Last updated: March 17, 2025
In September, East Grinstead, United Kingdom, experiences a delightful mix of late summer warmth and early autumn coolness. With maximum temperatures reaching 27°C (81°F) and an average of 15°C (59°F), the weather invites residents and visitors alike to enjoy the outdoors. However, early risers might notice a crisp minimum temperature of 2°C (37°F), reminding us of the changing seasons. Though the month sees 53 mm (2.1 in) of rainfall over 10 days, the humidity hovers around a notable 80%, contributing to the lush greenery that characterizes this charming town. Embrace the fluctuating climate and discover the beauty of East Grinstead in September!
In September, East Grinstead begins to transition from the warmth of summer to the cooler embrace of autumn. With temperatures ranging from a minimum of 2°C (37°F) to a comfortable maximum of 27°C (81°F), this month offers a delightful balance of mild days and cool nights. The average temperature settles around 15°C (59°F), making it an ideal time for outdoor activities as nature bursts with the changing colors of fall. Compared to August's warmer range, September invites residents and visitors alike to enjoy the crisp air and vibrant scenery, while still savoring the lingering warmth of late summer sun.
In September, East Grinstead experiences a transition into the autumn season, marked by a moderate precipitation level of 53 mm (2.1 in) over approximately 10 days of rain. This amount reflects a slight decrease compared to the wetter summer months of July and August, both averaging around 70 mm. However, September's rainfall sets the stage for the upcoming wetter months, as October typically brings a significant increase in precipitation, averaging 92 mm. This trend suggests that while September may offer some respite from the summer showers, the shift toward more substantial rainfall is just around the corner, hinting at the changing rhythms of the year's weather patterns.
As September arrives in East Grinstead, the humidity levels experience a subtle uptick, resting at 80%. This slight increase follows the summer months, where humidity levels dipped to 73% in August, offering a brief reprieve from the often-soggy British climate. While September's humidity is lower than the winter months, which see levels soar to 92% in December and November, it signifies a transition towards the wetter, cooler autumn. Overall, this month’s humidity suggests a balance between the lingering warmth of summer and the impending chill of fall, creating a refreshing atmosphere for those enjoying the outdoors.
As September rolls into East Grinstead, the UV Index stands at 6, placing it in the high exposure category, with a burn time of just 25 minutes. This marks a slight decline from the summer months, where the index peaked at 8 during June and July, indicating very high exposure and necessitating cautious sun protection strategies. Overall, the month serves as a reminder that while autumn is approaching, UV levels can still pose a risk. With the index gradually decreasing into October, it's essential to stay informed and protective as the sun's rays remain potent. For more detailed information, check out East Grinstead UV Index.
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As September arrives in East Grinstead, the lingering warmth of summer continues to grace the skies, boasting an impressive 310 hours of sunshine. This bright offering reflects a vibrant transition from the sun-soaked months of July and August, which bathed the region in 409 and 377 hours of radiant light, respectively. A slight dip is notable as autumn approaches, but compared to the dreariness of November's 146 hours, September still shines prominently. Following the brilliant brightness of May and June, which recorded 402 and 397 hours, the sunny days of September create a serene atmosphere, perfect for enjoying the fading summer warmth while gently ushering in the crispness of fall.
In September, East Grinstead experiences a 34% chance of sunny weather, marking a continuation of the summer's gradual decline in sunlight. This figure is an improvement from the cooler months, yet it reflects a dip from the peak seen in April at 55%. As autumn approaches, the likelihood of sunny days typically wanes, but compared to the earlier summer months, September retains a fair share of brightness. With the chance of sunshine trending slightly above the national average for this time of year, residents and visitors can still expect enjoyable days, albeit with a hint of the crispness that autumn brings.
As summer transitions into autumn, September in East Grinstead, United Kingdom, offers a gentle tapering of daylight, providing approximately 12 hours of sunshine—a slight decrease from the vibrant 14 hours experienced in August. This change heralds the start of shorter days, with daylight gradually diminishing as the year unfolds. After basking in the 16 hours of long summer nights in June, residents can sense the shift as daylight hours dip towards the 10 hours expected in October. This seasonal rhythm not only marks a transition in light but also invites a change in outdoor activities, encouraging a cozy embrace of autumn’s arrival with its rich colors and crisp air.
