Delta
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Delta Weather in September

With daytime temperatures of 28°C (82°F) and nighttime lows of 9°C (48°F), September in Delta brings high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Delta in September

This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Historically, the month has about 7 days of rain, averaging 29 mm (1.1 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Delta in September

Delta in September has excellent weather. Days reach 28°C (82°F) and nights cool to 9°C (48°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Delta in September

With approximately 293 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 Delta.

Delta Temperature in September

Min Temperature
9°C (48°F)
Max Temperature
28°C (82°F)
Chance of Rain
23%
Precipitation
29 mm (1.1 in)
Rainy days
7 days
Humidity
39% *
Sunshine
293 hours *
Percentage Sunshine
*
* Data from: Grand Junction, the United States of America (57 KM, 35 Miles).

Delta Weather by Month

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

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Delta in September

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

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    5/10
  • Outdoor sports
    8/10

Delta 3-Day Forecast

Popular in September

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.