Port Sudan weather in September
In September, Port Sudan sees average daytime highs of 36°C and overnight lows near 29°C, with 1 mm of rain across 0.3 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 37°C in the first days to 34°C by the end. The sky is clear or mostly clear about 93% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Port Sudan's 1st-clearest and 12th-windiest month. For the whole year in context, see Port Sudan's year-round climate.
- Daytime high
- 36°
- 4th warmest
- Overnight low
- 29°
- 10th coldest
- Rainfall
- 1 mm
- 0.3 wet days
- Daylight
- 12 h 06 min
- 6:22 AM – 6:29 PM
- Cloud cover
- 11%
- 1st clearest
- Wind
- 11 km/h
- 12th windiest
- Solar energy
- 6.41 kWh/m²
- Travel score
- 2.8
- out of 10
Port Sudan is Port city on the Red Sea in Eastern Sudan.
- Founded
- 1905
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 37°C in the first days to 34°C by the end.
A typical September day in Port Sudan reaches about 36°C in the afternoon and slips back to 29°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 38°C. Set against its neighbours, September runs about 2°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) | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 |
| Avg low (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 37 | 30 |
| 2 | 37 | 30 |
| 3 | 37 | 30 |
| 4 | 37 | 30 |
| 5 | 37 | 30 |
| 6 | 37 | 30 |
| 7 | 37 | 30 |
| 8 | 37 | 29 |
| 9 | 37 | 29 |
| 10 | 37 | 29 |
| 11 | 36 | 29 |
| 12 | 36 | 29 |
| 13 | 36 | 29 |
| 14 | 36 | 29 |
| 15 | 36 | 29 |
| 16 | 36 | 29 |
| 17 | 36 | 29 |
| 18 | 36 | 29 |
| 19 | 36 | 28 |
| 20 | 36 | 28 |
| 21 | 35 | 28 |
| 22 | 35 | 28 |
| 23 | 35 | 28 |
| 24 | 35 | 28 |
| 25 | 35 | 28 |
| 26 | 35 | 28 |
| 27 | 35 | 28 |
| 28 | 34 | 28 |
| 29 | 34 | 28 |
| 30 | 34 | 28 |
How September really feels in Port Sudan
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Port Sudan weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 21° | 18 | 5.4 | 10.9 | 7.6 |
| Feb | 26° / 21° | 5 | 1.9 | 11.3 | 8.4 |
| Mar | 28° / 21° | 2 | 0.4 | 11.9 | 8.6 |
| Apr | 30° / 24° | 3 | 0.4 | 12.4 | 6.7 |
| May | 33° / 26° | 0 | 0.1 | 12.9 | 4.5 |
| Jun | 36° / 28° | 0 | 0 | 13.2 | 2.5 |
| Jul | 38° / 30° | 4 | 1.4 | 13.1 | 1.1 |
| Aug | 38° / 31° | 4 | 1.3 | 12.7 | 1.1 |
| Sep | 36° / 29° | 1 | 0.3 | 12.1 | 2.8 |
| Oct | 32° / 27° | 14 | 3.9 | 11.5 | 4.8 |
| Nov | 29° / 25° | 42 | 12.5 | 11.1 | 5.5 |
| Dec | 26° / 22° | 41 | 11.9 | 10.8 | 6.4 |
Cloud cover in September
The sky is clear or mostly clear about 93% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 3%. 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 (%) | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 97 | 97 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Cloudier (%) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 94 | 6 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 95 | 5 |
| 5 | 95 | 5 |
| 6 | 95 | 5 |
| 7 | 95 | 5 |
| 8 | 96 | 4 |
| 9 | 96 | 4 |
| 10 | 96 | 4 |
| 11 | 97 | 3 |
| 12 | 97 | 3 |
| 13 | 98 | 2 |
| 14 | 98 | 2 |
| 15 | 98 | 2 |
| 16 | 98 | 2 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
Chance of precipitation in September
Port Sudan gets around 1 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.
| 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 (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 1 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 93% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 |
| Muggy (%) | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 40 | 40 | 39 | 39 | 39 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 29 |
| Oppressive (%) | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 |
| Miserable (%) | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 15 | 16 | 18 | 20 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 5 | 35 | 48 | 11 |
| 2 | 0 | 5 | 35 | 48 | 12 |
| 3 | 0 | 5 | 35 | 48 | 12 |
| 4 | 0 | 5 | 35 | 48 | 12 |
| 5 | 0 | 5 | 36 | 47 | 12 |
| 6 | 0 | 5 | 36 | 47 | 11 |
| 7 | 0 | 6 | 37 | 47 | 11 |
| 8 | 0 | 6 | 37 | 46 | 11 |
| 9 | 0 | 6 | 37 | 46 | 10 |
| 10 | 0 | 7 | 38 | 46 | 9 |
| 11 | 0 | 7 | 38 | 46 | 9 |
| 12 | 0 | 7 | 39 | 45 | 8 |
| 13 | 0 | 8 | 39 | 45 | 8 |
| 14 | 1 | 8 | 39 | 45 | 8 |
| 15 | 1 | 8 | 39 | 45 | 7 |
| 16 | 1 | 8 | 40 | 44 | 7 |
| 17 | 1 | 8 | 40 | 44 | 7 |
| 18 | 1 | 8 | 39 | 45 | 7 |
| 19 | 1 | 8 | 39 | 45 | 8 |
| 20 | 1 | 7 | 39 | 45 | 8 |
| 21 | 1 | 7 | 38 | 46 | 8 |
| 22 | 1 | 7 | 37 | 46 | 9 |
| 23 | 1 | 6 | 37 | 47 | 10 |
| 24 | 1 | 6 | 36 | 47 | 11 |
| 25 | 0 | 6 | 35 | 47 | 12 |
| 26 | 0 | 5 | 34 | 47 | 13 |
| 27 | 0 | 5 | 33 | 47 | 15 |
| 28 | 0 | 5 | 32 | 47 | 16 |
| 29 | 0 | 4 | 31 | 47 | 18 |
| 30 | 0 | 4 | 29 | 46 | 20 |
Wind in September
Winds average 11 km/h in September, the calmest month.
