Last updated: June 24, 2025
In September, the average temperature in New Port Richey, United States reaches a warm 27°C (81°F), with a pleasant range that dips to a minimum of 22°C (73°F) and peaks at 32°C (89°F). Visitors should be prepared for some rain, as the region receives about 138 mm (5.4 in) of precipitation over 18 days. The air is quite humid, with an average humidity of 83%, creating a tropical feel that's perfect for exploring.
In September in New Port Richey, the average temperature is 27°C (81°F), with a maximum that can reach 32°C (89°F) and a minimum as low as 22°C (73°F). This warm and pleasant weather makes it an ideal time for outdoor activities and exploration.
In New Port Richey in September, the precipitation amount is 138 mm (5.4 in), occurring over the course of 18 days.
In New Port Richey in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.
In New Port Richey in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in New Port Richey.
UV Risk Categories
Weather in New Port Richey varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in New Port Richey, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (61°F) | 48 mm (1.9 inches) | 83% | high |
| February Weather | 18°C (65°F) | 60 mm (2.4 inches) | 82% | very high |
| March Weather | 20°C (67°F) | 21 mm (0.8 inches) | 78% | very high |
| April Weather | 22°C (72°F) | 69 mm (2.7 inches) | 77% | extreme |
| May Weather | 25°C (77°F) | 108 mm (4.2 inches) | 75% | extreme |
| June Weather | 27°C (81°F) | 151 mm (5.9 inches) | 76% | extreme |
| July Weather | 28°C (82°F) | 216 mm (8.5 inches) | 79% | extreme |
| August Weather | 28°C (83°F) | 235 mm (9.3 inches) | 78% | extreme |
| September Weather | 27°C (81°F) | 138 mm (5.4 inches) | 83% | extreme |
| October Weather | 25°C (78°F) | 73 mm (2.9 inches) | 81% | very high |
| November Weather | 20°C (69°F) | 45 mm (1.8 inches) | 83% | high |
| December Weather | 18°C (64°F) | 83 mm (3.3 inches) | 86% | moderate |