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Galesburg Weather in September
September in Galesburg averages 25°C (77°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 96 mm (3.8 in) on average. An umbrella is a good idea.
Rainfall in Galesburg in September
Rain is expected on roughly 8 days, totalling around 96 mm (3.8 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 Galesburg in September
September tends to be one of the excellent months in Galesburg, with 25°C (77°F) in the afternoon and 12°C (54°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Galesburg in September
The city usually sees around 222 hours of sunlight, indicating many sunny days , a great month for sightseeing.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Galesburg Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
27%
Precipitation
96 mm (3.8 in)
Rainy days
8 days
Humidity
72% *
Sunshine
222 hours *
Percentage Sunshine
58% *
* Data from: Davenport, the United States of America (66 KM, 41 Miles).
Galesburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Galesburg - 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 Galesburg 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Galesburg in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Galesburg 3-Day Forecast
More climate data for Galesburg
Temperature Rainfall Sunshine Humidity
See the full Galesburg 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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