easeweather.com
Kirkland
AbbotsfordAjaxAuroraBanffBarrieBoisbriandBouchervilleBramptonBrandonBrantfordBrossardBurlingtonBurnabyCalgaryCambridgeCharlottetownChathamChilliwackCoquitlamCornwallDartmouthDeltaDorvalEdmontonFort McMurrayFrederictonGatineauGranbyGrande PrairieGreater SudburyGuelphHalifaxHamiltonKamloopsKanataKelownaKingston
Kirkland
KitchenerLangleyLavalLethbridgeLindsayLondonMarkhamMiltonMissionMississaugaMonctonMont-RoyalMontréalMoose JawNanaimoNepeanNew GlasgowNewmarketNiagara FallsNorfolk CountyNorth BattlefordNorth BayOakvilleOkanaganOrilliaOshawaOttawaPentictonPeterboroughPickeringPointe-ClairePrince AlbertPrince EdwardPrince GeorgeQuébecRed DeerReginaRichmond HillSaguenaySaint JohnSarniaSaskatoonSault Ste. MarieSherbrookeSt. CatharinesSt. John'sSurreySydneyThunder BayTimminsTorontoVancouverVaughanVictoriaWasaga BeachWaterlooWellandWest VancouverWhistlerWindsorWinnipegWoodstockYellowknife More Locations
Canada weather

Weather in Kirkland for September 2025

Your guide to Kirkland weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Kirkland is slightly cooler than the historical average by -0.9 °C.

  • The forecast for the next days in Kirkland predicts temperatures to be around 24 °C, close to the historical average.

  • In general, the average temperature in Kirkland at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.3 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Kirkland experiences minimal rainfall in September.

    • More

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

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/9°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Kirkland Weather September

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

Temperatures trend during September in Kirkland

See the weather trend as well as the moving average line

September weather in Kirkland day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /10° 2.4 mm 5
2 Sept. Mist
Mist
 23° /12° 0 mm 5
3 Sept. Fog
Fog
 24° /13° 0 mm 6
4 Sept. Cloudy
Cloudy
 27° /14° 11.5 mm 6
5 Sept. Mist
Mist
 26° /14° 5 mm 6
6 Sept. Cloudy
Cloudy
 25° /16° 7.7 mm 5
7 Sept. Light rain shower
Light rain shower
 22° /12° 7.8 mm 5
8 Sept. Light rain shower
Light rain shower
 20° /11° 6.6 mm 5
9 Sept. Cloudy
Cloudy
 21° /8° 0 mm 5
10 Sept. Light rain shower
Light rain shower
 22° /10° 2.3 mm 5
11 Sept. Overcast
Overcast
 22° /12° 1.1 mm 5
12 Sept. Mist
Mist
 23° /11° 1.5 mm 5
13 Sept. Moderate rain
Moderate rain
 20° /12° 4.4 mm 5
14 Sept. Overcast
Overcast
 21° /12° 0.4 mm 5
15 Sept. Sunny
Sunny
 25° /13° 0 mm 1.2
16 Sept. Sunny
Sunny
 26° /11° 0 mm 1.2
17 Sept. Partly cloudy
Partly cloudy
 25° /12° 0 mm 1.2
18 Sept. Cloudy
Cloudy
 28° /16° 0 mm 1.2
19 Sept. Sunny
Sunny
 20° /8° 0 mm 0
20 Sept. Sunny
Sunny
 18° /6° 0 mm 4
21 Sept. Sunny
Sunny
 22° /8° 0 mm 5
22 Sept. Sunny
Sunny
 26° /14° 0 mm 5
23 Sept. Sunny
Sunny
 27° /15° 0 mm 6
24 Sept. Sunny
Sunny
 27° /15° 0 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 19° /15° 0.8 mm 4
26 Sept. Moderate rain
Moderate rain
 21° /15° 8 mm 4
27 Sept. Partly cloudy
Partly cloudy
 21° /15° 0 mm 5
28 Sept. Sunny
Sunny
 24° /15° 0 mm 5
29 Sept. Mist
Mist
 21° /9° 0 mm 5
30 Sept. Mist
Mist
 23° /11° 0 mm 5
Next
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.
Change Month
‹
›

Kirkland in September - FAQ

What are the expected maximum and minimum temperatures in Kirkland during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kirkland during September?
Significant rainfall exceeding 320.9 mm is expected in Kirkland during September, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kirkland during September?
The average wind speed in Kirkland during September is 14 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 ☀️

Quick links

More Kirkland weather pages
You are here
Location coordinates Where is Kirkland?

Get accurate weather forecasts for Kirkland, located at latitude 45.45 and longitude -73.866. Stay updated with localized weather information tailored for Kirkland.

Found a mistake?
We appreciate your attention to details. Tell us here.