Gilroy
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Gilroy Weather in September

Gilroy in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 12°C (54°F). With just 1.9 mm (0.1 in) of rainfall expected, it's a dry month overall.

Rainfall in Gilroy in September

Historically, the month has about a single day of rain, averaging 1.9 mm (0.1 in) in total. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Gilroy in September

Weather in Gilroy is at its excellent in September. Highs reach 29°C (84°F), while nights settle around 12°C (54°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

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

Gilroy Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
29°C (84°F)
Chance of Rain
3%
Precipitation
1.9 mm (0.1 in)
Rainy days
a single day

Gilroy Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Gilroy - 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 Gilroy in September

Warm but pleasant conditions in Gilroy in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection.

What To Do in Gilroy in September

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

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Gilroy 3-Day Forecast

More climate data for Gilroy

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.