Big Delta Weather in September

September in Big Delta brings moderate temperatures, with highs of 13°C (55°F) and nights dropping to 3°C (37°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.

Rainfall in Big Delta in September

You can typically expect 9 days of rain this month, averaging around 61 mm (2.4 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Big Delta in September

Daytime temperatures in Big Delta reach 13°C (55°F) in September, dropping to 3°C (37°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Wind Speed in Big Delta in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

If you prefer dry days with pleasant temperatures, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Big Delta's climate page.

Big Delta Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 29%  

Precipitation 61 mm (2.4 in)  

Rainy days 9 days  

Humidity 72%  

Windspeed 3 m/s (6 knots)  

What to Wear in Big Delta in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Big Delta in September

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

Cycling

6/10

Walking

6/10

Barbeque

4/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Big Delta's climate page.

More climate data for Big Delta

Temperature Rainfall Humidity Wind Speed

See the full Big Delta climate overview or explore weather in the United States of America.