Beau Fixe
Pittsburg

🇺🇸 United States · North America

Pittsburg weather in September

Ideal — one of the best times of year

Afternoon
29.4 °C
Night
15.6 °C
Sea temperature
15.1 °C
Rainy days
1 day
Relative humidity
61 %

82% of days reached 25 °C over the last 10 years

📷 Jay Brand · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January13.8 °C12.1 °C10 daysPossible, with trade-offs
February16 °C12.2 °C7 daysPossible, with trade-offs
March17.6 °C12.2 °C9 daysPossible, with trade-offs
April21.2 °C11.9 °C5 daysPleasant — a good time to go
May24.3 °C12.1 °C3 daysIdeal — one of the best times of year
June28.8 °C13.1 °C0 dayIdeal — one of the best times of year
July30.5 °C14.1 °C0 dayIdeal — one of the best times of year
August30.4 °C15.1 °C0 dayIdeal — one of the best times of year
September29.4 °C15.1 °C1 dayIdeal — one of the best times of year
October25.5 °C14.4 °C3 daysIdeal — one of the best times of year
November17.8 °C13.2 °C6 daysPossible, with trade-offs
December13.4 °C12.2 °C10 daysPossible, with trade-offs
Best months :AugustJulySeptember

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

No specific restrictions

Usual precautions apply.

Official advice updated 18 August 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 Pittsburg in September?

The sea averages 15.1°C in September — too cold for most swimmers.

How hot is Pittsburg in September?

Expect 29.4°C in the afternoon and 15.6°C at night, averaged over the last 10 years.

Does it rain a lot in Pittsburg in September?

Around 1 days with rain (≥ 1 mm) in the month — 3% of days.

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