Oswego Weather in September

Thinking of visiting Oswego in September? Expect pleasant temperatures reaching 22°C (72°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Oswego in September

You can typically expect 12 days of rain this month, averaging around 93 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 Oswego in September

The excellent temperature in Oswego in September makes it a solid month to visit, with 22°C (72°F) during the day and 13°C (55°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 13°C (55°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.

Sunshine in Oswego in September

With approximately 191 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

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

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

Oswego Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 93 mm (3.7 in)  

Rainy days 12 days  

Humidity 73% *  

Sunshine 191 hours *  

Percentage Sunshine 50% *  

* Data from: Syracuse, the United States of America (53 KM, 33 Miles).

What to Wear in Oswego 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Oswego in September

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

Swimming

6/10

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 Oswego's climate page.

More climate data for Oswego

Temperature Rainfall Sunshine Humidity

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