Kirkland
September
Weather in Kirkland for September 2025
Your guide to Kirkland weather in September - trends and predictions
In general, the average temperature in Kirkland at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.
Kirkland sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
23°/11°
Temperatures
13 km/h
Avg max wind
75 %
Avg humidity
Kirkland in September average weather
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Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 24° | 2 22° | 3 24° | 4 27° | 5 27° | 6 27° | 7 23° |
8 19° | 9 20° | 10 20° | 11 22° | 12 24° | 13 22° | 14 21° |
15 24° | 16 24° | 17 25° | 18 23° | 19 23° | 20 22° | 21 21° |
22 22° | 23 20° | 24 21° | 25 17° | 26 19° | 27 21° | 28 21° |
29 21° | 30 23° |
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Temperatures trend during September in Kirkland
See the weather trend as well as the moving average line
September weather day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Mist | 24° /10° | 3.6 mm | 5 | |
2 Sept. | Mist | 22° /10° | 0 mm | 5 | |
3 Sept. | Fog | 24° /11° | 0 mm | 6 | |
4 Sept. | Cloudy | 27° /14° | 0 mm | 7 | |
5 Sept. | Mist | 27° /16° | 0 mm | 7 | |
6 Sept. | Cloudy | 27° /17° | 0.1 mm | 6 | |
7 Sept. | Patchy light rain with thunder | 23° /13° | 9.4 mm | 5 | |
8 Sept. | Light rain shower | 19° /12° | 9.8 mm | 5 | |
9 Sept. | Cloudy | 20° /8° | 0 mm | 5 | |
10 Sept. | Light rain shower | 20° /11° | 3.5 mm | 5 | |
11 Sept. | Overcast | 22° /11° | 1.6 mm | 6 | |
12 Sept. | Mist | 24° /13° | 2.3 mm | 6 | |
13 Sept. | Moderate rain | 22° /13° | 6.6 mm | 5 | |
14 Sept. | Overcast | 21° /12° | 0 mm | 6 | |
15 Sept. | Mist | 24° /11° | 0 mm | 6 | |
16 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
17 Sept. | Partly cloudy | 25° /12° | 0 mm | 6 | |
18 Sept. | Light rain shower | 23° /13° | 0.9 mm | 6 | |
19 Sept. | Moderate rain | 23° /14° | 5.6 mm | 5 | |
20 Sept. | Cloudy | 22° /11° | 0 mm | 5 | |
21 Sept. | Partly cloudy | 21° /9° | 0 mm | 6 | |
22 Sept. | Mist | 22° /9° | 0 mm | 5 | |
23 Sept. | Overcast | 20° /11° | 0 mm | 5 | |
24 Sept. | Partly cloudy | 21° /12° | 0 mm | 6 | |
25 Sept. | Sunny | 17° /10° | 16.5 mm | 5 | |
26 Sept. | Sunny | 19° /9° | 62.1 mm | 5 | |
27 Sept. | Cloudy | 21° /8° | 0 mm | 5 | |
28 Sept. | Cloudy | 21° /11° | 0 mm | 5 | |
29 Sept. | Mist | 21° /9° | 0 mm | 5 | |
30 Sept. | Mist | 23° /11° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Kirkland 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 Kirkland forecast closer to your planned date for the most up-to-date weather information.
Kirkland in September - FAQ
What are the expected maximum and minimum temperatures in Kirkland during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kirkland during September?
Moderate rainfall is anticipated in Kirkland during September, with a total of 61.9 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kirkland during September?
The average wind speed in Kirkland during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kirkland
Explore the daily rainfall trends and prepare for Kirklands September weather 💧
UV exposure in Kirkland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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