Monthly climate averages for New Hope, United States. Based on 10-year ERA5 reanalysis data.
Dfa Hot-Summer Continental
Climate OverviewNew Hope, United States in September has warm conditions, with highs averaging 23.3°C (74°F).
This month falls at the beginning of Autumn.
Daily highs in September gradually drop from around 25°C (76°F) at the start to 20°C (69°F) by month's end.
September sees fairly even rainfall, totalling about 98 mm across the month.
Expect around 10.2h of sunshine at the start of September, decreasing to 8.6h by the end.
The warmest days tend to fall around the 15th, averaging 25.5°C (78°F).
Compared to August, this month is about 3°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into October.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 23°C (74°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
2 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -4°C / -12°C | -9°C / -17°C | 5days (24 mm) Good | 5.4h Fair | 75% Muggy | 2 Low | Poor | View Details |
| February | -2°C / -11°C | -7°C / -16°C | 5days (26 mm) Good | 7.5h Good | 72% Muggy | 3.1 Moderate | Poor | View Details |
| March | 6°C / -3°C | 2°C / -8°C | 8days (59 mm) Wet | 8.1h Good | 67% Muggy | 4.2 Moderate | Poor | View Details |
| April | 12°C / 2°C | 9°C / -2°C | 11days (96 mm) Wet | 8.4h Good | 65% Muggy | 4.9 Moderate | Poor | View Details |
| May best | 21°C / 10°C | 19°C / 8°C | 11days (112 mm) Wet | 10.3h Excellent | 64% Muggy | 6.4 High | Good | View Details |
| June best | 27°C / 17°C | 27°C / 17°C | 12days (99 mm) Wet | 12.2h Excellent | 64% Muggy | 6.6 High | Excellent | View Details |
| July best | 28°C / 19°C | 30°C / 20°C | 10days (92 mm) Wet | 12.5h Excellent | 68% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 18°C | 28°C / 18°C | 12days (134 mm) Wet | 10.8h Excellent | 71% Muggy | 6.2 High | Excellent | View Details |
| September best | 23°C / 15°C | 23°C / 14°C | 9days (98 mm) Wet | 9.3h Good | 70% Muggy | 5.1 High | Excellent | View Details |
| October | 15°C / 7°C | 12°C / 4°C | 9days (75 mm) Wet | 7.2h Good | 67% Muggy | 3.5 Moderate | Fair | View Details |
| November | 6°C / -1°C | 2°C / -5°C | 6days (41 mm) Good | 5.7h Fair | 70% Muggy | 2.2 Moderate | Poor | View Details |
| December | -1°C / -8°C | -6°C / -13°C | 7days (46 mm) Good | 4.8h Fair | 76% Humid | 1.7 Low | Poor | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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