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 perfect 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.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Gilroy's climate page.

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  

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Gilroy's climate page.

More climate data for Gilroy

Temperature Rainfall

See the full Gilroy climate overview or explore weather in the United States of America.