Last updated: August 27, 2025
In September, the average temperature in Great Gransden, United Kingdom is a pleasant 15°C (59°F). Visitors can expect a range from a cool 2°C (37°F) to a warm 29°C (85°F). During this month, precipitation averages around 50 mm (2.0 in), spread over approximately 10 days, contributing to an average humidity level of 85%. This combination makes for a uniquely refreshing climate!
In September in Great Gransden, the average temperature is 15°C (59°F). Maximum temperatures can reach up to 29°C (85°F), while the minimum can drop as low as 2°C (37°F). This variation in temperature makes it an ideal time for travelers to dress in layers and enjoy a wide range of outdoor activities.
In Great Gransden in September, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.
In Great Gransden in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.
In Great Gransden in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Great Gransden.
UV Risk Categories
Weather in Great Gransden varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Great Gransden, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 50 mm (2.0 inches) | 90% | low |
| February Weather | 6°C (43°F) | 47 mm (1.8 inches) | 88% | low |
| March Weather | 7°C (45°F) | 54 mm (2.1 inches) | 86% | moderate |
| April Weather | 9°C (49°F) | 35 mm (1.4 inches) | 84% | moderate |
| May Weather | 13°C (55°F) | 65 mm (2.6 inches) | 80% | high |
| June Weather | 16°C (62°F) | 72 mm (2.8 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 66 mm (2.6 inches) | 76% | very high |
| August Weather | 18°C (64°F) | 68 mm (2.7 inches) | 77% | high |
| September Weather | 15°C (59°F) | 50 mm (2.0 inches) | 85% | moderate |
| October Weather | 12°C (53°F) | 81 mm (3.2 inches) | 90% | moderate |
| November Weather | 8°C (46°F) | 50 mm (2.0 inches) | 92% | low |
| December Weather | 6°C (43°F) | 78 mm (3.1 inches) | 90% | low |