Norwalk Weather in September

September in Norwalk sees daytime temperatures around 25°C (77°F) and lows of 12°C (54°F) at night. With around 94 mm (3.7 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Norwalk in September

Analyzing past climate data, one can expect approximately 10 days of rain, averaging 94 mm (3.7 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Norwalk in September

Norwalk has excellent weather in September, with days reaching 25°C (77°F) and nights cooling to 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. 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.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Norwalk.

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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 Norwalk's climate page.

Norwalk Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 34%  

Precipitation 94 mm (3.7 in)  

Rainy days 10 days  

What to Wear in Norwalk in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Norwalk in September

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

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Norwalk's climate page.

More climate data for Norwalk

Temperature Rainfall

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