Bahía Blanca Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F), September in Bahía Blanca brings moderate temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Bahía Blanca in September

Historically, the month has about 6 days of rain, averaging 49 mm (1.9 in) in total. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Bahía Blanca in September

September in Bahía Blanca brings moderate temperatures, with highs of 18°C (64°F) and nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Bahía Blanca in September

The area enjoys a moderate level of sunlight, with around 159 hours. It's a good balance between sunny and cloudy days.

Average water temperature in September

At 12°C (54°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If you prefer enjoying temperate temperatures and rain-free days, February, March, April, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.