Climate averages 1991–2020
Hastings, United Kingdom weather
in September.
A mild, moderately wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Hastings, United Kingdom: daytime highs average 18.1°C and nights cool to about 12.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 66 mm of rain on roughly 10 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average September day.
The nearest other city in this atlas is Eastbourne (23 km away). In September its highs average 17.6°C, 0.5°C cooler than Hastings, United Kingdom, with 66 mm of rain.
Among the 143 cities listed in the United Kingdom, Hastings, United Kingdom ranks joint 30th of 143 for the warmest September highs and joint 107th of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 17.3°C; Hastings, United Kingdom is 0.8°C warmer than that mean.
From September to October, average highs fall by 3.4°C to 14.7°C, and monthly rainfall rises from 66 mm to 112 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hastings, United Kingdom climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.7°C4.0°C | 4.0°C | 93 | 14.4 | 8.58 h |
| February | 7.7°C3.6°C | 3.6°C | 64 | 11.3 | 10.010 h |
| March | 9.7°C4.8°C | 4.8°C | 48 | 9.4 | 11.812 h |
| April | 12.1°C6.4°C | 6.4°C | 45 | 9.0 | 13.814 h |
| May | 15.1°C9.3°C | 9.3°C | 47 | 8.6 | 15.515 h |
| June | 17.7°C12.0°C | 12.0°C | 44 | 8.3 | 16.416 h |
| July | 19.9°C14.3°C | 14.3°C | 46 | 8.6 | 16.016 h |
| August | 20.2°C14.7°C | 14.7°C | 59 | 9.6 | 14.615 h |
| September, selected | 18.1°C12.9°C | 12.9°C | 66 | 10.3 | 12.713 h |
| October | 14.7°C10.4°C | 10.4°C | 112 | 14.4 | 10.811 h |
| November | 10.9°C7.0°C | 7.0°C | 120 | 15.7 | 9.09 h |
| December | 8.4°C4.7°C | 4.7°C | 107 | 14.3 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Eastbourne in SeptemberUnited Kingdom · 23 kmHigh 17.6°C · Low 13.8°C · 66 mm rain
- Maidstone in SeptemberUnited Kingdom · 46 kmHigh 18.6°C · Low 11.9°C · 50 mm rain
- Brighton in SeptemberUnited Kingdom · 51 kmHigh 17.8°C · Low 12.7°C · 67 mm rain
- Hove in SeptemberUnited Kingdom · 53 kmHigh 17.8°C · Low 12.7°C · 67 mm rain
- Gillingham in SeptemberUnited Kingdom · 59 kmHigh 18.3°C · Low 11.9°C · 45 mm rain
- Crawley in SeptemberUnited Kingdom · 61 kmHigh 18.1°C · Low 11.2°C · 50 mm rain
- Worthing in SeptemberUnited Kingdom · 67 kmHigh 17.9°C · Low 12.8°C · 66 mm rain
- Grays in SeptemberUnited Kingdom · 71 kmHigh 18.5°C · Low 11.8°C · 45 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hastings) is explained once on the Hastings, United Kingdom year overview and on the Sources, method and limits page.