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Weather in Mission for September 2025

Your guide to Mission weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Mission at the beginning of September is 24.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.

    • Rain 🌧️

  • Mission experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 85.5 mm.

    • More

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Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/10°
Temperatures
Average wind speed
7 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Mission in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
29°
2
Overcast
25°
3
Light drizzle
21°
4
Fog
22°
5
Cloudy
24°
6
Partly cloudy
24°
7
Cloudy
25°
8
Mist
24°
9
Overcast
23°
10
Overcast
22°
11
Light drizzle
18°
12
Light rain
19°
13
Fog
18°
14
Mist
20°
15
Partly cloudy
22°
16
Overcast
22°
17
Overcast
18°
18
Patchy rain possible
17°
19
Overcast
14°
20
Fog
17°
21
Sunny
21°
22
Sunny
19°
23
Light rain
19°
24
Patchy rain possible
21°
25
Moderate or heavy rain with thunder
17°
26
Light rain shower
14°
27
Light rain
14°
28
Moderate or heavy rain with thunder
14°
29
Mist
14°
30
Mist
16°
Select a date

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Access Mission weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during September in Mission

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 29° /12° 0 mm 7
2 Sept. Overcast
Overcast
 25° /13° 0 mm 6
3 Sept. Light drizzle
Light drizzle
 21° /12° 0.5 mm 5
4 Sept. Fog
Fog
 22° /11° 0.1 mm 5
5 Sept. Cloudy
Cloudy
 24° /12° 0 mm 6
6 Sept. Partly cloudy
Partly cloudy
 24° /11° 0 mm 7
7 Sept. Cloudy
Cloudy
 25° /11° 0 mm 6
8 Sept. Mist
Mist
 24° /11° 0 mm 6
9 Sept. Overcast
Overcast
 23° /10° 0 mm 5
10 Sept. Overcast
Overcast
 22° /11° 0 mm 5
11 Sept. Light drizzle
Light drizzle
 18° /9° 0.2 mm 5
12 Sept. Light rain
Light rain
 19° /9° 0.7 mm 5
13 Sept. Fog
Fog
 18° /10° 1.1 mm 4
14 Sept. Mist
Mist
 20° /8° 4.1 mm 5
15 Sept. Partly cloudy
Partly cloudy
 22° /9° 0 mm 6
16 Sept. Overcast
Overcast
 22° /8° 0 mm 5
17 Sept. Overcast
Overcast
 18° /9° 0 mm 5
18 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 0.4 mm 4
19 Sept. Overcast
Overcast
 14° /9° 0.8 mm 4
20 Sept. Fog
Fog
 17° /8° 0.3 mm 4
21 Sept. Sunny
Sunny
 21° /6° 0 mm 5
22 Sept. Sunny
Sunny
 19° /9° 9.2 mm 5
23 Sept. Light rain
Light rain
 19° /11° 5.5 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 21° /10° 3.7 mm 5
25 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 17° /10° 32 mm 4
26 Sept. Light rain shower
Light rain shower
 14° /8° 15 mm 4
27 Sept. Light rain
Light rain
 14° /9° 6.8 mm 4
28 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 14° /7° 5.1 mm 4
29 Sept. Mist
Mist
 14° /5° 0 mm 4
30 Sept. Mist
Mist
 16° /2° 0 mm 4
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Important Notice
Our weather forecast for Mission in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mission forecast closer to your planned date for the most up-to-date weather information.

Mission in September - FAQ

What are the expected maximum and minimum temperatures in Mission during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mission during September?
Moderate rainfall is anticipated in Mission during September, with a total of 85.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Mission during September?
The average wind speed in Mission during September is 7 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mission

Explore the daily rainfall trends and prepare for Missions September weather 💧

UV exposure in Mission during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Mission?

Get accurate weather forecasts for Mission, located at latitude 49.133 and longitude -122.303. Stay updated with localized weather information tailored for Mission.

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