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.