Monterey
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Monterey Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 12°C (54°F), September in Monterey brings pleasant temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Monterey in September

Past climate data indicates that roughly a single day will see rain, totalling around 2.3 mm (0.1 in) for the month. Any rain that does arrive is likely to be light drizzle rather than a proper shower.

Temperature in Monterey in September

Monterey has excellent weather in September, with days reaching 18°C (64°F) and nights cooling to 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. On average, it has the peak temperatures of the year.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Monterey.

Monterey Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
18°C (64°F)
Chance of Rain
3%
Precipitation
2.3 mm (0.1 in)
Rainy days
a single day

Monterey Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Monterey - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Monterey in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection.

What To Do in Monterey in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Monterey 3-Day Forecast

More climate data for Monterey

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.