0xCarbon
Edinburgh · September · warmth

Warmest places to go from Edinburgh in September

In September, the warmest well-known place within 15 hours of Edinburgh is Aswan, Egypt, averaging 34.1 °C across day and night and 11.5 h sun a day, about 9h 36m each way by air. Without flying, it is Marseille, France, averaging 20.6 °C across day and night, about 14h 42m each way by train, for about 15× less carbon (72.5 kg CO₂e return against 1,075 kg).

Every city at once, with and without flying: where is hot in September.

The 10 warmest places within 15 hours of Edinburgh

Ranked on warmth in September alone, among well-known places (a Wikivoyage travel guide and at least 40,000 Wikipedia readers a year), one per area and at most three per country. The carbon is shown, not used to choose: the list further down is the other question, how much warmth each extra kilogram buys.

  1. Aswan, Egypt34.1 °C · 11.5 h sun a day · mostly dryair ≈ 9h 36m · 1,075 kg CO₂e return
  2. Sharm el-Sheikh, Egypt33.7 °C · 11.5 h sun a day · mostly dry · sea 28.7 °Cair ≈ 9h 12m · 1,008 kg CO₂e return
  3. Luxor, Egypt33.6 °C · 11.6 h sun a day · mostly dryair ≈ 9h 24m · 1,036 kg CO₂e return
  4. Aqaba, Jordan31.5 °C · 11.4 h sun a day · mostly dry · sea 27.8 °Cair ≈ 9h 6m · 981 kg CO₂e return
  5. Sanliurfa, Turkey27.7 °C · 11.4 h sun a day · mostly dryair ≈ 8h 30m · 877 kg CO₂e return
  6. Adana, Turkey27.5 °C · 11.1 h sun a day · 1.5 mm rain a dayair ≈ 8h 12m · 894 kg CO₂e return
  7. Famagusta, Cyprus27.1 °C · 11.4 h sun a day · mostly dry · sea 28.6 °Cair ≈ 8h 18m · 914 kg CO₂e return
  8. Kairouan, Tunisia27.0 °C · 10.7 h sun a day · mostly dryair ≈ 6h 48m · 621 kg CO₂e return
  9. Rhodes, Greece27.0 °C · 11.8 h sun a day · mostly dry · sea 27.4 °Cair ≈ 7h 48m · 805 kg CO₂e return
  10. Batman, Turkey26.8 °C · 11.6 h sun a day · mostly dryair ≈ 8h 36m · 896 kg CO₂e return

Without flying

The warmest places the train reaches within 15 hours. Marseille is 20.6 °C for 72.5 kg — about 15× less carbon than flying to Aswan.

  1. Marseille, France20.6 °C · 10.7 h sun a day · 2.2 mm rain a day · sea 22.9 °Crail ≈ 14h 42m · 72.5 kg CO₂e return
  2. Montpellier, France20.1 °C · 10.3 h sun a day · 3.4 mm rain a dayrail ≈ 14h 54m · 70.3 kg CO₂e return
  3. Avignon, France20.1 °C · 10.3 h sun a day · 3.1 mm rain a dayrail ≈ 14h 12m · 70.0 kg CO₂e return
  4. Bordeaux, France18.9 °C · 9.8 h sun a day · 3.2 mm rain a dayrail ≈ 13h 42m · 64.8 kg CO₂e return
  5. Koblenz, Germany17.7 °C · 9.9 h sun a day · 3.1 mm rain a dayrail ≈ 14h 24m · 59.3 kg CO₂e return
  6. Frankfurt am Main, Germany17.6 °C · 9.7 h sun a day · 2.0 mm rain a dayrail ≈ 14h · 61.7 kg CO₂e return

≈ is the model's estimate (air times include getting to and through the airport); ✓ is a rail journey checked against a real timetable, with the date it was checked. Temperatures are historical daily means for 2023–2024, averaged across day and night, so afternoons run warmer.

The low-carbon trade-off

The warmest place you can reach from Edinburgh in September within 15 hours is Sharm el-Sheikh, 33.7 °C, costing 1,008 kg CO₂e return. The lowest-carbon option is Whitehaven at 12.7 kg — 79× less carbon, for 19.7 degrees less warmth.

Every destination here is on the efficiency frontier: nowhere else this site covers is both warmer in September and lower in carbon. Anything a better option beats outright has been left out.

