Beau Fixe
San Felipe

🇲🇽 Mexico · Mexico & Central America

San Felipe weather in September

Ideal — one of the best times of year

Afternoon
34.6 °C
Night
27.1 °C
Sea temperature
31 °C
Rainy days
1 day
Relative humidity
40 %

100% of days reached 25 °C over the last 10 years

📷 Andrea Hinojosa · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January19.4 °C16.2 °C3 daysPleasant — a good time to go
February21 °C16.6 °C2 daysPleasant — a good time to go
March23.4 °C18.8 °C2 daysPleasant — a good time to go
April27.4 °C21.8 °C1 dayIdeal — one of the best times of year
May29.6 °C24.3 °C0 dayIdeal — one of the best times of year
June35 °C27.4 °C0 dayIdeal — one of the best times of year
July37.6 °C30.6 °C0 dayPossible, with trade-offs
August37.6 °C31.9 °C0 dayPossible, with trade-offs
September34.6 °C31 °C1 dayIdeal — one of the best times of year
October30.3 °C27.8 °C0 dayIdeal — one of the best times of year
November24.1 °C22.3 °C1 dayIdeal — one of the best times of year
December19.8 °C18.1 °C2 daysPleasant — a good time to go
Best months :JulyAugustJune

Before you go

Three things to check once you have picked your dates.

Entry

Entry rules depend on your nationality and change often. Check them before booking.

Official entry requirements ↗

Safety

Some areas advised against

The country is open, but parts should be avoided.

Official advice updated 4 September 2026

UK Foreign Office

Health

Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.

Health advice ↗

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 San Felipe in September?

The sea averages 31°C in September — yes, pleasant swimming.

How hot is San Felipe in September?

Expect 34.6°C in the afternoon and 27.1°C at night, averaged over the last 10 years.

Does it rain a lot in San Felipe in September?

Around 1 days with rain (≥ 1 mm) in the month — 5% of days.

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