Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 16.3 °C | 15.7 °C | 5 days | Possible, with trade-offs |
| February | 18.1 °C | 14.9 °C | 4 days | Possible, with trade-offs |
| March | 20.1 °C | 15.3 °C | 7 days | Pleasant — a good time to go |
| April | 22.3 °C | 16.8 °C | 7 days | Pleasant — a good time to go |
| May | 26.7 °C | 18.7 °C | 4 days | Ideal — one of the best times of year |
| June | 29.6 °C | 20.7 °C | 2 days | Ideal — one of the best times of year |
| July | 33.5 °C | 22.5 °C | 0 day | Pleasant — a good time to go |
| August | 33.9 °C | 23 °C | 0 day | Pleasant — a good time to go |
| September | 29.5 °C | 22.2 °C | 3 days | Ideal — one of the best times of year |
| October | 25.4 °C | 20.7 °C | 8 days | Ideal — one of the best times of year |
| November | 20 °C | 18.5 °C | 7 days | Pleasant — a good time to go |
| December | 17.4 °C | 16.8 °C | 5 days | Possible, with trade-offs |
Before you go
Three things to check once you have picked your dates.
Entry
Spain is in the European Union. Entry rules depend on your nationality — check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 12 August 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Huelva in September?
The sea averages 22.2°C in September — swimming is possible but brisk.
How hot is Huelva in September?
Expect 29.5°C in the afternoon and 18.4°C at night, averaged over the last 10 years.
Does it rain a lot in Huelva in September?
Around 3 days with rain (≥ 1 mm) in the month — 10% of days.