As summer transitions to autumn in East Grinstead, the September winds bring a gentle breeze, averaging 3.6 m/s (8 mph)—a subtle decline from the previous month’s 4.2 m/s (9 mph). This marks the continuation of a trend where wind speeds tend to drop as the year progresses from the bustling winds of winter. The pattern of lower wind speeds in late summer and early autumn contrasts sharply with the invigorating gusts felt earlier in the spring, peaking at 5.3 m/s (12 mph) in February. As September unfolds, residents can expect a calm atmosphere perfect for cozy walks amidst the changing foliage, reminding us that nature is quietly preparing for the crispness of fall.
The weather in East Grinstead changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in East Grinstead and find detailed weather information for every month.
When comparing the weather between September and January, notable differences emerge. September enjoys a milder climate with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 27°C (81°F), averaging around 15°C (59°F). This month also sees a moderate level of precipitation at 53 mm (2.1 in) over about 10 days, coupled with a humidity of 80%. In contrast, January experiences colder conditions, with temperatures dipping as low as -5°C (24°F) and peaking at 13°C (56°F), averaging just 5°C (41°F). Precipitation slightly increases to 57 mm (2.2 in) over the same number of days, and humidity levels rise to 91%. For a detailed look at January weather in East Grinstead, you can visit East Grinstead weather in January.
September and February present distinct contrasts in weather. September typically experiences milder temperatures, ranging from a minimum of 2°C (37°F) to a pleasant average of 15°C (59°F) and a maximum of 27°C (81°F). This month also sees about 53 mm (2.1 in) of precipitation over approximately 10 days, with humidity at a moderate 80%. In contrast, February is notably colder, with temperatures dipping as low as -6°C (22°F), an average of 6°C (43°F), and a maximum reaching 17°C (62°F). Precipitation slightly increases to 60 mm (2.3 in) over around 12 days, accompanied by a higher humidity level of 89%. For more detailed insights, check East Grinstead weather in February.
September and March exhibit notable differences in weather patterns. September enjoys a milder climate, with average temperatures ranging from a cool 15°C (59°F) to a warm 27°C (81°F), making it ideal for outdoor activities. In contrast, March tends to be much chillier, featuring an average temperature of 8°C (46°F) with nighttime lows dipping to -6°C (22°F). Both months see similar levels of precipitation; September records 53 mm (2.1 in) over about 10 days, while March has slightly higher precipitation at 57 mm (2.2 in) over 14 days. Humidity levels are also elevated in both months, with March being slightly higher at 86% compared to September's 80%. For more detailed insights, you can check out East Grinstead weather in March.
When comparing the weather in September and April, notable differences emerge in both temperature and precipitation. September boasts a more temperate climate, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 27°C (81°F), making it generally warmer than April. In contrast, April experiences cooler conditions with temperatures ranging from -2°C (29°F) to a maximum of 23°C (74°F). Precipitation levels also vary, with September receiving 53 mm (2.1 in) over about 10 days, while April sees less rain, totaling 35 mm (1.4 in) across approximately 8 days. Humidity levels in both months are relatively high, with September at 80% and April slightly higher at 85%. For more details on April's climate, you can check East Grinstead weather in April.
When comparing the weather in September and May, we see some notable differences. September typically boasts a wider range of temperatures, with a minimum of 2°C and a maximum of 27°C, leading to an average of 15°C. In contrast, May has slightly cooler temperatures, ranging from a minimum of 1°C to a maximum of 25°C, averaging around 13°C. Additionally, September experiences less precipitation (53 mm) compared to May's 65 mm over similar periods, though both months see a comparable number of rainy days—10 in September and 12 in May. Humidity levels remain relatively similar, with September at 80% and May slightly higher at 82%. For those interested in more detailed information, visit East Grinstead weather in May.
