Bonito in September

In September, Bonito averages 31°C (88°F) during the day and 20°C (68°F) at night, with around 11 days of rain (73 mm total).

Shoulder

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

September in Bonito is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

31°C
Avg high
20°C
Avg low
11
Rain days
73 mm
Rainfall

How September compares to the rest of the year in Bonito

4th
warmest month of the 12
9th
wettest month of the 12
6%
of yearly rainfall falls in September
11 h 58 min
daylight on the 15th

September is in the middle of the year for warmth in Bonito (4th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 2°C above the annual average (29°C). September runs 3°C warmer than August (28°C) and stays flat into October.

September sunrise & sunset in Bonito

🌅
Sunrise (15th)
5:42 AM
🌇
Sunset (15th)
5:40 PM
Day length
11 h 58 min

Times shown for Bonito local time (America/Campo_Grande), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Bonito — September

Golden-hour and blue-hour windows for the 15th of September, in Bonito's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:42 AM – 5:22 AM
🌄 Golden hour (AM)
5:22 AM – 6:22 AM
🌇 Golden hour (PM)
5:00 PM – 6:00 PM
🌆 Blue hour (PM)
6:00 PM – 6:40 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Bonito.

📅 When to book — Bonito in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Bonito's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Bonito

Shoulder

Bonito is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — September in Bonito

☀️ UV Index (noon, 15th)
11.6
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Bonito in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 31°C / 88°F 23°C / 73°F 181 mm 27
February 30°C / 87°F 23°C / 73°F 161 mm 24
March 30°C / 86°F 22°C / 71°F 121 mm 23
April 29°C / 84°F 20°C / 68°F 94 mm 16
May 26°C / 78°F 17°C / 63°F 95 mm 16
June 25°C / 77°F 16°C / 60°F 51 mm 9
July 26°C / 79°F 16°C / 60°F 34 mm 6
August 28°C / 83°F 17°C / 63°F 64 mm 8
September 31°C / 88°F 20°C / 68°F 73 mm 11
October 31°C / 88°F 21°C / 70°F 112 mm 18
November 31°C / 88°F 22°C / 71°F 158 mm 20
December 31°C / 88°F 23°C / 73°F 175 mm 23

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Bonito in September →

Frequently asked questions

How hot is Bonito in September?

In September, Bonito averages a high of 31°C (88°F) and a low of 20°C (68°F) — generally hot.

Does it rain a lot in Bonito in September?

September can be fairly wet in Bonito, with about 11 rainy days on average.

Is September a good time to visit Bonito?

September is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Bonito in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Bonito for a complete, climate-based checklist.

Open Bonito on the interactive map

Check the live 10-day forecast and sunrise/sunset.