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Mission Weather in September

Mission in September averages 35°C (95°F) during the day and 23°C (73°F) at night. This is the wettest month of the year.

Rainfall in Mission in September

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. The climate data from previous years indicates about 12 days of rain, averaging 123 mm (4.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Mission in September

Expect highs of 35°C (95°F) in Mission in September, with nights dropping to around 23°C (73°F). For most visitors, the main thing to prepare for is the heat during the day. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Mission. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

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

Mission Temperature in September

Min TemperatureMin Temperature 23°C (73°F)  
Max TemperatureMax Temperature 35°C (95°F)  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 123 mm (4.8 in)  
Rainy daysRainy days 12 days  

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 →

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Legend 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 Mission 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Mission in September

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

Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Mission