WhitehavenSharm el-Sheikh
Where they are. Solid lines are rail or ferry, dashed are flights, from Edinburgh. Pick one to compare.
Carbon against warmth, September, departing Edinburgh. Journeys of up to 15 hours each way.19 destinations. Lowest carbon Whitehaven at 12.7 kilograms and 14.0 °C; best for warmth Sharm el-Sheikh at 1,008 kilograms and 33.7 °C. Whitehaven · 12.7 kgMarseille · 72.5 kgPerpignan · 387 kgSharm el-Sheikh · 1,008 kg

By rail or ferry By air

Carbon against warmth, September, departing Edinburgh. Journeys of up to 15 hours each way.

What the 15-hour limit costs: at this budget Valencia can only be reached by air — 464 kg CO₂e, in 6h. Allow up to 24 hours and the train does the same journey for 82.4 kg in 22h 24m — 6× less carbon for 16h 24m more travelling.

September from Edinburgh — 19 destinations on the frontier, 7 without flying.
DestinationHowCO₂e returnTempSun/dayRain/dayJourney
Whitehaven, United KingdomRail12.7 kg14.0 °C7.9 h4.7 mm3h 48m
York, United KingdomRail20.9 kg14.8 °C7.6 h3.1 mm5h 6m
Peterborough, United KingdomRail33.9 kg16.2 °C8.1 h2.9 mm7h 36m
Dunkirk, FranceRail48.3 kg17.3 °C8.8 h3.0 mm10h 48m
Angers, FranceRail56.2 kg17.8 °C9.0 h2.3 mm14h 36m
Bordeaux, FranceRail64.8 kg18.9 °C9.8 h3.2 mm13h 42m
Marseille, FranceRail72.5 kg20.6 °C10.7 h2.2 mm14h 42m
Perpignan, FranceAir387 kg21.3 °C10.1 h1.1 mm5h 30m
Bastia, FranceAir435 kg22.5 °C10.6 h1.9 mm5h 48m
Valencia, SpainAir464 kg22.9 °C10.6 h3.5 mm6h
Palma del Rio, SpainAir512 kg24.4 °C10.9 h0.9 mm6h 12m
Almería, SpainAir535 kg24.9 °C11.3 h0.9 mm6h 18m
Jendouba, TunisiaAir589 kg26.0 °C10.4 h1.0 mm6h 36m
Kairouan, TunisiaAir621 kg27.0 °C10.7 h0.7 mm6h 48m
Nefta, TunisiaAir653 kg29.6 °C10.2 h0.2 mm7h
Minya, EgyptAir960 kg31.0 °C11.8 h0.0 mm9h
Assiut, EgyptAir985 kg31.6 °C11.7 h0.0 mm9h 6m
Sohag, EgyptAir1,005 kg32.3 °C11.7 h0.0 mm9h 12m
Sharm el-Sheikh, EgyptAir1,008 kg33.7 °C11.5 h0.0 mm9h 12m

Warm is not the same as pleasant, which is why sunshine and rainfall are shown alongside temperature. All three are ERA5 monthly means for 2023–2024.

Where the curve breaks

The frontier is gentle until it isn't. Going from Marseille (72.5 kg, 20.6 °C) to Perpignan (387 kg, 21.3 °C) buys 0.7 °C more warmth for an extra 314 kg — 449 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.

The pick of them

The same month, asked differently

September answers differently depending on what you are after, and the lists genuinely diverge: the brightest places are not the hottest, and in summer the useful question stops being where is warm at all.

Where to stay in Sharm el-Sheikh

Places to stay in Sharm el-Sheikh, Egypt, on a live map. Prices and availability come from Stay22 and its booking partners.

Search places to stay in Sharm el-Sheikh →Opens the booking search in a new tab. Same partners as the map below.

Affiliate disclosure. A booking made through this map may earn 0xCarbon a commission, at no extra cost to you. It changes nothing above it: the emissions figures come from UK Government conversion factors and are computed before anyone is paid anything.See the method.

Other months from Edinburgh

September from elsewhere

Photo credits

Questions

Where is the warmest place to go from Edinburgh in September?

Sharm el-Sheikh, Egypt, at 33.7 °C. Reaching it emits 1,008 kg CO₂e return, travelling 9h 12m each way by air (modelled).

Can I get somewhere warm from Edinburgh in September without flying?

Yes. Marseille reaches 20.6 °C and is reachable by rail or ferry in 14h 42m (modelled), emitting 72.5 kg CO₂e return — though Sharm el-Sheikh is warmer still, if you fly.

How much carbon does a return trip from Edinburgh to Sharm el-Sheikh produce?

1,008 kg CO₂e for one person, return, by air. That uses the UK Government's 2026 conversion factors, including radiative forcing for flights.

Carbon uses UK Government (DESNZ/DEFRA) 2026 conversion factors applied to great-circle distance, with radiative forcing included for flights. Rail journey times are modelled estimates, not timetabled services. Full method · download the data.