Temperature
Warm by day, mild at night.
84°Ftypical September high
Typical range
September climate
September in Sand Valley
United States · North America
Warm days and plenty of sun.
Good overall
Mid to late
Daytime high
84°F
Lows around 65°F
Rain
Several rainy days
Sun
10 h/day
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days this month.
33%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
9.9 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
49%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 83° and nights feel near 68°.
FreezingVery coldColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
53%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
5 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 82°F, easing to about 77°F in early evening.
Avg temp Typical range
Morning73°F
Rain14%
Cloud48%
Humid airModerate
Sun intensityModerate
Best windowMidday82°F
Rain18%
Cloud53%
Humid airModerate
Sun intensityStrong
Late afternoon82°F
Rain18%
Cloud53%
Humid airModerate
Sun intensityModerate
Early evening77°F
Feels 79°F
Rain11%
Cloud48%
Humid airModerate
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 53 | 36 | 4.7 | 10 | 6.6 | 69 |
| Feb | 62 | 41 | 5.6 | 11 | 6.7 | 68 |
| Mar | 69 | 47 | 7.8 | 11 | 8.3 | 65 |
| Apr | 74 | 53 | 4.8 | 10 | 9.8 | 67 |
| May | 80 | 63 | 5.2 | 12 | 10.9 | 70 |
| Jun | 87 | 70 | 4.4 | 14 | 11.5 | 73 |
| Jul | 89 | 73 | 4.9 | 16 | 11.8 | 75 |
| Aug | 88 | 71 | 4.1 | 13 | 11.1 | 74 |
| Sep | 84 | 65 | 3.3 | 10 | 9.9 | 72 |
| Oct | 76 | 55 | 2.4 | 6 | 8.8 | 71 |
| Nov | 65 | 46 | 3.0 | 7 | 7.4 | 70 |
| Dec | 58 | 42 | 4.2 | 10 | 6.1 | 73 |
Similar climates
Similar
Similar climateWashington DCUnited StatesSimilar climateRomeItalySimilar climateTaorminaItalySimilar climateTokyoJapan
Want a side-by-side climate view? Compare Sand Valley with Washington DC.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology