Lewiston Weather in September

With daytime temperatures of 28°C (82°F) and nighttime lows of 11°C (52°F), September in Lewiston brings high temperatures during the day. The perfect weather makes it an appealing time to visit.

Rainfall in Lewiston in September

Rain is expected on roughly 5 days, totalling around 14 mm (0.6 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Lewiston in September

Lewiston in September is worth a visit. The temperature is perfect, with 28°C (82°F) during the day and 11°C (52°F) at night. This month falls in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 Lewiston's climate page.

Lewiston Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 17%  

Precipitation 14 mm (0.6 in)  

Rainy days 5 days  

What to Wear in Lewiston in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear.

What To Do in Lewiston 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 Lewiston's climate page.

More climate data for Lewiston

Temperature Rainfall

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