When comparing the weather in September and June, we can see some notable differences. September tends to be cooler, with minimum temperatures starting at 2°C (37°F), while June begins at a warmer 7°C (46°F). The average temperatures are similar, with September averaging 15°C (59°F) and June slightly higher at 16°C (61°F). However, June boasts a higher maximum temperature of 30°C (87°F) compared to September’s 27°C (81°F). In terms of precipitation, June records a total of 71 mm (2.8 in) over 8 days, which is more than September’s 53 mm (2.1 in) across 10 days. Interestingly, both months experience similar humidity levels, averaging around 80-81%. For more specifics on June weather patterns, you can check East Grinstead weather in June.
The weather in September presents a notable shift from July, with considerably cooler temperatures. While July boasts a minimum of 9°C (48°F) and averages around 18°C (65°F), September’s temperatures range from a low of 2°C (37°F) to an average of 15°C (59°F), peaking at 27°C (81°F). Both months experience similar levels of precipitation, with September totaling 53 mm (2.1 in) over 10 days and July slightly higher at 58 mm (2.3 in) over 11 days. Interestingly, September's humidity sits at 80%, slightly above July's average of 76%, making the air feel a bit more humid as summer transitions into autumn. For more detailed insights, you can also check East Grinstead weather in July.
In comparing the weather of September and August, September experiences cooler temperatures, with a minimum of 2°C (37°F) and an average of 15°C (59°F), while August boasts a minimum of 8°C (47°F) and an average of 17°C (64°F). Additionally, August sees higher maximum temperatures, reaching up to 32°C (90°F), compared to September's maximum of 27°C (81°F). Precipitation levels are slightly higher in August, accumulating 70 mm (2.7 in) over 11 days, while September records 53 mm (2.1 in) across 10 days. Humidity is also higher in September at 80%, compared to August's 73%. For more specific details, you can visit East Grinstead weather in August.
In September, the weather typically showcases a mild transition into autumn, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 27°C (81°F) and an average of 15°C (59°F). This month sees around 53 mm (2.1 in) of rain over approximately 10 days, accompanied by a humidity level of 80%. In contrast, October brings a cooler climate with temperatures dropping to an average of 12°C (54°F), peaking at 21°C (71°F) and a minimum still at 2°C (35°F). The precipitation increases significantly to 92 mm (3.6 in) over about 14 days, along with a rise in humidity to 89%. For a more detailed view of what to expect, check out East Grinstead weather in October.
September and November present stark contrasts in weather conditions. In September, temperatures range from a mild 2°C (37°F) at night to a pleasant average of 15°C (59°F) during the day, peaking at a warm 27°C (81°F). On the other hand, November sees cooler temperatures, with lows dipping to -2°C (28°F) and an average of only 8°C (47°F), reaching a maximum of 16°C (61°F). Additionally, September experiences 53 mm (2.1 in) of rainfall over about 10 days, while November is wetter, with 67 mm (2.7 in) of precipitation across 12 days. The humidity also rises significantly in November to 92%, compared to September's 80%. For a more detailed look at November's weather patterns, you can visit East Grinstead weather in November.
In September, temperatures are more moderate, with averages around 15°C (59°F) and a maximum of 27°C (81°F), creating a pleasant late-summer atmosphere. The month experiences about 53 mm (2.1 in) of rainfall over approximately 10 days, accompanied by a humidity level of 80%. In contrast, December brings significantly cooler weather, with temperatures averaging 7°C (44°F) and a maximum of 14°C (58°F), where the minimum can drop to -3°C (26°F). Precipitation increases to 102 mm (4.0 in) over about 14 days, coupled with higher humidity at 92%. For more details on the expected conditions during this winter month, visit East Grinstead weather in December.
As summer gives way to autumn, September in East Grinstead showcases a delightful transition in weather. With comfortable temperatures averaging around a mild 15°C, it stands out from the hotter months, allowing for enjoyable outdoor activities amidst the changing foliage. However, the month also brings increased humidity and a notable number of rainy days, making it distinctively wetter compared to the peak summer months. This blend of pleasant warmth and occasional downpours sets September apart, encouraging a unique rhythm to both nature and daily life. For further insights on the region's climate, check out the detailed information at East Grinstead Climate.