Glasgow · September · sunshine

Sunniest places to go from Glasgow in September

The sunniest place you can reach from Glasgow in September within 15 hours is Izmir at 11.6 h, costing 760 kg CO₂e return. The lowest-carbon option is Inverness at 14.4 kg — 53× less carbon for 4.3 h less.

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

Where they are. Solid lines are rail or ferry, dashed are flights, from Glasgow. Pick one to compare.

By rail or ferry By air

Carbon against sunshine, September, departing Glasgow. Journeys of up to 15 hours each way.

September from Glasgow — 8 destinations on the frontier, 4 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Inverness, United Kingdom	Rail	14.4 kg	12.5 °C	7.3 h	2.9 mm	4h 30m
Aberdeen, United Kingdom	Rail	15.6 kg	12.8 °C	8.4 h	1.6 mm	4h 42m
Ipswich, United Kingdom	Rail	44.3 kg	16.6 °C	9.1 h	1.7 mm	9h 30m
's-Hertogenbosch, The Netherlands	Rail	55.7 kg	17.1 °C	9.4 h	2.3 mm	14h 42m
Wilhelmshaven, Germany	Air	210 kg	16.8 °C	10.0 h	2.3 mm	4h 36m
Aix-en-Provence, France	Air	386 kg	19.3 °C	10.8 h	2.1 mm	5h 30m
Jaén, Spain	Air	506 kg	22.3 °C	11.4 h	0.7 mm	6h 12m
Izmir, Turkey	Air	760 kg	24.9 °C	11.6 h	1.0 mm	7h 30m

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 Jaén (506 kg, 11.4 h) to Izmir (760 kg, 11.6 h) buys 0.2 hours more sunshine for an extra 254 kg — 1270 kg of CO₂e per hour. That single step is the most expensive sunshine on the whole curve.

The pick of them

InvernessUnited Kingdom14.4 kg CO₂e return12.5 °C · 7.3 h sun · 4h 30m by railmild and bright 's-HertogenboschThe Netherlands55.7 kg CO₂e return17.1 °C · 9.4 h sun · 14h 42m by railwarm overall IzmirTurkey760 kg CO₂e return24.9 °C · 11.6 h sun · 7h 30m by airwarm, bright and dry

If you'd rather have heat than sunshine

September answers differently depending on what you're after. The warmest destinations from Glasgow in September are a different list — hours of sunshine and degrees of warmth come apart, especially early and late in the year.

Where to stay in Izmir

Places to stay in Izmir, Turkey, on a live map. Prices and availability come from Stay22 and its booking partners.

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 Glasgow

September from elsewhere

Questions

Where is the sunniest place to go from Glasgow in September?

Izmir, Turkey, at 11.6 h. Reaching it emits 760 kg CO₂e return, travelling 7h 30m each way by air.

Can I get somewhere sunny from Glasgow in September without flying?

Yes. 's-Hertogenbosch reaches 9.4 h and is reachable by rail or ferry in 14h 42m, emitting 55.7 kg CO₂e return — though Izmir is sunnier still, if you fly.

How much carbon does a return trip from Glasgow to Izmir produce?

760 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.