Last updated: June 24, 2025
In September, the average temperature in Wellington, United States is a pleasant 23°C (75°F), making it a delightful time to explore. However, be prepared for a temperature range that can dip to a minimum of 6°C (42°F) and soar up to a maximum of 37°C (98°F). During this month, expect 77 mm (3.1 in) of precipitation spread over about 7 days, contributing to an average humidity of 67%. So, pack accordingly to enjoy everything this beautiful destination has to offer!
In September in Wellington, the average temperature is 23°C (75°F), with maximums reaching 37°C (98°F) and minimums dropping as low as 6°C (42°F). Be prepared for a diverse range of temperatures when planning your travels!
In Wellington in September, the total precipitation amount is 77 mm (3.1 in) over the course of 7 days.
In Wellington in September humidity is 67%. With an average temperature of 23°C (75°F), this humidity feels like a warm, sultry embrace that can make outdoor activities feel a bit sticky, urging travelers to seek shade or a refreshing drink as they explore.
In Wellington in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wellington.
UV Risk Categories
Weather in Wellington varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Wellington, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (35°F) | 43 mm (1.7 inches) | 77% | moderate |
February Weather | 2°C (36°F) | 32 mm (1.3 inches) | 76% | high |
March Weather | 10°C (50°F) | 84 mm (3.3 inches) | 71% | high |
April Weather | 14°C (57°F) | 91 mm (3.6 inches) | 73% | very high |
May Weather | 20°C (68°F) | 170 mm (6.7 inches) | 83% | very high |
June Weather | 26°C (79°F) | 108 mm (4.3 inches) | 83% | extreme |
July Weather | 27°C (82°F) | 58 mm (2.3 inches) | 81% | extreme |
August Weather | 26°C (79°F) | 96 mm (3.8 inches) | 73% | very high |
September Weather | 23°C (75°F) | 77 mm (3.1 inches) | 67% | very high |
October Weather | 15°C (59°F) | 136 mm (5.4 inches) | 72% | high |
November Weather | 8°C (47°F) | 25 mm (1.0 inches) | 82% | moderate |
December Weather | 5°C (40°F) | 30 mm (1.2 inches) | 85% | moderate |