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Hourly Forecast
Daylight Hours
06:30
Sunrise
18:46
Sunset
Moon
Waxing Crescent
11:27
Moonrise
20:11
Moonset
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Weather in Rochester today, September 15, 2026
Conditions in Rochester on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.
The day peaks near 22°C and cools toward 7°C. The air stays humid, with relative humidity between 37% and 82% and the peak around 23:00. A lighter breeze peaks around 18:00 near 3.2 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 19:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. Expect sunrise at 06:30, sunset at 18:46, and 12 hours 16 minutes of sunlight today overall.
In short, September 15, 2026 looks like a fine day in Rochester for being outside, peaking around 22°C.
Frequently asked questions about weather in Rochester
How warm does it get in Rochester?
The warmest month in Rochester is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Rochester?
The coldest month in Rochester is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Rochester?
The wettest month in Rochester is December, with an average of 128mm of precipitation.
What is the driest time of year in Rochester?
The driest month in Rochester is September, with an average of 74mm of precipitation.
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