Rosetta in Fall
In fall (September, October and November), Rosetta sees average daytime highs around 25°C and overnight lows near 22°C, with 32 mm of rain over about 5 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 28°C in early September to 21°C by late November. The sky is clear or mostly clear about 78% of the time across fall, and the air most often feels muggy.
Fall is Rosetta's 2nd-best season to visit on our travel score. For the whole year in context, see Rosetta's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 32 mm
- 5 wet days
- Avg wind
- 15 km/h
- Travel score
- 8.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Rosetta in Fall
Over the season highs ease from about 28°C in early September to 21°C by late November.
A typical fall day in Rosetta reaches about 25°C and drops to 22°C overnight. The warmest of the three months is September, the coolest November.
Rosetta weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 13° | 44 | 7.5 | 10.2 | 6.1 |
| Feb | 17° / 13° | 27 | 5.1 | 10.9 | 6.5 |
| Mar | 19° / 14° | 15 | 2.6 | 11.8 | 7.6 |
| Apr | 21° / 16° | 4 | 1.1 | 12.7 | 8.4 |
| May | 23° / 19° | 1 | 0.2 | 13.6 | 9.3 |
| Jun | 26° / 22° | 0 | 0 | 14 | 9.3 |
| Jul | 28° / 25° | 0 | 0 | 13.8 | 8.7 |
| Aug | 29° / 25° | 0 | 0 | 13.1 | 8.0 |
| Sep | 28° / 24° | 1 | 0.1 | 12.2 | 8.7 |
| Oct | 26° / 22° | 7 | 1.4 | 11.2 | 8.8 |
| Nov | 22° / 19° | 24 | 3.7 | 10.4 | 8.1 |
| Dec | 19° / 15° | 36 | 6.4 | 10 | 6.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 78% of the time across fall.
Chance of precipitation in Fall
Rosetta gets around 32 mm of rain over 5 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 15 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².
Hazard calendar for Rosetta
None of Rosetta's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Rosetta sees seasonal dust haze (May), heaviest in May.
Is fall a good time to visit Rosetta?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Rosetta for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rosetta in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rosetta sees daytime highs around 25°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.
Sea temperature near Rosetta in Fall
The nearest coast averages about 25°C across fall — 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 28°C and coldest in February near 17°C.
It's comfortable for a long swim from Apr 30 to Dec 18 — about 7.7 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 | 19 | 21 | 24 | 27 | 28 | 27 | 26 | 23 | 20 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 19 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 26 | Warm |
| Nov | 23 | Refreshing |
| Dec | 20 | Refreshing |
UV index in Rosetta in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rosetta peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
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) | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 10 | 9 | 6 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rosetta in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Rosetta is worst in January — around 52 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (July, 20 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) | 52 | 47 | 39 | 33 | 29 | 23 | 20 | 21 | 22 | 29 | 44 | 47 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 52 | Poor |
| Feb | 47 | Poor |
| Mar | 39 | Poor |
| Apr | 33 | Moderate |
| May | 29 | Moderate |
| Jun | 23 | Moderate |
| Jul | 20 | Moderate |
| Aug | 21 | Moderate |
| Sep | 22 | Moderate |
| Oct | 29 | Moderate |
| Nov | 44 | Poor |
| Dec | 47 | Poor |
Where is Rosetta?
Rosetta sits at 31.4°N, 30.4°E, 15 m above sea level, in Egypt. The nearest listed city is Idkū, 15 km away.
Topography around Rosetta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosetta.
Within 3 km, the terrain around Rosetta has only modest variations in elevation — a maximum elevation change of 21 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 54 m.
The land around Rosetta is covered by trees (34%), cropland (26%) and artificial surfaces (21%) within 3 km, water (42%) and cropland (21%) within 16 km, and cropland (45%) and water (41%) within 80 km.
Egypt travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 15% of US
- price level, 2025
- GDP per capita
- $3,086
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Safe drinking water
- 79%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2017
- Road deaths
- 10.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 459
- 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 Rosetta (31.3995°, 30.4172°, elevation 15 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.