easeweather.com
Williams Lake
AbbotsfordAjaxAuroraBanffBarrieBoisbriandBouchervilleBramptonBrandonBrantfordBrossardBurlingtonBurnabyCalgaryCambridgeCharlottetownChathamChilliwackCoquitlamCornwallDartmouthDeltaDorvalEdmontonFort McMurrayFrederictonGatineauGranbyGrande PrairieGreater SudburyGuelphHalifaxHamiltonKamloopsKanataKelownaKingstonKitchenerLangleyLavalLethbridgeLindsayLondonMarkhamMiltonMissionMississaugaMonctonMont-RoyalMontréalMoose JawNanaimoNepeanNew GlasgowNewmarketNiagara FallsNorfolk CountyNorth BattlefordNorth BayOakvilleOkanaganOrilliaOshawaOttawaPentictonPeterboroughPickeringPointe-ClairePrince AlbertPrince EdwardPrince GeorgeQuébecRed DeerReginaRichmond HillSaguenaySaint JohnSarniaSaskatoonSault Ste. MarieSherbrookeSt. CatharinesSt. John'sSurreySydneyThunder BayTimminsTorontoVancouverVaughanVictoriaWasaga BeachWaterlooWellandWest VancouverWhistler
Williams Lake
WindsorWinnipegWoodstockYellowknife More Locations
Canada weather

Weather in Williams Lake for September 2026

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

    Temperatures

  • Until now, September 2026 in Williams Lake is cooler than usual, with temperatures averaging 19.1 °C, this is 3.6 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Williams Lake with the forecast suggesting a temperature of 20 °C, lower than the historical average.

  • In general, the average temperature in Williams Lake at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.3 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Williams Lake 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
20°/12°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Williams Lake Weather September

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

Temperatures trend during September in Williams Lake

See the weather trend as well as the moving average line

September weather in Williams Lake day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 27° /13° 0.1 mm 4
2 Sept. Sunny
Sunny
 27° /14° 0 mm 4
3 Sept. Sunny
Sunny
 23° /13° 6.8 mm 3
4 Sept. Sunny
Sunny
 21° /13° 0.8 mm 3
5 Sept. Sunny
Sunny
 20° /11° 2.7 mm 3
6 Sept. Sunny
Sunny
 24° /11° 0.1 mm 4
7 Sept. Overcast
Overcast
 24° /11° 0 mm 5
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /11° 35 mm 4
9 Sept. Mist
Mist
 21° /11° 10.6 mm 2
10 Sept. Sunny
Sunny
 20° /9° 0.3 mm 4
11 Sept. Cloudy
Cloudy
 21° /8° 0.1 mm 4
12 Sept. Sunny
Sunny
 18° /2° 0 mm 4.5
13 Sept. Sunny
Sunny
 20° /3° 0 mm 4.6
14 Sept. Sunny
Sunny
 19° /5° 0.4 mm 3.5
15 Sept. Patchy rain possible
Patchy rain possible
 17° /7° 2 mm 3.8
16 Sept. Sunny
Sunny
 23° /5° 0 mm 4.5
17 Sept. Sunny
Sunny
 24° /8° 0 mm 6
18 Sept. Sunny
Sunny
 26° /9° 0 mm 7
19 Sept. Overcast
Overcast
 24° /10° 0 mm 6
20 Sept. Sunny
Sunny
 23° /12° 0 mm 6
21 Sept. Sunny
Sunny
 23° /9° 0 mm 6
22 Sept. Overcast
Overcast
 18° /9° 0 mm 4
23 Sept. Overcast
Overcast
 21° /7° 0.5 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 10° /3° 1.9 mm 3
25 Sept. Sunny
Sunny
 14° /1° 0 mm 4
26 Sept. Overcast
Overcast
 12° /7° 0 mm 1
27 Sept. Overcast
Overcast
 10° /7° 0 mm 0
28 Sept. Overcast
Overcast
 11° /6° 0 mm 0
29 Sept. Overcast
Overcast
 15° /11° 0 mm 1
30 Sept. Partly cloudy
Partly cloudy
 14° /7° 0 mm 2
Next
Important Notice
Our weather forecast for Williams 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 Williams Lake forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Williams Lake in September - FAQ

What are the expected maximum and minimum temperatures in Williams Lake during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Williams Lake during September?
Moderate rainfall is anticipated in Williams Lake during September, with a total of 90.5 mm spread over approximately 3 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Williams Lake during September?
The average wind speed in Williams Lake during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Williams Lake

Explore the daily rainfall trends and prepare for Williams Lakes September weather 💧
Typically, Williams Lake has 3 rainy days in September with a total of 90.5 mm of rainfall.

UV exposure in Williams Lake during September

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

Quick links

More Williams Lake weather pages
You are here
Location coordinates Where is Williams Lake?

Get accurate weather forecasts for Williams Lake, located at latitude 52.142 and longitude -122.145. Stay updated with localized weather information tailored for Williams Lake.

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