Surprise Weather in September
Surprise in September sees extremely high daytime temperatures of 37°C (99°F) and nighttime lows of 23°C (73°F). Low rainfall is typical, with around 18 mm (0.7 in) for the month.
Rainfall in Surprise in September
On average, there are about 3 days with rain during this month, averaging 18 mm (0.7 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Surprise in September
In September, expect extremely high temperatures in Surprise, with highs of 37°C (99°F) and lows of 23°C (73°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Surprise in September
Expect a lot of sunshine this month, with about 328 hours of sun. These sunny conditions add to the overall experience.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Surprise. Our weather planner can help you explore destinations with more pleasant weather conditions.
Surprise Temperature in September
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Surprise Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Surprise - 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 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 Surprise in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Surprise in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Camping10/10
Surprise 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Surprise 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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