 37 | 25 | 1 |
| 24 | 12 | 28 | 36 | 23 | 1 |
| 25 | 14 | 29 | 36 | 22 | 0 |
| 26 | 15 | 29 | 35 | 20 | 0 |
| 27 | 16 | 30 | 35 | 19 | 0 |
| 28 | 17 | 31 | 35 | 17 | 0 |
| 29 | 18 | 32 | 35 | 15 | 0 |
| 30 | 19 | 33 | 35 | 14 | 0 |
Wind in September
Winds average 9 km/h in September.
Across September, daily wind ranges from about 8 km/h on the calmest days to 9 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in September
Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 4:45 AM to 5:15 AM, and sunset from 5:43 PM to 4:52 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) | 13.0 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 |
| Sunrise (AM) | 4:45 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:51 | 4:52 | 4:53 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:14 | 5:15 |
| Sunset (PM) | 5:43 | 5:41 | 5:40 | 5:38 | 5:36 | 5:35 | 5:33 | 5:31 | 5:29 | 5:28 | 5:26 | 5:24 | 5:22 | 5:20 | 5:19 | 5:17 | 5:15 | 5:13 | 5:11 | 5:10 | 5:08 | 5:06 | 5:04 | 5:03 | 5:01 | 4:59 | 4:57 | 4:55 | 4:54 | 4:52 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 4:45 | 5:43 |
| 2 | 12.9 | 4:46 | 5:41 |
| 3 | 12.9 | 4:47 | 5:40 |
| 4 | 12.8 | 4:48 | 5:38 |
| 5 | 12.8 | 4:49 | 5:36 |
| 6 | 12.7 | 4:50 | 5:35 |
| 7 | 12.7 | 4:51 | 5:33 |
| 8 | 12.6 | 4:52 | 5:31 |
| 9 | 12.6 | 4:53 | 5:29 |
| 10 | 12.6 | 4:54 | 5:28 |
| 11 | 12.5 | 4:55 | 5:26 |
| 12 | 12.5 | 4:56 | 5:24 |
| 13 | 12.4 | 4:57 | 5:22 |
| 14 | 12.4 | 4:58 | 5:20 |
| 15 | 12.3 | 4:59 | 5:19 |
| 16 | 12.3 | 5:00 | 5:17 |
| 17 | 12.2 | 5:02 | 5:15 |
| 18 | 12.2 | 5:03 | 5:13 |
| 19 | 12.1 | 5:04 | 5:11 |
| 20 | 12.1 | 5:05 | 5:10 |
| 21 | 12.0 | 5:06 | 5:08 |
| 22 | 12.0 | 5:07 | 5:06 |
| 23 | 11.9 | 5:08 | 5:04 |
| 24 | 11.9 | 5:09 | 5:03 |
| 25 | 11.8 | 5:10 | 5:01 |
| 26 | 11.8 | 5:11 | 4:59 |
| 27 | 11.8 | 5:12 | 4:57 |
| 28 | 11.7 | 5:13 | 4:55 |
| 29 | 11.7 | 5:14 | 4:54 |
| 30 | 11.6 | 5:15 | 4:52 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.02 kWh/m².
For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 5.89 kWh/m² in June across the year — September's 4.02 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) | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 |
| Level | 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 | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.5 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Moderate |
| 19 | 4.0 | Moderate |
| 20 | 3.9 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.8 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.7 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.7 | Moderate |
| 28 | 3.6 | Moderate |
| 29 | 3.6 | Moderate |
| 30 | 3.6 | Moderate |
Is September a good time to visit Hopa?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Hopa for sightseeing.
What to pack for Hopa in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Hopa sees daytime highs around 21°C and nights near 18°C. Pack rain gear. About 16 days see rain.
Sea temperature near Hopa 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 February near 9°C.
It's comfortable for a long swim from Jun 5 to Oct 21 — about 4.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 9 | 9 | 11 | 17 | 22 | 25 | 26 | 25 | 21 | 17 | 13 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 9 | Bracing |
| Mar | 9 | Bracing |
| Apr | 11 | Bracing |
| May | 17 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 21 | Refreshing |
| Nov | 17 | Cool |
| Dec | 13 | Bracing |
UV index in Hopa 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 Hopa peaks around June 19 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).
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 | 3 | 7 | 8 | 10 | 9 | 9 | 7 | 4 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Hopa 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 Hopa is worst in March — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 12 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Hopa's WHO annual average of 16.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 18 | 23 | 23 | 21 | 16 | 12 | 13 | 13 | 14 | 14 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 18 | Moderate |
| Mar | 23 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 16 | Moderate |
| Jul | 12 | Good |
| Aug | 13 | Moderate |
| Sep | 13 | Moderate |
| Oct | 14 | Moderate |
| Nov | 14 | Moderate |
| Dec | 15 | Moderate |
Where is Hopa?
Hopa sits at 41.4°N, 41.4°E, 13 m above sea level, in Turkey. The nearest listed city is Arhavi, 11 km away.
Topography around Hopa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hopa.
Within 3 km, the terrain around Hopa has large variations in elevation — a maximum elevation change of 620 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,886 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,872 m.
The land around Hopa is covered by trees (55%) and water (38%) within 3 km, trees (58%) and water (41%) within 16 km, and trees (47%), water (29%) and grassland (22%) 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 Hopa (41.3905°, 41.4197°, elevation 13 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).