Across September, daily wind ranges from about 10 km/h on the calmest days to 12 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) | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 12 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | 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 | 10 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over September. Sunrise moves from 6:19 AM to 6:25 AM, and sunset from 6:43 PM to 6:16 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) | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 |
| Sunrise (AM) | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:25 |
| Sunset (PM) | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:18 | 6:17 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:19 | 6:43 |
| 2 | 12.4 | 6:19 | 6:42 |
| 3 | 12.4 | 6:20 | 6:41 |
| 4 | 12.3 | 6:20 | 6:40 |
| 5 | 12.3 | 6:20 | 6:39 |
| 6 | 12.3 | 6:20 | 6:38 |
| 7 | 12.3 | 6:20 | 6:37 |
| 8 | 12.3 | 6:21 | 6:36 |
| 9 | 12.2 | 6:21 | 6:35 |
| 10 | 12.2 | 6:21 | 6:34 |
| 11 | 12.2 | 6:21 | 6:33 |
| 12 | 12.2 | 6:21 | 6:33 |
| 13 | 12.2 | 6:22 | 6:32 |
| 14 | 12.1 | 6:22 | 6:31 |
| 15 | 12.1 | 6:22 | 6:30 |
| 16 | 12.1 | 6:22 | 6:29 |
| 17 | 12.1 | 6:22 | 6:28 |
| 18 | 12.1 | 6:23 | 6:27 |
| 19 | 12.1 | 6:23 | 6:26 |
| 20 | 12.0 | 6:23 | 6:25 |
| 21 | 12.0 | 6:23 | 6:24 |
| 22 | 12.0 | 6:23 | 6:23 |
| 23 | 12.0 | 6:24 | 6:22 |
| 24 | 12.0 | 6:24 | 6:21 |
| 25 | 11.9 | 6:24 | 6:20 |
| 26 | 11.9 | 6:24 | 6:19 |
| 27 | 11.9 | 6:24 | 6:18 |
| 28 | 11.9 | 6:25 | 6:18 |
| 29 | 11.9 | 6:25 | 6:17 |
| 30 | 11.8 | 6:25 | 6:16 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.41 kWh/m².
For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 7.4 kWh/m² in May across the year — September's 6.41 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) | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.6 | Intense |
| 2 | 6.6 | Intense |
| 3 | 6.6 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.2 | Intense |
| 29 | 6.2 | Intense |
| 30 | 6.2 | Intense |
Hazard calendar for Port Sudan
In September, Port Sudan sits inside its dust season. The full year is below, with each hazard's peak months called out.
Port Sudan sees seasonal dust haze (May–September), heaviest in July.
Is September a good time to visit Port Sudan?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Port Sudan. The water and warmth also suit a beach or pool day.
What to pack for Port Sudan in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Port Sudan sees daytime highs around 36°C and nights near 29°C. Pack light clothes and sun protection.
Sea temperature near Port Sudan in September
The nearest coast averages about 31°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 17 km away) is warmest in August at about 31°C and coldest in February near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 25 | 26 | 27 | 29 | 30 | 31 | 31 | 31 | 31 | 29 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 25 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 29 | Tropical |
| Jun | 30 | Tropical |
| Jul | 31 | Tropical |
| Aug | 31 | Tropical |
| Sep | 31 | Tropical |
| Oct | 31 | Tropical |
| Nov | 29 | Tropical |
| Dec | 27 | Warm |
UV index in Port Sudan in September
Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Port Sudan peaks around April 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 11 | 12 | 12 | 11 | 8 | 9 | 9 | 9 | 7 | 6 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Port Sudan 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 Port Sudan is worst in July — around 36 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 17 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 30 | 27 | 28 | 26 | 21 | 27 | 36 | 35 | 17 | 17 | 20 | 25 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 27 | Moderate |
| Mar | 28 | Moderate |
| Apr | 26 | Moderate |
| May | 21 | Moderate |
| Jun | 27 | Moderate |
| Jul | 36 | Poor |
| Aug | 35 | Moderate |
| Sep | 17 | Moderate |
| Oct | 17 | Moderate |
| Nov | 20 | Moderate |
| Dec | 25 | Moderate |
Where is Port Sudan?
Port Sudan sits at 19.6°N, 37.2°E, 10 m above sea level, in Sudan. The nearest listed city is Suakin, 58 km away.
Topography around Port Sudan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Sudan.
Within 3 km, the terrain around Port Sudan has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,726 m.
The land around Port Sudan is covered by artificial surfaces (55%) and bare terrain (29%) within 3 km, bare terrain (56%) and water (35%) within 16 km, and bare terrain (63%) and water (37%) within 80 km.
Sudan travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / D / F / G
- 230 V · 50 Hz
- Prices
- ≈ 215% of US
- price level, 2025
- GDP per capita
- $1,165
- 2025
- Happiness
- 4.1 / 10
- World Happiness, 2017
- Homicide rate
- 5.1
- per 100k, 2008
- Road deaths
- 26.8
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 421
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 Port Sudan (19.6175°, 37.2164°, elevation 10 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).