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Moses Lake (WA)
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Moses Lake (WA)
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Weather in Moses Lake, Washington for September 2025

Your guide to Moses Lake weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Red Flag Warning - See hour by hour.

    • Temperatures

  • So far, September 2025 in Moses Lake is slightly warmer than the historical average by 0.6 °F.

  • Expect cooler weather in the next days in Moses Lake with the forecast suggesting a temperature of 23.1 °F, lower than the historical average.

  • In general, the average temperature in Moses Lake at the beginning of September is 35.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.6 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Moses Lake during September is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
30
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
42 %
Avg humidity

Moses Lake Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
37°
2
Overcast
37°
3
Sunny
36°
4
Sunny
37°
5
Sunny
34°
6
Sunny
35°
7
Partly cloudy
34°
8
Partly cloudy
33°
9
Partly cloudy
29°
10
Overcast
29°
11
Patchy rain possible
25°
12
Cloudy
27°
13
Sunny
28°
14
Patchy rain possible
23°
15
Patchy rain possible
25°
16
Partly cloudy
29°
17
Cloudy
29°
18
Overcast
29°
19
Cloudy
30°
20
Partly cloudy
26°
21
Overcast
23°
22
Overcast
24°
23
Cloudy
28°
24
Sunny
31°
25
Weather Alert Sunny
31°
26
Sunny
24°
27
Partly cloudy
25°
28
Partly cloudy
27°
29
Patchy rain possible
19°
30
Patchy rain possible
22°

Temperatures trend during September in Moses Lake

See the weather trend as well as the moving average line

September weather in Moses Lake day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 37° /17° 0 mm 9
Sept. 2 Overcast
Overcast
 37° /19° 0.1 mm 8
Sept. 3 Sunny
Sunny
 36° /16° 0 mm 9
Sept. 4 Sunny
Sunny
 37° /16° 0 mm 9
Sept. 5 Sunny
Sunny
 34° /19° 0 mm 9
Sept. 6 Sunny
Sunny
 35° /17° 0 mm 8
Sept. 7 Partly cloudy
Partly cloudy
 34° /18° 0 mm 9
Sept. 8 Partly cloudy
Partly cloudy
 33° /17° 0 mm 8
Sept. 9 Partly cloudy
Partly cloudy
 29° /17° 0 mm 7
Sept. 10 Overcast
Overcast
 29° /15° 0 mm 7
Sept. 11 Patchy rain possible
Patchy rain possible
 25° /16° 0.1 mm 6
Sept. 12 Cloudy
Cloudy
 27° /13° 0 mm 7
Sept. 13 Sunny
Sunny
 28° /13° 0 mm 7
Sept. 14 Patchy rain possible
Patchy rain possible
 23° /13° 0.4 mm 6
Sept. 15 Patchy rain possible
Patchy rain possible
 25° /11° 0.2 mm 6
Sept. 16 Partly cloudy
Partly cloudy
 29° /14° 0 mm 8
Sept. 17 Cloudy
Cloudy
 29° /12° 0 mm 7
Sept. 18 Overcast
Overcast
 29° /11° 0 mm 7
Sept. 19 Cloudy
Cloudy
 30° /11° 0 mm 7
Sept. 20 Partly cloudy
Partly cloudy
 26° /11° 0 mm 7
Sept. 21 Overcast
Overcast
 23° /9° 3.8 mm 5
Sept. 22 Overcast
Overcast
 24° /8° 0 mm 6
Sept. 23 Cloudy
Cloudy
 28° /9° 0 mm 7
Sept. 24 Sunny
Sunny
 31° /11° 0 mm 8
Sept. 25 Sunny
Sunny
 31° /8° 0 mm 0.9
Sept. 26 Sunny
Sunny
 24° /3° 0 mm 0.9
Sept. 27 Partly cloudy
Partly cloudy
 25° /7° 0 mm 0.8
Sept. 28 Partly cloudy
Partly cloudy
 27° /13° 0 mm 1
Sept. 29 Patchy rain possible
Patchy rain possible
 19° /16° 0.7 mm 0
Sept. 30 Patchy rain possible
Patchy rain possible
 22° /12° 1.8 mm 4
Next
Important Notice
Our weather forecast for Moses Lake 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 Moses Lake forecast closer to your planned date for the most up-to-date weather information.
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Moses Lake in September - FAQ

What are the expected maximum and minimum temperatures in Moses Lake during September?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Moses Lake during September?
Rainfall in Moses Lake during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Moses Lake during September?
The average wind speed in Moses Lake during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Moses Lake

Explore the daily rainfall trends and prepare for Moses Lakes September weather 💧

UV exposure in Moses Lake during September

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

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Location coordinates Where is Moses Lake?

Get accurate weather forecasts for Moses Lake, located at latitude 47.13 and longitude -119.278. Stay updated with localized weather information tailored for Moses Lake.

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