Monroe
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Monroe Weather in September

Monroe in September sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 78 mm (3.1 in) on average, so pack waterproofs just in case.

Rainfall in Monroe in September

You can expect rain on roughly 12 days based on historical data, averaging 78 mm (3.1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Monroe in September

The temperature in Monroe in September is excellent. Daytime highs reach 21°C (70°F), with nights dropping to 10°C (50°F). Summer occurs in September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°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 Monroe in September

With approximately 220 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Monroe.

Monroe Temperature in September

Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
40%
Precipitation
78 mm (3.1 in)
Rainy days
12 days
Humidity
73% *
Sunshine
220 hours *
Percentage Sunshine
59% *
* Data from: Seattle, the United States of America (51 KM, 31 Miles).

Monroe Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Monroe - 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 Monroe in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Monroe in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Barbeque
    8/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Monroe 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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