Grimsby
September
Weather in Grimsby for September 2027
Your guide to Grimsby weather in September - trends and predictions
In general, the average temperature in Grimsby at the beginning of September is 20.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of September.
Grimsby experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 47.4 mm.
Is September a good time to visit Grimsby? check out the best time to travel to Grimsby page.
✨ Is September a good time to visit Grimsby? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
19°/12°
Temperatures
25 km/h
Avg max wind
73 %
Avg humidity
Grimsby Weather September
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Temperatures trend during September in Grimsby
See the weather trend as well as the moving average line
September weather in Grimsby day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 20° /13° | 1.4 mm | 4 | |
| 2 Sept. | Patchy rain possible | 21° /14° | 2 mm | 4 | |
| 3 Sept. |  Light rain | 22° /14° | 3.6 mm | 4 | |
| 4 Sept. | Patchy rain possible | 20° /13° | 1.9 mm | 4 | |
| 5 Sept. | Patchy rain possible | 20° /13° | 0.1 mm | 4.9 | |
| 6 Sept. |  Overcast | 23° /14° | 0.2 mm | 4.8 | |
| 7 Sept. |  Partly cloudy | 22° /15° | 0.1 mm | 4 | |
| 8 Sept. | Partly cloudy | 22° /14° | 0.9 mm | 4.6 | |
| 9 Sept. |  Sunny | 20° /13° | 0.2 mm | 4.5 | |
| 10 Sept. | Patchy rain possible | 21° /12° | 2.1 mm | 4 | |
| 11 Sept. | Light rain shower | 19° /11° | 1 mm | 4 | |
| 12 Sept. | Patchy rain possible | 17° /9° | 2.2 mm | 3 | |
| 13 Sept. | Overcast | 17° /11° | 0.4 mm | 3 | |
| 14 Sept. | Light rain | 19° /11° | 3.5 mm | 4 | |
| 15 Sept. | Patchy rain possible | 20° /12° | 0.7 mm | 4 | |
| 16 Sept. |  Cloudy | 17° /12° | 0.3 mm | 3.9 | |
| 17 Sept. | Light drizzle | 18° /12° | 2.3 mm | 3.8 | |
| 18 Sept. | Light rain shower | 19° /12° | 1.8 mm | 3.7 | |
| 19 Sept. | Partly cloudy | 20° /14° | 0.7 mm | 3.7 | |
| 20 Sept. | Light rain | 19° /12° | 1.6 mm | 3.6 | |
| 21 Sept. | Patchy rain possible | 17° /10° | 0.2 mm | 3.5 | |
| 22 Sept. | Patchy rain possible | 18° /11° | 0.4 mm | 3 | |
| 23 Sept. | Light rain | 16° /10° | 7.9 mm | 3 | |
| 24 Sept. | Patchy rain possible | 17° /10° | 0.5 mm | 3 | |
| 25 Sept. | Patchy rain possible | 17° /11° | 1.5 mm | 3 | |
| 26 Sept. | Patchy rain possible | 18° /11° | 2.4 mm | 3.1 | |
| 27 Sept. | Patchy rain possible | 17° /9° | 1.1 mm | 3 | |
| 28 Sept. | Overcast | 16° /9° | 0.9 mm | 3 | |
| 29 Sept. | Partly cloudy | 17° /10° | 0.5 mm | 2.9 | |
| 30 Sept. | Light rain | 17° /11° | 4.8 mm | 2.8 | |
| Next | |||||
Important Notice
Our weather forecast for Grimsby in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grimsby forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grimsby in September - FAQ
What are the expected maximum and minimum temperatures in Grimsby during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grimsby during September?
In September, Grimsby can expect light to moderate rainfall, totaling 47.4 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Grimsby during September?
The average wind speed in Grimsby during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Grimsby
Explore the daily rainfall trends and prepare for Grimsbys September weather 💧
Typically, Grimsby has 10 rainy days in September with a total of 47.4 mm of rainfall.
UV exposure in Grimsby during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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