Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Grafton Weather in September
With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), September in Grafton brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 89 mm (3.5 in) falls on average.
Rainfall in Grafton in September
Typically, about 11 days will experience rainfall, with an average of 89 mm (3.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Grafton in September
September in Grafton is generally excellent, with days reaching 23°C (73°F) and nights settling around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Grafton in September
The city usually sees around 220 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Grafton.
Grafton Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
37%
Precipitation
89 mm (3.5 in)
Rainy days
11 days
Sunshine
220 hours *
Percentage Sunshine
*
* Data from: Port Washington, the United States of America (9 KM, 6 Miles).
Grafton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grafton - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grafton 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 Grafton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Grafton 3-Day Forecast
More climate data for Grafton
See the full Grafton climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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Yosemite National Park is definitely worth a visit
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