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Places with the best weather in North America in September: ranked by comfort score

Spokane tops the list at 95 /100 in September. Ranked from 1991–2020 climate normals across 50 destinations in North America.

Top three in September: Spokane (95 /100) , Salinas (94 /100) , San Francisco (94 /100) . Between first and 50th place the comfort differs by 6.9 /100.

# Destination Country Comfort Avg high Avg low Rainfall Wet days Sunshine Sea temp
1 Spokane United States 95 /100 25 °C 11 °C 19 mm 4 333 h –
2 Salinas United States 94 /100 24 °C 13 °C 2 mm 1 351 h 15 °C
3 San Francisco United States 94 /100 23 °C 13 °C 2 mm 0 353 h 14 °C
4 Oxnard United States 93 /100 24 °C 17 °C 3 mm 1 353 h 19 °C
5 Salem United States 93 /100 26 °C 12 °C 33 mm 5 324 h –
6 Fort Collins United States 93 /100 25 °C 9.8 °C 39 mm 6 329 h –
7 Salt Lake City United States 93 /100 26 °C 12 °C 35 mm 5 349 h –
8 Eugene United States 93 /100 25 °C 11 °C 40 mm 5 327 h –
9 Lakewood United States 93 /100 25 °C 9.6 °C 36 mm 5 332 h –
10 Denver United States 92 /100 25 °C 9.9 °C 35 mm 5 332 h –
11 Portland United States 92 /100 25 °C 12 °C 44 mm 6 318 h –
12 Vancouver United States 92 /100 25 °C 12 °C 60 mm 7 314 h –
13 Tacoma United States 92 /100 22 °C 12 °C 50 mm 7 306 h –
14 Colorado Springs United States 92 /100 25 °C 9.5 °C 34 mm 6 333 h –
15 Tijuana Mexico 91 /100 24 °C 18 °C 4 mm 1 348 h 21 °C
16 Springfield United States 91 /100 23 °C 14 °C 98 mm 8 269 h –
17 Worcester United States 91 /100 22 °C 14 °C 95 mm 8 268 h –
18 Indianapolis United States 91 /100 25 °C 16 °C 74 mm 7 296 h –
19 Fort Wayne United States 91 /100 24 °C 14 °C 67 mm 8 291 h –
20 Aurora United States 91 /100 24 °C 14 °C 77 mm 8 285 h –
21 Grand Rapids United States 91 /100 22 °C 14 °C 77 mm 9 291 h –
22 Aurora United States 91 /100 26 °C 11 °C 28 mm 4 331 h –
23 Columbus United States 91 /100 25 °C 15 °C 74 mm 8 293 h –
24 Cincinnati United States 90 /100 25 °C 15 °C 68 mm 7 294 h –
25 San Diego United States 90 /100 25 °C 18 °C 4 mm 1 348 h 21 °C
26 Providence United States 90 /100 23 °C 15 °C 92 mm 8 269 h –
27 Minneapolis United States 90 /100 22 °C 14 °C 82 mm 9 287 h –
28 Boston United States 90 /100 23 °C 15 °C 90 mm 8 272 h 17 °C
29 Seattle United States 90 /100 21 °C 12 °C 64 mm 8 305 h –
30 Madison United States 90 /100 22 °C 14 °C 84 mm 9 286 h –
31 Toledo United States 90 /100 24 °C 15 °C 64 mm 8 291 h –
32 Oceanside United States 90 /100 25 °C 18 °C 4 mm 1 351 h 21 °C
33 Detroit United States 90 /100 23 °C 15 °C 70 mm 8 298 h –
34 Toronto Canada 90 /100 21 °C 14 °C 69 mm 9 292 h –
35 Sioux Falls United States 90 /100 23 °C 13 °C 77 mm 8 301 h –
36 Etobicoke Canada 90 /100 22 °C 14 °C 69 mm 9 292 h –
37 Akron United States 90 /100 23 °C 14 °C 84 mm 9 287 h –
38 Reno United States 89 /100 27 °C 14 °C 10 mm 2 354 h –
39 Oakland United States 89 /100 26 °C 14 °C 2 mm 1 353 h –
40 Hamilton Canada 89 /100 22 °C 15 °C 75 mm 9 292 h –
41 Brampton Canada 89 /100 21 °C 13 °C 71 mm 9 290 h –
42 London Canada 89 /100 22 °C 13 °C 85 mm 9 298 h –
43 Des Moines United States 89 /100 24 °C 15 °C 88 mm 8 300 h –
44 Vaughan Canada 89 /100 21 °C 13 °C 69 mm 9 292 h –
45 New York City United States 89 /100 24 °C 16 °C 98 mm 9 274 h 21 °C
46 Oshawa Canada 89 /100 21 °C 15 °C 80 mm 9 293 h –
47 Chicago United States 89 /100 23 °C 16 °C 79 mm 9 296 h –
48 Sunnyvale United States 89 /100 27 °C 15 °C 2 mm 1 354 h 15 °C
49 Newark United States 89 /100 24 °C 16 °C 106 mm 9 272 h 21 °C
50 Huntington Beach United States 88 /100 26 °C 18 °C 4 mm 1 350 h 21 °C

Monthly values for the month named in the ranking; only destinations with a published climate page are ranked. Download this ranking as CSV.

The same ranking one month earlier and later

August: top 5

  1. Victoria 95 /100
  2. Salinas 94 /100
  3. Seattle 94 /100
  4. Surrey 94 /100
  5. Vancouver 93 /100

Full ranking for August

October: top 5

  1. Sunnyvale 97 /100
  2. Oxnard 96 /100
  3. Ensenada 96 /100
  4. San Jose 96 /100
  5. Fremont 96 /100

Full ranking for October

How this ranking is built

What is ranked
Our 0–100 comfort score for sightseeing weather (formula on the methodology page), in September, highest first.
Period
1991–2020 climate normals: the same 30 years for every destination, so the list compares like with like.
Who is included
50 destinations in North America with a published climate page. Neighbouring places that share a climate series are shown once.
Ties
Equal values are ordered by fewest wet days.
Sources
ERA5 / ERA5-Land reanalysis via Open-Meteo; sea temperature from NOAA OISST v2.1. Measured values are reproduced unchanged; only the ordering and the score is ours.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.