The sunniest places in the USA in September
The sunniest place in the USA in September is Fresno — Sunshine Score 100/100, around 32°C days and 2 mm of rain across the month, ahead of Sacramento (99) and Bishop (99). 586 destinations compared from long-term climate normals.
Chasing pure heat instead? Yuma is the USA's warmest in September at 38°C / 100°F average daytime highs.
The USA by month: January · February · March · April · May · June · July · August · September · October · November · December · overview
| # | Destination | Score | Day high | Rain | Sea |
|---|---|---|---|---|---|
| 1 | Fresno | 100 | 32° / 90°F | 2 mm | — |
| 2 | Sacramento | 99 | 32° / 90°F | 3 mm | — |
| 3 | Bishop | 99 | 28° / 82°F | 5 mm | — |
| 4 | Merced | 99 | 32° / 90°F | 3 mm | — |
| 5 | Stockton | 99 | 31° / 88°F | 3 mm | — |
| 6 | Reno | 98 | 25° / 77°F | 8 mm | — |
| 7 | Palm Springs | 98 | 29° / 84°F | 6 mm | — |
| 8 | Los Angeles | 98 | 29° / 84°F | 3 mm | 21° |
| 9 | St George | 97 | 32° / 90°F | 18 mm | — |
| 10 | Truckee | 97 | 22° / 72°F | 8 mm | — |
| 11 | Ontario | 97 | 32° / 90°F | 5 mm | — |
| 12 | Mammoth Lakes | 97 | 20° / 68°F | 7 mm | — |
| 13 | Hawthorne | 97 | 29° / 84°F | 3 mm | 22° |
| 14 | Santa Rosa | 96 | 24° / 75°F | 5 mm | 16° |
| 15 | San Carlos | 96 | 20° / 68°F | 4 mm | 17° |
| 16 | San Francisco | 96 | 20° / 68°F | 4 mm | 17° |
| 17 | San Diego | 96 | 22° / 72°F | 5 mm | 22° |
| 18 | Monterey | 96 | 20° / 68°F | 5 mm | 15° |
| 19 | Santa Barbara | 96 | 23° / 73°F | 3 mm | 21° |
| 20 | San Luis Obispo | 96 | 23° / 73°F | 6 mm | 16° |
| 21 | Santa Maria | 96 | 23° / 73°F | 6 mm | 16° |
| 22 | Page | 95 | 29° / 84°F | 22 mm | — |
| 23 | Prescott | 94 | 27° / 81°F | 31 mm | — |
| 24 | Show Low | 94 | 25° / 77°F | 32 mm | — |
| 25 | Grand Canyon - Tusayan | 94 | 23° / 73°F | 29 mm | — |
| 26 | Pueblo | 94 | 26° / 79°F | 29 mm | — |
| 27 | Cedar City | 94 | 24° / 75°F | 25 mm | — |
| 28 | Boise | 94 | 25° / 77°F | 14 mm | — |
| 29 | Las Cruces | 93 | 28° / 82°F | 36 mm | — |
| 30 | Silver City | 93 | 27° / 81°F | 39 mm | — |
| 31 | Flagstaff | 93 | 23° / 73°F | 37 mm | — |
| 32 | Albuquerque | 93 | 28° / 82°F | 34 mm | — |
| 33 | Gallup | 93 | 23° / 73°F | 34 mm | — |
| 34 | Moab | 93 | 26° / 79°F | 28 mm | — |
| 35 | Elko | 93 | 24° / 75°F | 22 mm | — |
| 36 | Twin Falls | 93 | 25° / 77°F | 19 mm | — |
| 37 | El Paso | 92 | 30° / 86°F | 41 mm | — |
| 38 | Colorado Springs | 92 | 25° / 77°F | 35 mm | — |
| 39 | Alamosa | 92 | 21° / 70°F | 37 mm | — |
| 40 | Rock Springs | 92 | 22° / 72°F | 25 mm | — |
Top 40 of 586 shown — every destination is on the the USA country page.
Worldwide instead? See where it's sunny in September. For the hottest rather than the sunniest, the the USA heat guide covers every month.